QOPHII QORMAATA KUTAA 12FFAA (BARNOOTA)
23.04.202511:38
Basic Integration Formula
∫1 dx = x + C
∫ a dx = ax+ C
∫ (1/x) dx = ln |x| + C
∫ ex dx = ex+ C
∫ sin x dx = – cos x + C
∫ cos x dx = sin x + C
∫ sec2x dx = tan x + C
∫ csc2x dx = -cot x + C
∫ sec x (tan x) dx = sec x + C
∫ csc x ( cot x) dx = – csc x + C
∫cosec2x.dx = -cotx + C
∫secx.tanx.dx = secx + C
∫cosecx.cotx.dx = -cosecx + C
∫tanx.dx =log|secx| + C
∫cotx.dx = log|sinx| + C
∫secx.dx = log|secx + tanx| + C
∫cosecx.dx = log|cosecx - cotx| + C
∫ ax dx = (ax/ln a) + C ; a>0, a≠1
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∫1 dx = x + C
∫ a dx = ax+ C
∫ (1/x) dx = ln |x| + C
∫ ex dx = ex+ C
∫ sin x dx = – cos x + C
∫ cos x dx = sin x + C
∫ sec2x dx = tan x + C
∫ csc2x dx = -cot x + C
∫ sec x (tan x) dx = sec x + C
∫ csc x ( cot x) dx = – csc x + C
∫cosec2x.dx = -cotx + C
∫secx.tanx.dx = secx + C
∫cosecx.cotx.dx = -cosecx + C
∫tanx.dx =log|secx| + C
∫cotx.dx = log|sinx| + C
∫secx.dx = log|secx + tanx| + C
∫cosecx.dx = log|cosecx - cotx| + C
∫ ax dx = (ax/ln a) + C ; a>0, a≠1
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19.04.202519:35
QUIZ ON THE ROLE OF ENZYME IN HUMAN DIGESTION
Mouth
1. Which enzyme begins the breakdown of carbohydrates in the mouth?
a) Pepsin
b) Amylase
c) Lipase
d) Trypsin
2. What is the optimal pH for salivary amylase to function?
a) Highly acidic (pH 1-2)
b) Slightly acidic (pH 5-6)
c) Neutral (pH 7)
d) Slightly alkaline (pH 7-8)
Stomach
3. Which enzyme, produced in the stomach, breaks down proteins?
a) Amylase
b) Lipase
c) Pepsin
d) Trypsin
4. What is the role of hydrochloric acid (HCl) in the stomach?
a) Neutralizes the pH of food
b) Activates pepsin
c) Breaks down fats
d) Absorbs nutrients
5. What is the optimal pH for pepsin to function?
a) Highly acidic (pH 1-2)
b) Slightly acidic (pH 5-6)
c) Neutral (pH 7)
d) Slightly alkaline (pH 7-8)
Small Intestine
6. Which enzyme, produced in the pancreas, breaks down carbohydrates?
a) Amylase
b) Lipase
c) Pepsin
d) Trypsin
7. Which enzyme, produced in the pancreas, breaks down fats?
a) Amylase
b) Lipase
c) Pepsin
d) Trypsin
8. Which enzyme, produced in the pancreas, breaks down proteins?
a) Amylase
b) Lipase
c) Pepsin
d) Trypsin
9. Where in the small intestine are most digestive enzymes produced?
a) Duodenum
b) Jejunum
c) Ileum
d) None of the above
10. What is the role of bile in fat digestion?
a) Breaks down fats into smaller droplets
b) Neutralizes the pH of food
c) Activates lipase
d) Absorbs fats
Large Intestine
11. Are there any significant digestive enzymes produced in the large intestine?
a) Yes, several enzymes are produced
b) No, the large intestine primarily absorbs water and electrolytes
12. What is the main function of the large intestine?
a) Breakdown of carbohydrates
b) Breakdown of fats
c) Breakdown of proteins
d) Absorption of water and electrolytes
Answers
1. b) Amylase - Salivary amylase begins the breakdown of carbohydrates in the mouth.
2. c) Neutral (pH 7) - Salivary amylase works best in a neutral pH environment.
3. c) Pepsin - Pepsin, produced in the stomach, breaks down proteins.
4. b) Activates pepsin - Hydrochloric acid (HCl) is crucial for activating pepsin, the main protein-digesting enzyme in the stomach.
5. a) Highly acidic (pH 1-2) - Pepsin functions optimally in the highly acidic environment of the stomach.
More questions @sagaleesabaa
6. a) Amylase - Pancreatic amylase continues the breakdown of carbohydrates that started in the mouth.
7. b) Lipase - Pancreatic lipase is the primary enzyme responsible for breaking down fats in the small intestine.
8. d) Trypsin - Pancreatic trypsin is a key protein-digesting enzyme that works in the small intestine.
9. a) Duodenum - The duodenum, the first part of the small intestine, is where most digestive enzymes from the pancreas are released.
10. a) Breaks down fats into smaller droplets - Bile, produced in the liver, emulsifies fats, breaking them into smaller droplets, increasing their surface area for lipase to work on.
11. b) No, the large intestine primarily absorbs water and electrolytes - The large intestine doesn't produce significant digestive enzymes.
12. d) Absorption of water and electrolytes - The main function of the large intestine is to absorb water and electrolytes, forming solid waste.
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Mouth
1. Which enzyme begins the breakdown of carbohydrates in the mouth?
a) Pepsin
b) Amylase
c) Lipase
d) Trypsin
2. What is the optimal pH for salivary amylase to function?
a) Highly acidic (pH 1-2)
b) Slightly acidic (pH 5-6)
c) Neutral (pH 7)
d) Slightly alkaline (pH 7-8)
Stomach
3. Which enzyme, produced in the stomach, breaks down proteins?
a) Amylase
b) Lipase
c) Pepsin
d) Trypsin
4. What is the role of hydrochloric acid (HCl) in the stomach?
a) Neutralizes the pH of food
b) Activates pepsin
c) Breaks down fats
d) Absorbs nutrients
5. What is the optimal pH for pepsin to function?
a) Highly acidic (pH 1-2)
b) Slightly acidic (pH 5-6)
c) Neutral (pH 7)
d) Slightly alkaline (pH 7-8)
Small Intestine
6. Which enzyme, produced in the pancreas, breaks down carbohydrates?
a) Amylase
b) Lipase
c) Pepsin
d) Trypsin
7. Which enzyme, produced in the pancreas, breaks down fats?
a) Amylase
b) Lipase
c) Pepsin
d) Trypsin
8. Which enzyme, produced in the pancreas, breaks down proteins?
a) Amylase
b) Lipase
c) Pepsin
d) Trypsin
9. Where in the small intestine are most digestive enzymes produced?
a) Duodenum
b) Jejunum
c) Ileum
d) None of the above
10. What is the role of bile in fat digestion?
a) Breaks down fats into smaller droplets
b) Neutralizes the pH of food
c) Activates lipase
d) Absorbs fats
Large Intestine
11. Are there any significant digestive enzymes produced in the large intestine?
a) Yes, several enzymes are produced
b) No, the large intestine primarily absorbs water and electrolytes
12. What is the main function of the large intestine?
a) Breakdown of carbohydrates
b) Breakdown of fats
c) Breakdown of proteins
d) Absorption of water and electrolytes
Answers
1. b) Amylase - Salivary amylase begins the breakdown of carbohydrates in the mouth.
2. c) Neutral (pH 7) - Salivary amylase works best in a neutral pH environment.
3. c) Pepsin - Pepsin, produced in the stomach, breaks down proteins.
4. b) Activates pepsin - Hydrochloric acid (HCl) is crucial for activating pepsin, the main protein-digesting enzyme in the stomach.
5. a) Highly acidic (pH 1-2) - Pepsin functions optimally in the highly acidic environment of the stomach.
More questions @sagaleesabaa
6. a) Amylase - Pancreatic amylase continues the breakdown of carbohydrates that started in the mouth.
7. b) Lipase - Pancreatic lipase is the primary enzyme responsible for breaking down fats in the small intestine.
8. d) Trypsin - Pancreatic trypsin is a key protein-digesting enzyme that works in the small intestine.
9. a) Duodenum - The duodenum, the first part of the small intestine, is where most digestive enzymes from the pancreas are released.
10. a) Breaks down fats into smaller droplets - Bile, produced in the liver, emulsifies fats, breaking them into smaller droplets, increasing their surface area for lipase to work on.
11. b) No, the large intestine primarily absorbs water and electrolytes - The large intestine doesn't produce significant digestive enzymes.
12. d) Absorption of water and electrolytes - The main function of the large intestine is to absorb water and electrolytes, forming solid waste.
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18.04.202516:37
📚 Multiple Choice Geography Questions
1. Which of the following is an example of an internal force?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
2. Which of the following is an example of an external force?
(a) Earthquakes
(b) Volcanic eruptions
(c) Glaciers
(d) Rivers
3. Which of the following is the primary force responsible for the formation of mountains?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
4. Which of the following is the primary force responsible for the formation of valleys?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
5. Which of the following is the primary force responsible for the formation of sand dunes?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
6. Which of the following is the primary force responsible for the formation of coral reefs?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
7. Which of the following is the primary force responsible for the formation of sinkholes?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
8. Which of the following is the primary force responsible for the formation of waterfalls?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
9. Which of the following is the primary force responsible for the formation of glaciers?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
10. Which of the following is the primary force responsible for the formation of volcanoes?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
11. Which of the following is the primary force responsible for the formation of earthquakes?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
12. Which of the following is the primary force responsible for the formation of canyons?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
13. Which of the following is the primary force responsible for the formation of deltas?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
14. Which of the following is the primary force responsible for the formation of fjords?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
15. Which of the following is the primary force responsible for the formation of atolls?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
16. Which of the following is the primary force responsible for the formation of sea caves?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
17. Which of the following is the primary force responsible for the formation of stalactites and stalagmites?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
18. Which of the following is the primary force responsible for the formation of sandbars?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
19. Which of the following is the primary force responsible for the formation of mesas and buttes?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
20. Which of the following is the primary force responsible for the formation of arches and natural bridges?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
Answers
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1. Which of the following is an example of an internal force?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
2. Which of the following is an example of an external force?
(a) Earthquakes
(b) Volcanic eruptions
(c) Glaciers
(d) Rivers
3. Which of the following is the primary force responsible for the formation of mountains?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
4. Which of the following is the primary force responsible for the formation of valleys?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
5. Which of the following is the primary force responsible for the formation of sand dunes?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
6. Which of the following is the primary force responsible for the formation of coral reefs?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
7. Which of the following is the primary force responsible for the formation of sinkholes?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
8. Which of the following is the primary force responsible for the formation of waterfalls?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
9. Which of the following is the primary force responsible for the formation of glaciers?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
10. Which of the following is the primary force responsible for the formation of volcanoes?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
11. Which of the following is the primary force responsible for the formation of earthquakes?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
12. Which of the following is the primary force responsible for the formation of canyons?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
13. Which of the following is the primary force responsible for the formation of deltas?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
14. Which of the following is the primary force responsible for the formation of fjords?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
15. Which of the following is the primary force responsible for the formation of atolls?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
16. Which of the following is the primary force responsible for the formation of sea caves?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
17. Which of the following is the primary force responsible for the formation of stalactites and stalagmites?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
18. Which of the following is the primary force responsible for the formation of sandbars?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
19. Which of the following is the primary force responsible for the formation of mesas and buttes?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
20. Which of the following is the primary force responsible for the formation of arches and natural bridges?
(a) Erosion
(b) Plate tectonics
(c) Weathering
(d) Mass wasting
Answers
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15.04.202517:22
Please barattoota keenya Chaanaaliin kun rakkoo keessa jira.
Share Woliif gochuun nu gargaaraa.
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15.04.202507:36
Barataan foormulaalee kanneen sirritti hubate qorumsa biyyoolessaarratti yoo xiqqaate gaafilee 50 ni hojjata. Ati hubattee??
Dura guututti Hin Hubanne Yoo Tahe;- Yeroo Gahaa Qabdaatii Ammumarraa eegali!!
Foormulaa Maths Barataan kutaa 12ffaa tokko Beekuu Qabu.....
👉Arithmetic
1. Basic Operations:
• Addition: a + b
• Subtraction: a - b
• Multiplication: a × b or ab
• Division: a/b
2. Percentage:
Percentage = Part / Whol} × 100
👉Algebra
1. Quadratic Formula:
x = -b ± √(b² - 4ac) / 2a
for ax² + bx + c = 0 .
2. Factoring Formulas:
• Difference of Squares: a² - b² = (a - b)(a + b)
• Perfect Square Trinomial: a² + 2ab + b² = (a + b)²
3. Exponents:
• aᵐ × aⁿ = aᵐ⁺ⁿ
• aᵐ/aⁿ = aᵐ⁻ⁿ
• (aᵐ)ⁿ = aᵐⁿ
4. Logarithms:
• Change of Base: logᵦ a = (logₖ a)/(logₖ b)
• logᵦ (xy) = logᵦ x + logᵦ y
• logᵦ ((x/y)) = logᵦ x - logᵦ y
👉Geometry
1. Area Formulas:
• Rectangle: A = l × w
• Triangle: A = ½ b h
• Circle: A = π r²
2. Perimeter Formulas:
• Rectangle: P = 2(l + w)
• Triangle: P = a + b + c
• Circle (Circumference): C = 2π r
3. Volume Formulas:
• Cube: V = s³
• Rectangular Prism: V = lwh
• Cylinder: V = π r² h
• Sphere: V = 4/3 π r³
4. Pythagorean Theorem:
a² + b² = c²
for a right triangle.
👉Trigonometry
1. Basic Trigonometric Ratios:
• Sine: sin(θ) = Opposite/Hypotenuse
• Cosine: cos(θ) = Adjacent/Hypotenuse
• Tangent: tan(θ) = Opposite/Adjacent
2. Pythagorean Identity:
sin²(θ) + cos²(θ) = 1
3. Angle Sum and Difference Formulas:
• Sine:
• sin(a + b) = sin a cos b + cos a sin b
• sin(a - b) = sin a cos b - cos a sin b
• Cosine:
• cos(a + b) = cos a cos b - sin a sin b
• cos(a - b) = cos a cos b + sin a sin b
👉Calculus
1. Derivatives:
• Power Rule: f'(x) = nxⁿ⁻¹
• Sum Rule: (f + g)' = f' + g'
• Product Rule: (fg)' = f'g + fg'
• Quotient Rule: ((f/g))' = (f'g - fg')/g²
2. Integrals:
• Indefinite Integral:
∫xⁿ dx = xⁿ⁺¹ / n+1 + C, n ≠ -1
• Definite Integral:
A = ∫ₐᵇ f(x) dx
More @SAGALEESABAA
👉Statistics
1. Mean (Average):
Mean = ∑ xᵢ / n
2. Median:
• Middle value when data is ordered.
3. Mode:
• Most frequently occurring value.
4. Standard Deviation:
For population:
σ = √((∑ (xᵢ - μ)²)N)/(``)
For sample:
Good luck with your preparation time!📚
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“Your hard work today shapes your success tomorrow.”
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Dura guututti Hin Hubanne Yoo Tahe;- Yeroo Gahaa Qabdaatii Ammumarraa eegali!!
Foormulaa Maths Barataan kutaa 12ffaa tokko Beekuu Qabu.....
👉Arithmetic
1. Basic Operations:
• Addition: a + b
• Subtraction: a - b
• Multiplication: a × b or ab
• Division: a/b
2. Percentage:
Percentage = Part / Whol} × 100
👉Algebra
1. Quadratic Formula:
x = -b ± √(b² - 4ac) / 2a
for ax² + bx + c = 0 .
2. Factoring Formulas:
• Difference of Squares: a² - b² = (a - b)(a + b)
• Perfect Square Trinomial: a² + 2ab + b² = (a + b)²
3. Exponents:
• aᵐ × aⁿ = aᵐ⁺ⁿ
• aᵐ/aⁿ = aᵐ⁻ⁿ
• (aᵐ)ⁿ = aᵐⁿ
4. Logarithms:
• Change of Base: logᵦ a = (logₖ a)/(logₖ b)
• logᵦ (xy) = logᵦ x + logᵦ y
• logᵦ ((x/y)) = logᵦ x - logᵦ y
👉Geometry
1. Area Formulas:
• Rectangle: A = l × w
• Triangle: A = ½ b h
• Circle: A = π r²
2. Perimeter Formulas:
• Rectangle: P = 2(l + w)
• Triangle: P = a + b + c
• Circle (Circumference): C = 2π r
3. Volume Formulas:
• Cube: V = s³
• Rectangular Prism: V = lwh
• Cylinder: V = π r² h
• Sphere: V = 4/3 π r³
4. Pythagorean Theorem:
a² + b² = c²
for a right triangle.
👉Trigonometry
1. Basic Trigonometric Ratios:
• Sine: sin(θ) = Opposite/Hypotenuse
• Cosine: cos(θ) = Adjacent/Hypotenuse
• Tangent: tan(θ) = Opposite/Adjacent
2. Pythagorean Identity:
sin²(θ) + cos²(θ) = 1
3. Angle Sum and Difference Formulas:
• Sine:
• sin(a + b) = sin a cos b + cos a sin b
• sin(a - b) = sin a cos b - cos a sin b
• Cosine:
• cos(a + b) = cos a cos b - sin a sin b
• cos(a - b) = cos a cos b + sin a sin b
👉Calculus
1. Derivatives:
• Power Rule: f'(x) = nxⁿ⁻¹
• Sum Rule: (f + g)' = f' + g'
• Product Rule: (fg)' = f'g + fg'
• Quotient Rule: ((f/g))' = (f'g - fg')/g²
2. Integrals:
• Indefinite Integral:
∫xⁿ dx = xⁿ⁺¹ / n+1 + C, n ≠ -1
• Definite Integral:
A = ∫ₐᵇ f(x) dx
More @SAGALEESABAA
👉Statistics
1. Mean (Average):
Mean = ∑ xᵢ / n
2. Median:
• Middle value when data is ordered.
3. Mode:
• Most frequently occurring value.
4. Standard Deviation:
For population:
σ = √((∑ (xᵢ - μ)²)N)/(``)
For sample:
Good luck with your preparation time!📚
❤Unleash your super potential❤
“Your hard work today shapes your success tomorrow.”
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14.04.202518:43
Mul'ata kee salphaatti Milkeessuuf ilaalcha Sammuu ati Qabaachuu Qabdu!!
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The Best Mindset to Have!
_
1. Saying “I don’t know” is a smart strategy, rather than saying what you are not sure of.
2. Realise that your actions have consequences.
3. Isolate yourself at times from everything but never from yourself. Ignoring reality won’t make them go away.
4. Don’t read success stories, you will only get messages. Read failure stories, you will get some ideas to become successful.
5. Don’t measure life in terms of money, measure in terms of freedom.
6. Set an intention to bring positive energy to everything you do.
7. No excuses for weakness please! Your excuses will escort you to the grave.
8. To protect your sanity, become selfish with your energy. Stop giving it to arguments on the internet.
9. Remember, 99% of your biggest worries will never come to you.
Join our Educational Channels:
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@SAGALEESABAA
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▬▬▬▬▬▬▬▬▬
The Best Mindset to Have!
_
1. Saying “I don’t know” is a smart strategy, rather than saying what you are not sure of.
2. Realise that your actions have consequences.
3. Isolate yourself at times from everything but never from yourself. Ignoring reality won’t make them go away.
4. Don’t read success stories, you will only get messages. Read failure stories, you will get some ideas to become successful.
5. Don’t measure life in terms of money, measure in terms of freedom.
6. Set an intention to bring positive energy to everything you do.
7. No excuses for weakness please! Your excuses will escort you to the grave.
8. To protect your sanity, become selfish with your energy. Stop giving it to arguments on the internet.
9. Remember, 99% of your biggest worries will never come to you.
Join our Educational Channels:
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@SAGALEESABAA
22.04.202518:59
#MoE
🖱Galmeen iyyattoota sagantaalee digirii jalqabaa Waxabajjii 2017 gaggeeffamuuf qormaata seensaa yunivarsiitii irra deebi’anii fudhachuuf eegaa jiran har’a Ebla 14, 2017 irraa eegalee hanga Caamsaa 05, 2017tti akka gaggeeffamu Ministeerri Barnootaa beeksise.
➡️Ulaagaalee unka galmee
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🖱Galmeen iyyattoota sagantaalee digirii jalqabaa Waxabajjii 2017 gaggeeffamuuf qormaata seensaa yunivarsiitii irra deebi’anii fudhachuuf eegaa jiran har’a Ebla 14, 2017 irraa eegalee hanga Caamsaa 05, 2017tti akka gaggeeffamu Ministeerri Barnootaa beeksise.
➡️Ulaagaalee unka galmee
☀️⬇️⬇️ https://exam.ethernet.edu.et
irratti tarreeffaman guutuudhaan galmaa'uu akka dandeessan ibsameera. Guyyaan qormaataa gara fuulduraatti ni beeksifama.
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19.04.202503:39
Maths multiple-choice questions about geometry
Instructions: Choose the best answer for each question.
1. What is the sum of the interior angles of a pentagon?
• a) 360°
• b) 540°
• c) 720°
• d) 900°
2. If two angles are vertically opposite, what is their relationship?
• a) They are complementary.
• b) They are supplementary.
• c) They are equal.
• d) They are adjacent.
3. What is the area of a triangle with base 10 cm and height 6 cm?
• a) 16 cm²
• b) 30 cm²
• c) 60 cm²
• d) 120 cm²
4. What type of triangle has all three sides of equal length?
• a) Scalene
• b) Isosceles
• c) Equilateral
• d) Right-angled
5. What is the name of a quadrilateral with exactly one pair of parallel sides?
• a) Parallelogram
• b) Trapezoid/Trapezium
• c) Rhombus
• d) Rectangle
6. If a circle has a diameter of 14 cm, what is its radius?
• a) 7 cm
• b) 28 cm
• c) 44 cm
• d) 196 cm
7. What is the area of a square with side length 8 cm?
• a) 16 cm²
• b) 32 cm²
• c) 64 cm²
• d) 128 cm²
8. Two angles are said to be complementary if their sum is:
• a) 90°
• b) 180°
• c) 270°
• d) 360°
9. What is the name of a polygon with three sides?
• a) Quadrilateral
• b) Pentagon
• c) Triangle
• d) Hexagon
10. The Pythagorean theorem applies to which type of triangle?
• a) Acute
• b) Obtuse
• c) Right-angled
• d) Equilateral
11. What is the circumference of a circle with a radius of 5 cm (use π ≈ 3.14)?
• a) 15.7 cm
• b) 31.4 cm
• c) 78.5 cm
• d) 157 cm
12. What is the area of a parallelogram with base 12 cm and height 5 cm?
• a) 17 cm²
• b) 30 cm²
• c) 60 cm²
• d) 120 cm²
13. In an isosceles triangle, how many sides are equal in length?
• a) 0
• b) 1
• c) 2
• d) 3
14. What is the sum of the exterior angles of any polygon?
• a) 90°
• b) 180°
• c) 270°
• d) 360°
15. A regular hexagon has sides of equal length and angles of equal measure. What is the measure of each interior angle?
• a) 60°
• b) 90°
• c) 120°
• d) 150°
Answers (Hidden - Scroll to reveal):
1. b
2. c
3. b
4. c
5. b
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6. a
7. c
8. a
9. c
10. c
11. b
12. c
13. c
14. d
15. c
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Instructions: Choose the best answer for each question.
1. What is the sum of the interior angles of a pentagon?
• a) 360°
• b) 540°
• c) 720°
• d) 900°
2. If two angles are vertically opposite, what is their relationship?
• a) They are complementary.
• b) They are supplementary.
• c) They are equal.
• d) They are adjacent.
3. What is the area of a triangle with base 10 cm and height 6 cm?
• a) 16 cm²
• b) 30 cm²
• c) 60 cm²
• d) 120 cm²
4. What type of triangle has all three sides of equal length?
• a) Scalene
• b) Isosceles
• c) Equilateral
• d) Right-angled
5. What is the name of a quadrilateral with exactly one pair of parallel sides?
• a) Parallelogram
• b) Trapezoid/Trapezium
• c) Rhombus
• d) Rectangle
6. If a circle has a diameter of 14 cm, what is its radius?
• a) 7 cm
• b) 28 cm
• c) 44 cm
• d) 196 cm
7. What is the area of a square with side length 8 cm?
• a) 16 cm²
• b) 32 cm²
• c) 64 cm²
• d) 128 cm²
8. Two angles are said to be complementary if their sum is:
• a) 90°
• b) 180°
• c) 270°
• d) 360°
9. What is the name of a polygon with three sides?
• a) Quadrilateral
• b) Pentagon
• c) Triangle
• d) Hexagon
10. The Pythagorean theorem applies to which type of triangle?
• a) Acute
• b) Obtuse
• c) Right-angled
• d) Equilateral
11. What is the circumference of a circle with a radius of 5 cm (use π ≈ 3.14)?
• a) 15.7 cm
• b) 31.4 cm
• c) 78.5 cm
• d) 157 cm
12. What is the area of a parallelogram with base 12 cm and height 5 cm?
• a) 17 cm²
• b) 30 cm²
• c) 60 cm²
• d) 120 cm²
13. In an isosceles triangle, how many sides are equal in length?
• a) 0
• b) 1
• c) 2
• d) 3
14. What is the sum of the exterior angles of any polygon?
• a) 90°
• b) 180°
• c) 270°
• d) 360°
15. A regular hexagon has sides of equal length and angles of equal measure. What is the measure of each interior angle?
• a) 60°
• b) 90°
• c) 120°
• d) 150°
Answers (Hidden - Scroll to reveal):
1. b
2. c
3. b
4. c
5. b
More questions
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6. a
7. c
8. a
9. c
10. c
11. b
12. c
13. c
14. d
15. c
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18.04.202516:34
Qormaata Naannoo Kutaa 6ffaafi 8ffaa Guyyaa Barnootaa 46 Qofa Hufuu Beektuu Laata?
BBO- Ebla 10/2017 Qormaatni Naannoo kutaa 6ffaafi 8ffaa barattoota Naannoo Oromiyaa bara barnootaa 2017 akka sagantaa Biiroo Barnootaa Oromiyaatti Waxabajjii 16- 20/2017 jiddutti kan kennamu ta'uu kalaandariin barnootaa agarsiiseera.
Qormaata Naannoo kutaa 6ffaafi 8ffaa guyyoota barnootaa 46 kan hafe yoo ta'u, guyyoota Sanbataafi Dilbataa (tutooriyaaliifi qo'achuu barattootaa) dabalatee guyyoota 65 qofa kan hafan ta'uun hubatameera.
Kanaafuu barsiisotni barattootnifi maatiin barattootaa guyyoota hafan kanneen keessatti tutooriyaaliin kennitan, kan qo'attaniifi deeggarsi maatiin kennu qabxii barattootaa fooyyessuu keessatti gahee olaanaa waan qabuuf jijjiiramaaf waliin dhaabbachuu qabna kan jedhu dhaamsa BBO ti.
Dabalataanis Qormaatni Biyyoolessaa kutaa 12ffaa bara 2017 ji'a Waxabajjii keessa waan kennamuuf gamanumaa qophii akka xumuran ni beeksifna.
Walumaa galatti, manneen barnootaa deeggarsa barattootaaf taasisaa jirtan cimee akka itti fufu, barsiisotni gosa barnoota barsiisaniin '#portion' #dursanii_akka_xumuraniifi_waraqaalee_qormaataa_waggoota_darbanii_akka_shaakalsiisan wal yaadachiisuun qabxii ijoollee keenyaaf ni fayyada.
#_Qabxii_qormaataa_barattoota_keenyaaf_deeggarsi_barsiisotaafi_maatii_hundaa_ol_murteessaadha!
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BBO- Ebla 10/2017 Qormaatni Naannoo kutaa 6ffaafi 8ffaa barattoota Naannoo Oromiyaa bara barnootaa 2017 akka sagantaa Biiroo Barnootaa Oromiyaatti Waxabajjii 16- 20/2017 jiddutti kan kennamu ta'uu kalaandariin barnootaa agarsiiseera.
Qormaata Naannoo kutaa 6ffaafi 8ffaa guyyoota barnootaa 46 kan hafe yoo ta'u, guyyoota Sanbataafi Dilbataa (tutooriyaaliifi qo'achuu barattootaa) dabalatee guyyoota 65 qofa kan hafan ta'uun hubatameera.
Kanaafuu barsiisotni barattootnifi maatiin barattootaa guyyoota hafan kanneen keessatti tutooriyaaliin kennitan, kan qo'attaniifi deeggarsi maatiin kennu qabxii barattootaa fooyyessuu keessatti gahee olaanaa waan qabuuf jijjiiramaaf waliin dhaabbachuu qabna kan jedhu dhaamsa BBO ti.
Dabalataanis Qormaatni Biyyoolessaa kutaa 12ffaa bara 2017 ji'a Waxabajjii keessa waan kennamuuf gamanumaa qophii akka xumuran ni beeksifna.
Walumaa galatti, manneen barnootaa deeggarsa barattootaaf taasisaa jirtan cimee akka itti fufu, barsiisotni gosa barnoota barsiisaniin '#portion' #dursanii_akka_xumuraniifi_waraqaalee_qormaataa_waggoota_darbanii_akka_shaakalsiisan wal yaadachiisuun qabxii ijoollee keenyaaf ni fayyada.
#_Qabxii_qormaataa_barattoota_keenyaaf_deeggarsi_barsiisotaafi_maatii_hundaa_ol_murteessaadha!
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15.04.202514:17
⚠️ KANA BEEKTUU LAATA?
Akkam jirtu barattootaa?
Barnoonni nuti isiniif dhiheessaa jirru maal fakkaata?
Oduu gaddaa qabannee dhihaanneen Chaanaaliin keenya barnoota isiniif dabarsaa jiru akka adda kunnuuf nu dirqisiisaa jira.
Sababni isaa Chaanaaliin keenya hanqinoota garaa garaan warning ta'ee jira.
Kanaaf akka nuti itti fufnu namoonni barbaadda yoo jiraattan post keenya namoota mobile keessan irra jiraniif share godhaa.
Barnoota keenya itti fufsiisuun dirqama Lammummaa bahaa.
Namoonni chaanaalii fi garee qabdan akkasumas Namoonni hirriyoota telegram keessan irra qabdan akka nuuf affeeruun hojii keenya galmaan gahaa.
Lammiin Lammiif wolmalee homaan qabnu. ''Sa'a abbaan gaafa cabse ormi ija jaamsa'' jedha oromoon yoo nuti walhin barsiifne eenyutu nu barsiisa?
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Akkam jirtu barattootaa?
Barnoonni nuti isiniif dhiheessaa jirru maal fakkaata?
Oduu gaddaa qabannee dhihaanneen Chaanaaliin keenya barnoota isiniif dabarsaa jiru akka adda kunnuuf nu dirqisiisaa jira.
Sababni isaa Chaanaaliin keenya hanqinoota garaa garaan warning ta'ee jira.
Kanaaf akka nuti itti fufnu namoonni barbaadda yoo jiraattan post keenya namoota mobile keessan irra jiraniif share godhaa.
Barnoota keenya itti fufsiisuun dirqama Lammummaa bahaa.
Namoonni chaanaalii fi garee qabdan akkasumas Namoonni hirriyoota telegram keessan irra qabdan akka nuuf affeeruun hojii keenya galmaan gahaa.
Lammiin Lammiif wolmalee homaan qabnu. ''Sa'a abbaan gaafa cabse ormi ija jaamsa'' jedha oromoon yoo nuti walhin barsiifne eenyutu nu barsiisa?
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14.04.202518:46
▎QuestionsPlant Biology: Photosynthesis, plant structure and function, reproduction in plants
1. What is the primary function of chlorophyll in plants?
a) Absorb water
b) Absorb sunlight
c) Absorb nutrients
d) Absorb carbon dioxide
2. In which part of the plant does photosynthesis primarily occur?
a) Roots
b) Stems
c) Leaves
d) Flowers
3. What are the products of photosynthesis?
a) Oxygen and glucose
b) Carbon dioxide and water
c) Glucose and nitrogen
d) Oxygen and nitrogen
4. Which gas is taken in by plants during photosynthesis?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen
5. What is the main purpose of the stomata in leaves?
a) To absorb sunlight
b) To transport nutrients
c) To exchange gases
d) To store water
6. Which part of the plant is responsible for water and nutrient absorption?
a) Leaves
b) Stems
c) Roots
d) Flowers
7. What type of reproduction involves the fusion of male and female gametes in plants?
a) Asexual reproduction
b) Vegetative propagation
c) Sexual reproduction
d) Budding
8. In flowering plants, what is the male reproductive part called?
a) Pistil
b) Stamen
c) Ovule
d) Petal
9. What is the role of xylem in plants?
a) Transport food
b) Transport water and minerals
c) Photosynthesis
d) Reproduction
10. Which process involves the transfer of pollen from the male anther to the female stigma?
a) Fertilization
b) Pollination
c) Germination
d) Photosynthesis
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11. What is the main function of phloem in plants?
a) Transport water
b) Transport food (sugars)
c) Provide structural support
d) Store energy
12. Which pigment is primarily responsible for the green color of plants?
a) Carotenoids
b) Chlorophyll
c) Anthocyanins
d) Xanthophylls
13. What is the process by which plants lose water vapor through small openings in their leaves called?
a) Transpiration
b) Evaporation
c) Respiration
d) Condensation
14. In what form do plants store excess glucose?
a) Starch
b) Cellulose
c) Sucrose
d) Fructose
15. What type of plant reproduction occurs without the formation of seeds?
a) Sexual reproduction
b) Asexual reproduction
c) Cross-pollination
d) Self-pollination
▎Answers
1. b) Absorb sunlight
2. c) Leaves
3. a) Oxygen and glucose
4. c) Carbon dioxide
5. c) To exchange gases
6. c) Roots
7. c) Sexual reproduction
8. b) Stamen
9. b) Transport water and minerals
10. b) Pollination
11. b) Transport food (sugars)
12. b) Chlorophyll
13. a) Transpiration
14. a) Starch
15. b) Asexual reproduction
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1. What is the primary function of chlorophyll in plants?
a) Absorb water
b) Absorb sunlight
c) Absorb nutrients
d) Absorb carbon dioxide
2. In which part of the plant does photosynthesis primarily occur?
a) Roots
b) Stems
c) Leaves
d) Flowers
3. What are the products of photosynthesis?
a) Oxygen and glucose
b) Carbon dioxide and water
c) Glucose and nitrogen
d) Oxygen and nitrogen
4. Which gas is taken in by plants during photosynthesis?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen
5. What is the main purpose of the stomata in leaves?
a) To absorb sunlight
b) To transport nutrients
c) To exchange gases
d) To store water
6. Which part of the plant is responsible for water and nutrient absorption?
a) Leaves
b) Stems
c) Roots
d) Flowers
7. What type of reproduction involves the fusion of male and female gametes in plants?
a) Asexual reproduction
b) Vegetative propagation
c) Sexual reproduction
d) Budding
8. In flowering plants, what is the male reproductive part called?
a) Pistil
b) Stamen
c) Ovule
d) Petal
9. What is the role of xylem in plants?
a) Transport food
b) Transport water and minerals
c) Photosynthesis
d) Reproduction
10. Which process involves the transfer of pollen from the male anther to the female stigma?
a) Fertilization
b) Pollination
c) Germination
d) Photosynthesis
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11. What is the main function of phloem in plants?
a) Transport water
b) Transport food (sugars)
c) Provide structural support
d) Store energy
12. Which pigment is primarily responsible for the green color of plants?
a) Carotenoids
b) Chlorophyll
c) Anthocyanins
d) Xanthophylls
13. What is the process by which plants lose water vapor through small openings in their leaves called?
a) Transpiration
b) Evaporation
c) Respiration
d) Condensation
14. In what form do plants store excess glucose?
a) Starch
b) Cellulose
c) Sucrose
d) Fructose
15. What type of plant reproduction occurs without the formation of seeds?
a) Sexual reproduction
b) Asexual reproduction
c) Cross-pollination
d) Self-pollination
▎Answers
1. b) Absorb sunlight
2. c) Leaves
3. a) Oxygen and glucose
4. c) Carbon dioxide
5. c) To exchange gases
6. c) Roots
7. c) Sexual reproduction
8. b) Stamen
9. b) Transport water and minerals
10. b) Pollination
11. b) Transport food (sugars)
12. b) Chlorophyll
13. a) Transpiration
14. a) Starch
15. b) Asexual reproduction
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14.04.202518:41
Electromagnetism MCQs
1. What is the SI unit of electric charge?
a) Coulomb (C)
b) Ampere (A)
c) Volt (V)
d) Ohm (Ω)
Answer: a) Coulomb (C)
2. Which law describes the force between two point charges?
a) Gauss's law
b) Coulomb's law
c) Ohm's law
d) Faraday's law
Answer: b) Coulomb's law
3. What is the direction of the electric field around a positive point charge?
a) Radially inward
b) Radially outward
c) Tangential
d) Circular
Answer: b) Radially outward
4. Which of the following is true for a conductor in electrostatic equilibrium?
a) The electric field inside is zero
b) The electric potential is constant throughout
c) All excess charge resides on the surface
d) All of the above
Answer: d) All of the above
5. What does Gauss's law describe?
a) The relationship between electric flux and enclosed charge
b) The force between two charges
c) The energy stored in a capacitor
d) The magnetic field around a current-carrying wire
Answer: a) The relationship between electric flux and enclosed charge
6. What is the SI unit of magnetic flux?
a) Tesla (T)
b) Weber (Wb)
c) Henry (H)
d) Gauss (G)
Answer: b) Weber (Wb)
7. Which law describes the magnetic field produced by a current-carrying wire?
a) Faraday's law
b) Ampere's law
c) Lenz's law
d) Ohm's law
Answer: b) Ampere's law
8. What is the direction of the magnetic field around a straight current-carrying wire?
a) Parallel to the wire
b) Radial outward
c) Circular around the wire
d) Tangential
Answer: c) Circular around the wire
9. Which of the following is true about the force on a charged particle moving in a magnetic field?
a) The force is always parallel to the velocity
b) The force is always perpendicular to the velocity
c) The force depends on the charge's mass
d) The force is zero if the charge is stationary
Answer: b) The force is always perpendicular to the velocity
10. What does Faraday's law of electromagnetic induction state?
a) The induced EMF is proportional to the rate of change of magnetic flux
b) The induced current opposes the change in magnetic flux
c) The magnetic field is proportional to the current
d) The electric field is proportional to the charge
Answer: a) The induced EMF is proportional to the rate of change of magnetic flux
11. What is the phenomenon where a changing magnetic field induces an electric current?
a) Electromagnetic induction
b) Magnetic resonance
c) Electric polarization
d) Magnetic hysteresis
Answer: a) Electromagnetic induction
12. Which of the following is NOT one of Maxwell's equations?
a) Gauss's law for electricity
b) Gauss's law for magnetism
c) Ohm's law
d) Faraday's law of induction
Answer: c) Ohm's law
13. What is the speed of electromagnetic waves in a vacuum?
a) 3 × 10⁸ m/s
b) 2 × 10⁸ m/s
c) 1 ×10⁸ m/s
d) 4 × 10⁸m/s
Answer: a) \( 3 \times 10^8 \, \text{m/s} \)
14. What is the primary function of a transformer?
a) Convert AC to DC
b) Step up or step down voltage
c) Store electrical energy
d) Measure current
Answer: b) Step up or step down voltage
15. Which device uses electromagnetic induction to convert mechanical energy into electrical energy?
a) Motor
b) Generator
c) Transformer
d) Capacitor
Answer: b) Generator
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1. What is the SI unit of electric charge?
a) Coulomb (C)
b) Ampere (A)
c) Volt (V)
d) Ohm (Ω)
Answer: a) Coulomb (C)
2. Which law describes the force between two point charges?
a) Gauss's law
b) Coulomb's law
c) Ohm's law
d) Faraday's law
Answer: b) Coulomb's law
3. What is the direction of the electric field around a positive point charge?
a) Radially inward
b) Radially outward
c) Tangential
d) Circular
Answer: b) Radially outward
4. Which of the following is true for a conductor in electrostatic equilibrium?
a) The electric field inside is zero
b) The electric potential is constant throughout
c) All excess charge resides on the surface
d) All of the above
Answer: d) All of the above
5. What does Gauss's law describe?
a) The relationship between electric flux and enclosed charge
b) The force between two charges
c) The energy stored in a capacitor
d) The magnetic field around a current-carrying wire
Answer: a) The relationship between electric flux and enclosed charge
6. What is the SI unit of magnetic flux?
a) Tesla (T)
b) Weber (Wb)
c) Henry (H)
d) Gauss (G)
Answer: b) Weber (Wb)
7. Which law describes the magnetic field produced by a current-carrying wire?
a) Faraday's law
b) Ampere's law
c) Lenz's law
d) Ohm's law
Answer: b) Ampere's law
8. What is the direction of the magnetic field around a straight current-carrying wire?
a) Parallel to the wire
b) Radial outward
c) Circular around the wire
d) Tangential
Answer: c) Circular around the wire
9. Which of the following is true about the force on a charged particle moving in a magnetic field?
a) The force is always parallel to the velocity
b) The force is always perpendicular to the velocity
c) The force depends on the charge's mass
d) The force is zero if the charge is stationary
Answer: b) The force is always perpendicular to the velocity
10. What does Faraday's law of electromagnetic induction state?
a) The induced EMF is proportional to the rate of change of magnetic flux
b) The induced current opposes the change in magnetic flux
c) The magnetic field is proportional to the current
d) The electric field is proportional to the charge
Answer: a) The induced EMF is proportional to the rate of change of magnetic flux
11. What is the phenomenon where a changing magnetic field induces an electric current?
a) Electromagnetic induction
b) Magnetic resonance
c) Electric polarization
d) Magnetic hysteresis
Answer: a) Electromagnetic induction
12. Which of the following is NOT one of Maxwell's equations?
a) Gauss's law for electricity
b) Gauss's law for magnetism
c) Ohm's law
d) Faraday's law of induction
Answer: c) Ohm's law
13. What is the speed of electromagnetic waves in a vacuum?
a) 3 × 10⁸ m/s
b) 2 × 10⁸ m/s
c) 1 ×10⁸ m/s
d) 4 × 10⁸m/s
Answer: a) \( 3 \times 10^8 \, \text{m/s} \)
14. What is the primary function of a transformer?
a) Convert AC to DC
b) Step up or step down voltage
c) Store electrical energy
d) Measure current
Answer: b) Step up or step down voltage
15. Which device uses electromagnetic induction to convert mechanical energy into electrical energy?
a) Motor
b) Generator
c) Transformer
d) Capacitor
Answer: b) Generator
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22.04.202517:52
Most common Biology Questions for Entrance Exam from : Nervous System Parts and Functions
1. The basic functional unit of the nervous system is the:
a) Neuron
b) Neuroglia
c) Axon
d) Dendrite
2. Which part of a neuron typically receives signals from other neurons?
a) Axon
b) Myelin sheath
c) Dendrite
d) Synapse
3. The long, slender projection of a neuron that conducts electrical impulses away from the cell body is the:
a) Dendrite
b) Axon
c) Synapse
d) Neuroglia
4. What is the function of the myelin sheath?
a) To transmit signals to the next neuron
b) To receive signals from other neurons
c) To speed up the conduction of nerve impulses
d) To nourish the neuron
5. The gap between two neurons where neurotransmitters are released is called the:
a) Axon
b) Dendrite
c) Synapse
d) Myelin sheath
6. Which of the following is a chemical messenger that transmits signals between neurons?
a) Myelin
b) Neurotransmitter
c) Action potential
d) Membrane potential
7. The central nervous system (CNS) consists of:
a) The brain and spinal cord
b) The cranial and spinal nerves
c) The sensory and motor neurons
d) The sympathetic and parasympathetic divisions
8. Which part of the brain is responsible for higher-level functions, such as thinking, memory, and language?
a) Cerebellum
b) Brainstem
c) Cerebrum
d) Thalamus
9. The part of the brain that coordinates movement and balance is the:
a) Cerebrum
b) Cerebellum
c) Medulla oblongata
d) Hypothalamus
10. Which part of the brainstem is involved in regulating heart rate and breathing?
a) Cerebellum
b) Pons
c) Medulla oblongata
d) Thalamus
11. The peripheral nervous system (PNS) includes:
a) The brain and spinal cord
b) All the nerves outside the brain and spinal cord
c) Only the sensory nerves
d) Only the motor nerves
12. Which division of the autonomic nervous system is responsible for the "fight-or-flight" response?
a) Parasympathetic
b) Somatic
c) Sympathetic
d) Enteric
13. Which division of the autonomic nervous system is responsible for "rest and digest" functions?
a) Sympathetic
b) Sensory
c) Motor
d) Parasympathetic
14. Sensory neurons transmit information from:
a) The brain to the muscles
b) The spinal cord to the brain
c) Receptors to the central nervous system
d) The central nervous system to the peripheral nervous system
15. Motor neurons transmit information from:
a) Receptors to the central nervous system
b) The brain to the sensory receptors
c) The central nervous system to the muscles and glands
d) The peripheral nervous system to the central nervous system
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Answers:
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1. The basic functional unit of the nervous system is the:
a) Neuron
b) Neuroglia
c) Axon
d) Dendrite
2. Which part of a neuron typically receives signals from other neurons?
a) Axon
b) Myelin sheath
c) Dendrite
d) Synapse
3. The long, slender projection of a neuron that conducts electrical impulses away from the cell body is the:
a) Dendrite
b) Axon
c) Synapse
d) Neuroglia
4. What is the function of the myelin sheath?
a) To transmit signals to the next neuron
b) To receive signals from other neurons
c) To speed up the conduction of nerve impulses
d) To nourish the neuron
5. The gap between two neurons where neurotransmitters are released is called the:
a) Axon
b) Dendrite
c) Synapse
d) Myelin sheath
6. Which of the following is a chemical messenger that transmits signals between neurons?
a) Myelin
b) Neurotransmitter
c) Action potential
d) Membrane potential
7. The central nervous system (CNS) consists of:
a) The brain and spinal cord
b) The cranial and spinal nerves
c) The sensory and motor neurons
d) The sympathetic and parasympathetic divisions
8. Which part of the brain is responsible for higher-level functions, such as thinking, memory, and language?
a) Cerebellum
b) Brainstem
c) Cerebrum
d) Thalamus
9. The part of the brain that coordinates movement and balance is the:
a) Cerebrum
b) Cerebellum
c) Medulla oblongata
d) Hypothalamus
10. Which part of the brainstem is involved in regulating heart rate and breathing?
a) Cerebellum
b) Pons
c) Medulla oblongata
d) Thalamus
11. The peripheral nervous system (PNS) includes:
a) The brain and spinal cord
b) All the nerves outside the brain and spinal cord
c) Only the sensory nerves
d) Only the motor nerves
12. Which division of the autonomic nervous system is responsible for the "fight-or-flight" response?
a) Parasympathetic
b) Somatic
c) Sympathetic
d) Enteric
13. Which division of the autonomic nervous system is responsible for "rest and digest" functions?
a) Sympathetic
b) Sensory
c) Motor
d) Parasympathetic
14. Sensory neurons transmit information from:
a) The brain to the muscles
b) The spinal cord to the brain
c) Receptors to the central nervous system
d) The central nervous system to the peripheral nervous system
15. Motor neurons transmit information from:
a) Receptors to the central nervous system
b) The brain to the sensory receptors
c) The central nervous system to the muscles and glands
d) The peripheral nervous system to the central nervous system
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Answers:
1. a
2. c
3. b
4. c
5. c
6. b
7. a
8. c
9. b
10. c
11. b
12. c
13. d
14. c
15. c
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18.04.202516:42
Biology common Terms for Grade 12 Entrance Examinations
1. Cell: The basic unit of life; the smallest structure capable of performing all life processes.
2. DNA (Deoxyribonucleic Acid): A molecule that carries genetic information in living organisms and is responsible for heredity.
3. Gene: A segment of DNA that contains the instructions for building a specific protein or function.
4. Chromosome: A thread-like structure made of DNA and proteins that contains genetic information; humans typically have 46 chromosomes.
5. Mitosis: A type of cell division that results in two genetically identical daughter cells, used for growth and repair.
6. Meiosis: A specialized form of cell division that reduces the chromosome number by half, producing gametes (sperm and eggs).
7. Protein: A macromolecule made up of amino acids, essential for structure, function, and regulation of the body’s tissues and organs.
8. Enzyme: A protein that acts as a catalyst to speed up chemical reactions in biological processes.
9. Photosynthesis: The process by which green plants and some other organisms convert light energy into chemical energy (glucose) using carbon dioxide and water.
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10. Respiration: The biochemical process in which cells convert glucose and oxygen into energy, carbon dioxide, and water.
11. Homeostasis: The maintenance of a stable internal environment within an organism despite external changes.
12. Ecosystem: A community of living organisms interacting with one another and their physical environment.
13. Biodiversity: The variety of life in a particular habitat or ecosystem, including the number of species and genetic diversity.
14. Natural Selection: The process by which organisms better adapted to their environment tend to survive and produce more offspring.
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15. Mutation: A change in the DNA sequence that can lead to variations in traits and may affect an organism's ability to survive.
16. Allele: Different forms of a gene that can exist at a specific locus on a chromosome.
17. Phenotype: The observable physical or biochemical characteristics of an organism, determined by its genotype and environment.
18. Genotype: The genetic constitution of an organism, representing the alleles inherited from its parents.
19. Autotroph: An organism that produces its own food from inorganic substances, typically through photosynthesis or chemosynthesis.
20. Heterotroph: An organism that cannot produce its own food and must consume other organisms for energy.
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21. Cell Membrane: A phospholipid bilayer that surrounds the cell, controlling the movement of substances in and out.
22. Nucleus: The membrane-bound organelle that contains the cell's genetic material (DNA) and controls cellular activities.
23. Cytoplasm: The gel-like substance within the cell membrane that contains organelles and is the site of many metabolic processes.
24. Organelle: Specialized structures within a cell that perform distinct functions (e.g., mitochondria, ribosomes).
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25. Vesicle: A small membrane-bound sac within a cell that transports materials to different locations inside the cell.
26. Antibody: A protein produced by the immune system that recognizes and neutralizes foreign objects like bacteria and viruses.
27. Hormone: A chemical messenger produced by glands in the endocrine system that regulates physiological processes in the body.
28. Symbiosis: A close interaction between two different species, which can be mutualistic, commensalistic, or parasitic.
29. Population: A group of individuals of the same species living in a specific area at the same time.
30. Trophic Level: The position an organism occupies in a food chain, determined by its feeding relationships (e.g., producers, primary consumers).
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1. Cell: The basic unit of life; the smallest structure capable of performing all life processes.
2. DNA (Deoxyribonucleic Acid): A molecule that carries genetic information in living organisms and is responsible for heredity.
3. Gene: A segment of DNA that contains the instructions for building a specific protein or function.
4. Chromosome: A thread-like structure made of DNA and proteins that contains genetic information; humans typically have 46 chromosomes.
5. Mitosis: A type of cell division that results in two genetically identical daughter cells, used for growth and repair.
6. Meiosis: A specialized form of cell division that reduces the chromosome number by half, producing gametes (sperm and eggs).
7. Protein: A macromolecule made up of amino acids, essential for structure, function, and regulation of the body’s tissues and organs.
8. Enzyme: A protein that acts as a catalyst to speed up chemical reactions in biological processes.
9. Photosynthesis: The process by which green plants and some other organisms convert light energy into chemical energy (glucose) using carbon dioxide and water.
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10. Respiration: The biochemical process in which cells convert glucose and oxygen into energy, carbon dioxide, and water.
11. Homeostasis: The maintenance of a stable internal environment within an organism despite external changes.
12. Ecosystem: A community of living organisms interacting with one another and their physical environment.
13. Biodiversity: The variety of life in a particular habitat or ecosystem, including the number of species and genetic diversity.
14. Natural Selection: The process by which organisms better adapted to their environment tend to survive and produce more offspring.
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15. Mutation: A change in the DNA sequence that can lead to variations in traits and may affect an organism's ability to survive.
16. Allele: Different forms of a gene that can exist at a specific locus on a chromosome.
17. Phenotype: The observable physical or biochemical characteristics of an organism, determined by its genotype and environment.
18. Genotype: The genetic constitution of an organism, representing the alleles inherited from its parents.
19. Autotroph: An organism that produces its own food from inorganic substances, typically through photosynthesis or chemosynthesis.
20. Heterotroph: An organism that cannot produce its own food and must consume other organisms for energy.
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21. Cell Membrane: A phospholipid bilayer that surrounds the cell, controlling the movement of substances in and out.
22. Nucleus: The membrane-bound organelle that contains the cell's genetic material (DNA) and controls cellular activities.
23. Cytoplasm: The gel-like substance within the cell membrane that contains organelles and is the site of many metabolic processes.
24. Organelle: Specialized structures within a cell that perform distinct functions (e.g., mitochondria, ribosomes).
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25. Vesicle: A small membrane-bound sac within a cell that transports materials to different locations inside the cell.
26. Antibody: A protein produced by the immune system that recognizes and neutralizes foreign objects like bacteria and viruses.
27. Hormone: A chemical messenger produced by glands in the endocrine system that regulates physiological processes in the body.
28. Symbiosis: A close interaction between two different species, which can be mutualistic, commensalistic, or parasitic.
29. Population: A group of individuals of the same species living in a specific area at the same time.
30. Trophic Level: The position an organism occupies in a food chain, determined by its feeding relationships (e.g., producers, primary consumers).
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18.04.202502:35
🏖Biology common Terms for Grade 12 Entrance Examinations
1. Cell: The basic unit of life; the smallest structure capable of performing all life processes.
2. DNA (Deoxyribonucleic Acid): A molecule that carries genetic information in living organisms and is responsible for heredity.
3. Gene: A segment of DNA that contains the instructions for building a specific protein or function.
4. Chromosome: A thread-like structure made of DNA and proteins that contains genetic information; humans typically have 46 chromosomes.
5. Mitosis: A type of cell division that results in two genetically identical daughter cells, used for growth and repair.
6. Meiosis: A specialized form of cell division that reduces the chromosome number by half, producing gametes (sperm and eggs).
7. Protein: A macromolecule made up of amino acids, essential for structure, function, and regulation of the body’s tissues and organs.
8. Enzyme: A protein that acts as a catalyst to speed up chemical reactions in biological processes.
9. Photosynthesis: The process by which green plants and some other organisms convert light energy into chemical energy (glucose) using carbon dioxide and water.
10. Respiration: The biochemical process in which cells convert glucose and oxygen into energy, carbon dioxide, and water.
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11. Homeostasis: The maintenance of a stable internal environment within an organism despite external changes.
12. Ecosystem: A community of living organisms interacting with one another and their physical environment.
13. Biodiversity: The variety of life in a particular habitat or ecosystem, including the number of species and genetic diversity.
14. Natural Selection: The process by which organisms better adapted to their environment tend to survive and produce more offspring.
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15. Mutation: A change in the DNA sequence that can lead to variations in traits and may affect an organism's ability to survive.
16. Allele: Different forms of a gene that can exist at a specific locus on a chromosome.
17. Phenotype: The observable physical or biochemical characteristics of an organism, determined by its genotype and environment.
18. Genotype: The genetic constitution of an organism, representing the alleles inherited from its parents.
19. Autotroph: An organism that produces its own food from inorganic substances, typically through photosynthesis or chemosynthesis.
20. Heterotroph: An organism that cannot produce its own food and must consume other organisms for energy.
21. Cell Membrane: A phospholipid bilayer that surrounds the cell, controlling the movement of substances in and out.
22. Nucleus: The membrane-bound organelle that contains the cell's genetic material (DNA) and controls cellular activities.
23. Cytoplasm: The gel-like substance within the cell membrane that contains organelles and is the site of many metabolic processes.
24. Organelle: Specialized structures within a cell that perform distinct functions (e.g., mitochondria, ribosomes).
25. Vesicle: A small membrane-bound sac within a cell that transports materials to different locations inside the cell. More @SAGALEESABAA
26. Antibody: A protein produced by the immune system that recognizes and neutralizes foreign objects like bacteria and viruses.
27. Hormone: A chemical messenger produced by glands in the endocrine system that regulates physiological processes in the body.
28. Symbiosis: A close interaction between two different species, which can be mutualistic, commensalistic, or parasitic.
29. Population: A group of individuals of the same species living in a specific area at the same time.
30. Trophic Level: The position an organism occupies in a food chain, determined by its feeding relationships (e.g., producers, primary consumers).
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1. Cell: The basic unit of life; the smallest structure capable of performing all life processes.
2. DNA (Deoxyribonucleic Acid): A molecule that carries genetic information in living organisms and is responsible for heredity.
3. Gene: A segment of DNA that contains the instructions for building a specific protein or function.
4. Chromosome: A thread-like structure made of DNA and proteins that contains genetic information; humans typically have 46 chromosomes.
5. Mitosis: A type of cell division that results in two genetically identical daughter cells, used for growth and repair.
6. Meiosis: A specialized form of cell division that reduces the chromosome number by half, producing gametes (sperm and eggs).
7. Protein: A macromolecule made up of amino acids, essential for structure, function, and regulation of the body’s tissues and organs.
8. Enzyme: A protein that acts as a catalyst to speed up chemical reactions in biological processes.
9. Photosynthesis: The process by which green plants and some other organisms convert light energy into chemical energy (glucose) using carbon dioxide and water.
10. Respiration: The biochemical process in which cells convert glucose and oxygen into energy, carbon dioxide, and water.
More questions @SAGALEESABAA
11. Homeostasis: The maintenance of a stable internal environment within an organism despite external changes.
12. Ecosystem: A community of living organisms interacting with one another and their physical environment.
13. Biodiversity: The variety of life in a particular habitat or ecosystem, including the number of species and genetic diversity.
14. Natural Selection: The process by which organisms better adapted to their environment tend to survive and produce more offspring.
More @SAGALEESABAA
15. Mutation: A change in the DNA sequence that can lead to variations in traits and may affect an organism's ability to survive.
16. Allele: Different forms of a gene that can exist at a specific locus on a chromosome.
17. Phenotype: The observable physical or biochemical characteristics of an organism, determined by its genotype and environment.
18. Genotype: The genetic constitution of an organism, representing the alleles inherited from its parents.
19. Autotroph: An organism that produces its own food from inorganic substances, typically through photosynthesis or chemosynthesis.
20. Heterotroph: An organism that cannot produce its own food and must consume other organisms for energy.
21. Cell Membrane: A phospholipid bilayer that surrounds the cell, controlling the movement of substances in and out.
22. Nucleus: The membrane-bound organelle that contains the cell's genetic material (DNA) and controls cellular activities.
23. Cytoplasm: The gel-like substance within the cell membrane that contains organelles and is the site of many metabolic processes.
24. Organelle: Specialized structures within a cell that perform distinct functions (e.g., mitochondria, ribosomes).
25. Vesicle: A small membrane-bound sac within a cell that transports materials to different locations inside the cell. More @SAGALEESABAA
26. Antibody: A protein produced by the immune system that recognizes and neutralizes foreign objects like bacteria and viruses.
27. Hormone: A chemical messenger produced by glands in the endocrine system that regulates physiological processes in the body.
28. Symbiosis: A close interaction between two different species, which can be mutualistic, commensalistic, or parasitic.
29. Population: A group of individuals of the same species living in a specific area at the same time.
30. Trophic Level: The position an organism occupies in a food chain, determined by its feeding relationships (e.g., producers, primary consumers).
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15.04.202513:30
📌 20 chemistry multiple-choice questions with their answers:
1. What is the atomic number of carbon?
A) 6
B) 12
C) 14
D) 8
Answer: A) 6
2. Which of the following is a noble gas?
A) Oxygen
B) Nitrogen
C) Argon
D) Hydrogen
Answer: C) Argon
3. What is the chemical formula for water?
A) H2O2
B) H2O
C) O2H
D) H2O3
Answer: B) H2O
4. Which of the following represents a chemical change?
A) Melting ice
B) Dissolving sugar in water
C) Rusting iron
D) Boiling water
Answer: C) Rusting iron
5. What type of bond involves the sharing of electron pairs?
A) Ionic bond
B) Covalent bond
C) Metallic bond
D) Hydrogen bond
Answer: B) Covalent bond
6. What is the pH of a neutral solution at 25°C?
A) 0
B) 7
C) 14
D) 1
Answer: B) 7
7. Which of the following is an exothermic reaction?
A) Photosynthesis
B) Combustion
C) Melting ice
D) Dissolving salt in water
Answer: B) Combustion
8. What is the molar mass of water (H2O)?
A) 16 g/mol
B) 18 g/mol
C) 20 g/mol
D) 14 g/mol
Answer: B) 18 g/mol
9. Which of the following elements is most electronegative?
A) Fluorine
B) Oxygen
C) Nitrogen
D) Chlorine
Answer: A) Fluorine
10. What is the main component of natural gas?
A) Propane
B) Ethanol
C) Methane
D) Butane
Answer: C) Methane
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1. What is the atomic number of carbon?
A) 6
B) 12
C) 14
D) 8
Answer: A) 6
2. Which of the following is a noble gas?
A) Oxygen
B) Nitrogen
C) Argon
D) Hydrogen
Answer: C) Argon
3. What is the chemical formula for water?
A) H2O2
B) H2O
C) O2H
D) H2O3
Answer: B) H2O
4. Which of the following represents a chemical change?
A) Melting ice
B) Dissolving sugar in water
C) Rusting iron
D) Boiling water
Answer: C) Rusting iron
5. What type of bond involves the sharing of electron pairs?
A) Ionic bond
B) Covalent bond
C) Metallic bond
D) Hydrogen bond
Answer: B) Covalent bond
6. What is the pH of a neutral solution at 25°C?
A) 0
B) 7
C) 14
D) 1
Answer: B) 7
7. Which of the following is an exothermic reaction?
A) Photosynthesis
B) Combustion
C) Melting ice
D) Dissolving salt in water
Answer: B) Combustion
8. What is the molar mass of water (H2O)?
A) 16 g/mol
B) 18 g/mol
C) 20 g/mol
D) 14 g/mol
Answer: B) 18 g/mol
9. Which of the following elements is most electronegative?
A) Fluorine
B) Oxygen
C) Nitrogen
D) Chlorine
Answer: A) Fluorine
10. What is the main component of natural gas?
A) Propane
B) Ethanol
C) Methane
D) Butane
Answer: C) Methane
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14.04.202518:45
13.04.202518:02
Answer
1. b) Generation of ATP and NADPH
2. b) Thylakoid membrane
3. a) Water
4. b) Absorption of light energy (and also c) Splitting water molecules)
5. a) NADP+
6. b) Glucose
7. b) Stroma
8. b) Fixation of carbon dioxide
9. a) 1 (Note: Two G3P molecules are needed to form one glucose, but one turn produces one G3P.)
10. a) Used to regenerate RuBP
11. a) ATP (NADPH provides reducing power, but ATP provides energy.)
12. c) Fixation of carbon dioxide
13. c) They are incorporated into organic molecules
14. a) RuBP (ribulose bisphosphate)
15. b) To convert light energy into chemical energy (ATP and NADPH)
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1. b) Generation of ATP and NADPH
2. b) Thylakoid membrane
3. a) Water
4. b) Absorption of light energy (and also c) Splitting water molecules)
5. a) NADP+
6. b) Glucose
7. b) Stroma
8. b) Fixation of carbon dioxide
9. a) 1 (Note: Two G3P molecules are needed to form one glucose, but one turn produces one G3P.)
10. a) Used to regenerate RuBP
11. a) ATP (NADPH provides reducing power, but ATP provides energy.)
12. c) Fixation of carbon dioxide
13. c) They are incorporated into organic molecules
14. a) RuBP (ribulose bisphosphate)
15. b) To convert light energy into chemical energy (ATP and NADPH)
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20.04.202518:14
Answers:
1. d 2. b 3. d 4. b
5. b 6. a 7. a 8. a
9. a 10. c 11. c 12. a
13. a 14. d 15. d 16. d
17. d 18. a 19. b 20. b
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1. d 2. b 3. d 4. b
5. b 6. a 7. a 8. a
9. a 10. c 11. c 12. a
13. a 14. d 15. d 16. d
17. d 18. a 19. b 20. b
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18.04.202516:38
Answer Key:
1. b 2. c 3. b 4. a 5. c 6. d 7. d 8. a 9. d 10. b 11. b 12. a 13. a 14. a 15. b 16. a 17. d 18. a 19. a 20. a
1. b 2. c 3. b 4. a 5. c 6. d 7. d 8. a 9. d 10. b 11. b 12. a 13. a 14. a 15. b 16. a 17. d 18. a 19. a 20. a
16.04.202517:45
ENGLISH SHORT SPOKEN EXPRESSIONS
✏️ WHATS UP: a short casual way to ask how someone is (Afaan Oromootiin "Maaltu haarawa" akka jechuuti)
✏️NO WORRIES: Means "It's okay" or "Don't worry about it. (Humaa hin yaadin)
✏️I'M ON IT: Means " I will do it now." (Ammaan godha)
✏️LONG TIME NO SEE: Used when we meet someone after a long time. (Ergaan si hin argin ture)
✏️SOUNDS GOOD!: Means that is good idea. (Yaada gaari)
✏️I'M ALL EARS: Means "I'm listening carefully". (Si faanaan jira/ Si caqasaatiion jira)
✏️TAKE IT EASY: Means "Relax" or "Don't stress" (Hin yaaddawin/ Kun si hin yaachisin).
✏️LET ME KNOW: Means "Tell me later when you decide" (Booda na beeksisi)
✏️MY BAD!: Means "It is my mistake" (Badiin tiyya)
✏️NO WAY: Means "I can't believe it!" (Gonkumaa hin fudhu)
✏️FANCY A CUPPA: Means "Do you want a cup of tea?" (Shaayii dhugdaa?)
✏️GIVE IT A GO: Means "Try it" (Itti yaali)
✏️BOB'S YOUR UNCLE: Means "That's it" or "Simple as that" (Kunoo sanuma)
✏️OFF YOU GO: Means "You kan leave now" (Deemu dandeessa)
✏️YOU ALRIGHT?: Means "How are you?" (Fayyaa keetii?)
✏️ STOP FAFING AROUND: Means "Stop wasting time" (Yeroo hin gubin).
KEEP YOUR CHIN UP: Means "Stay positive"
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✏️ WHATS UP: a short casual way to ask how someone is (Afaan Oromootiin "Maaltu haarawa" akka jechuuti)
✏️NO WORRIES: Means "It's okay" or "Don't worry about it. (Humaa hin yaadin)
✏️I'M ON IT: Means " I will do it now." (Ammaan godha)
✏️LONG TIME NO SEE: Used when we meet someone after a long time. (Ergaan si hin argin ture)
✏️SOUNDS GOOD!: Means that is good idea. (Yaada gaari)
✏️I'M ALL EARS: Means "I'm listening carefully". (Si faanaan jira/ Si caqasaatiion jira)
✏️TAKE IT EASY: Means "Relax" or "Don't stress" (Hin yaaddawin/ Kun si hin yaachisin).
✏️LET ME KNOW: Means "Tell me later when you decide" (Booda na beeksisi)
✏️MY BAD!: Means "It is my mistake" (Badiin tiyya)
✏️NO WAY: Means "I can't believe it!" (Gonkumaa hin fudhu)
✏️FANCY A CUPPA: Means "Do you want a cup of tea?" (Shaayii dhugdaa?)
✏️GIVE IT A GO: Means "Try it" (Itti yaali)
✏️BOB'S YOUR UNCLE: Means "That's it" or "Simple as that" (Kunoo sanuma)
✏️OFF YOU GO: Means "You kan leave now" (Deemu dandeessa)
✏️YOU ALRIGHT?: Means "How are you?" (Fayyaa keetii?)
✏️ STOP FAFING AROUND: Means "Stop wasting time" (Yeroo hin gubin).
KEEP YOUR CHIN UP: Means "Stay positive"
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15.04.202507:38
🎯Geography irratti Gaafilee waa'ee knowledge/Concept qabxiilee asii gadii kunneen dhufee?? Dhufe yoo tahe ati deebistee jirtaa??? Yoo hin deebisne tahe Maalif deebisuu dhabee dhiisii ammuma sirritti qabdhu!!
1. Geography: The study of Earth's surface, its physical features, and human activity.
2. Location: The position of something on Earth's surface.
3. Absolute Location: Exact location using coordinates (latitude, longitude).
4. Relative Location: Location in relation to other places.
5. Place: A specific point on Earth with unique human and physical characteristics.
6. Region: An area with unifying characteristics.
7. Formal Region: An area defined by a common characteristic.
8. Functional Region: An area defined by a common activity or interaction.
9. Perceptual Region: An area defined by subjective perceptions.
10. Scale: The relationship between distances on a map and distances on the ground.
11. Map: A representation of Earth's surface or part of it.
12. Map Projection: A way to represent the curved surface of the Earth on a flat map.
13. Latitude: Lines running east-west that measure distance north and south of the equator.
14. Longitude: Lines running north-south that measure distance east and west of the prime meridian.
15. Equator: 0° latitude, dividing Earth into Northern and Southern Hemispheres.
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16. Prime Meridian: 0° longitude, dividing Earth into Eastern and Western Hemispheres.
17. Hemisphere: Half of the Earth (Northern, Southern, Eastern, Western).
18. Grid System: A network of lines (latitude and longitude) used for locating places.
19. Spatial: Relating to space.
20. Distribution: The arrangement of features on Earth's surface.
21. Pattern: The spatial arrangement of features.
22. Density: The number of features per unit area.
23. Dispersion: The pattern of spacing among individuals within a population.
24. Flow: Movement of people, goods, or information.
25. Distance Decay: The diminishing interaction between places as distance increases.
26. Diffusion: The spread of ideas, innovation, or disease.
27. Relocation Diffusion: The spread of an idea or innovation through physical movement.
28. Expansion Diffusion: The spread of an idea or innovation from a central source outward.
29. Globalization: Increasing interconnectedness of the world through economic, political, and cultural exchange.
30. Accessibility: The ease of reaching a place.
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31. Landform: A natural feature of the Earth's surface.
32. Mountain: A large landform that rises prominently above its surroundings.
33. Hill: A raised landform, smaller than a mountain.
34. Plateau: A flat, elevated landform.
35. Plain: A flat, low-lying landform.
36. Valley: A low area between hills or mountains.
37. Canyon: A deep, narrow valley with steep sides.
38. Glacier: A large mass of ice that moves slowly over land.
39. River: A large natural stream of water flowing in a channel.
40. Lake: A large body of water surrounded by land.
41. Ocean: A large body of saltwater.
42. Coastline: The boundary between land and ocean or lake.
43. Erosion: The process by which soil and rock are worn away by natural forces.
44. Weathering: The breakdown of rocks into smaller pieces.
45. Deposition: The process by which sediments are laid down.
46. Tectonic Plate: A large piece of Earth's lithosphere that moves.
47. Plate Boundary: The boundary between tectonic plates.
48. Earthquake: A sudden shaking of the Earth's crust due to movement of tectonic plates.
49. Volcano: A vent in the Earth's crust through which molten rock, ash, and gases erupt.
50. Climate: The long-term average weather pattern in a region.
51. Weather: The short-term atmosphere pattern
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1. Geography: The study of Earth's surface, its physical features, and human activity.
2. Location: The position of something on Earth's surface.
3. Absolute Location: Exact location using coordinates (latitude, longitude).
4. Relative Location: Location in relation to other places.
5. Place: A specific point on Earth with unique human and physical characteristics.
6. Region: An area with unifying characteristics.
7. Formal Region: An area defined by a common characteristic.
8. Functional Region: An area defined by a common activity or interaction.
9. Perceptual Region: An area defined by subjective perceptions.
10. Scale: The relationship between distances on a map and distances on the ground.
11. Map: A representation of Earth's surface or part of it.
12. Map Projection: A way to represent the curved surface of the Earth on a flat map.
13. Latitude: Lines running east-west that measure distance north and south of the equator.
14. Longitude: Lines running north-south that measure distance east and west of the prime meridian.
15. Equator: 0° latitude, dividing Earth into Northern and Southern Hemispheres.
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16. Prime Meridian: 0° longitude, dividing Earth into Eastern and Western Hemispheres.
17. Hemisphere: Half of the Earth (Northern, Southern, Eastern, Western).
18. Grid System: A network of lines (latitude and longitude) used for locating places.
19. Spatial: Relating to space.
20. Distribution: The arrangement of features on Earth's surface.
21. Pattern: The spatial arrangement of features.
22. Density: The number of features per unit area.
23. Dispersion: The pattern of spacing among individuals within a population.
24. Flow: Movement of people, goods, or information.
25. Distance Decay: The diminishing interaction between places as distance increases.
26. Diffusion: The spread of ideas, innovation, or disease.
27. Relocation Diffusion: The spread of an idea or innovation through physical movement.
28. Expansion Diffusion: The spread of an idea or innovation from a central source outward.
29. Globalization: Increasing interconnectedness of the world through economic, political, and cultural exchange.
30. Accessibility: The ease of reaching a place.
More @SAGALEESABAA
31. Landform: A natural feature of the Earth's surface.
32. Mountain: A large landform that rises prominently above its surroundings.
33. Hill: A raised landform, smaller than a mountain.
34. Plateau: A flat, elevated landform.
35. Plain: A flat, low-lying landform.
36. Valley: A low area between hills or mountains.
37. Canyon: A deep, narrow valley with steep sides.
38. Glacier: A large mass of ice that moves slowly over land.
39. River: A large natural stream of water flowing in a channel.
40. Lake: A large body of water surrounded by land.
41. Ocean: A large body of saltwater.
42. Coastline: The boundary between land and ocean or lake.
43. Erosion: The process by which soil and rock are worn away by natural forces.
44. Weathering: The breakdown of rocks into smaller pieces.
45. Deposition: The process by which sediments are laid down.
46. Tectonic Plate: A large piece of Earth's lithosphere that moves.
47. Plate Boundary: The boundary between tectonic plates.
48. Earthquake: A sudden shaking of the Earth's crust due to movement of tectonic plates.
49. Volcano: A vent in the Earth's crust through which molten rock, ash, and gases erupt.
50. Climate: The long-term average weather pattern in a region.
51. Weather: The short-term atmosphere pattern
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14.04.202518:45
GRADE 8 Review Questions
👌500 multiple choice questions in each
(From our esteemed members)
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👌500 multiple choice questions in each
(From our esteemed members)
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13.04.202518:01
📌 BIOLOGY common questions about photosynthesis
1. What is the primary function of the light-dependent reactions in photosynthesis?
a) Production of glucose
b) Generation of ATP and NADPH
c) Absorption of carbon dioxide
d) Release of oxygen
2. Where do the light-dependent reactions take place in a plant cell?
a) Stroma
b) Thylakoid membrane
c) Cytoplasm
d) Nucleus
3. Which molecule is split during the light-dependent reactions to release oxygen?
a) Water
b) Carbon dioxide
c) Glucose
d) ATP
4. What is the role of photosystem II in the light-dependent reactions?
a) Production of NADPH
b) Absorption of light energy
c) Splitting water molecules
d) Release of oxygen
5. Which molecule acts as an electron carrier in the light-dependent reactions?
a) NADP+
b) ATP
c) Glucose
d) Carbon dioxide
6. What is the primary product of the light-independent reactions (Calvin cycle)?
a) Oxygen
b) Glucose
c) ATP
d) NADPH
7. In which part of the chloroplast does the Calvin cycle occur?
a) Thylakoid membrane
b) Stroma
c) Grana
d) Cytoplasm
8. What is the role of rubisco in the Calvin cycle?
a) Capture of light energy
b) Fixation of carbon dioxide
c) Production of ATP
d) Release of oxygen
9. How many molecules of G3P (glyceraldehyde-3-phosphate) are produced in one turn of the Calvin cycle?
a) 1
b) 2
c) 3
d) 6
10. What is the fate of most of the G3P molecules produced in the Calvin cycle?
a) Used to regenerate RuBP
b) Converted into glucose
c) Transferred to the light-dependent reactions
d) Released as waste products
11. Which molecule is responsible for providing the energy needed for the Calvin cycle?
a) ATP
b) NADPH
c) Water
d) Carbon dioxide
12. What is the role of the enzyme RuBisCO in the Calvin cycle?
a) Splitting water molecules
b) Regeneration of RuBP
c) Fixation of carbon dioxide
d) Production of glucose
13. During the light-independent reactions, what happens to the carbon atoms from carbon dioxide?
a) They are released as waste products
b) They are used to produce ATP
c) They are incorporated into organic molecules
d) They are converted into oxygen
14. Which molecule is regenerated at the end of the Calvin cycle to continue the process?
a) RuBP (ribulose bisphosphate)
b) G3P (glyceraldehyde-3-phosphate)
c) NADP+
d) ATP
15. What is the overall purpose of both the light-dependent and light-independent reactions in photosynthesis?
a) To produce oxygen for cellular respiration
b) To convert light energy into chemical energy (ATP and NADPH)
c) To release carbon dioxide into the atmosphere
d) To produce water as a byproduct
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1. What is the primary function of the light-dependent reactions in photosynthesis?
a) Production of glucose
b) Generation of ATP and NADPH
c) Absorption of carbon dioxide
d) Release of oxygen
2. Where do the light-dependent reactions take place in a plant cell?
a) Stroma
b) Thylakoid membrane
c) Cytoplasm
d) Nucleus
3. Which molecule is split during the light-dependent reactions to release oxygen?
a) Water
b) Carbon dioxide
c) Glucose
d) ATP
4. What is the role of photosystem II in the light-dependent reactions?
a) Production of NADPH
b) Absorption of light energy
c) Splitting water molecules
d) Release of oxygen
5. Which molecule acts as an electron carrier in the light-dependent reactions?
a) NADP+
b) ATP
c) Glucose
d) Carbon dioxide
6. What is the primary product of the light-independent reactions (Calvin cycle)?
a) Oxygen
b) Glucose
c) ATP
d) NADPH
7. In which part of the chloroplast does the Calvin cycle occur?
a) Thylakoid membrane
b) Stroma
c) Grana
d) Cytoplasm
8. What is the role of rubisco in the Calvin cycle?
a) Capture of light energy
b) Fixation of carbon dioxide
c) Production of ATP
d) Release of oxygen
9. How many molecules of G3P (glyceraldehyde-3-phosphate) are produced in one turn of the Calvin cycle?
a) 1
b) 2
c) 3
d) 6
10. What is the fate of most of the G3P molecules produced in the Calvin cycle?
a) Used to regenerate RuBP
b) Converted into glucose
c) Transferred to the light-dependent reactions
d) Released as waste products
11. Which molecule is responsible for providing the energy needed for the Calvin cycle?
a) ATP
b) NADPH
c) Water
d) Carbon dioxide
12. What is the role of the enzyme RuBisCO in the Calvin cycle?
a) Splitting water molecules
b) Regeneration of RuBP
c) Fixation of carbon dioxide
d) Production of glucose
13. During the light-independent reactions, what happens to the carbon atoms from carbon dioxide?
a) They are released as waste products
b) They are used to produce ATP
c) They are incorporated into organic molecules
d) They are converted into oxygen
14. Which molecule is regenerated at the end of the Calvin cycle to continue the process?
a) RuBP (ribulose bisphosphate)
b) G3P (glyceraldehyde-3-phosphate)
c) NADP+
d) ATP
15. What is the overall purpose of both the light-dependent and light-independent reactions in photosynthesis?
a) To produce oxygen for cellular respiration
b) To convert light energy into chemical energy (ATP and NADPH)
c) To release carbon dioxide into the atmosphere
d) To produce water as a byproduct
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