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Николаевский Ванёк

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Мир сегодня с "Юрий Подоляка"

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Труха⚡️Україна

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Николаевский Ванёк

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DABOO ACADAMY

29.04.202516:27

SAT EUEE with Answers

👉ANALOGY
1. GALLON: LITRE
A. Mile: kilometer
B. Kilometer: meter
C. yard: pound
D. pound: weight

Answer A
-Gallon= measurement of liquid i.e 4.5 litres.
-Mile= measurement of distance i.e. around 1.6 kms.

2. BELT: WAIST
A. Watch: arm
B. Shoe: leg
C. stockings: glove
D. bracelet: wrist

Answer D
-Belt= clothing worn around the waist
-Bracelet= a kind of jewelry worn around the wrist or arm.

3. NATIVE: FOREIGN
A. Mean: unkind
B. Naïve: sophisticated
C. domestic: homegrown
D. local: import

Answer B
-Native= local/homemade is antonym of foreign.
Naïve=lacking experience
Sophisticated =well experienced
-The relation is opposite to each other.

4. QUIET is to NOISY as CALM is to _.
A. Agitated
B. slow
C. dormant
D. arrogance

Answer A
-Quiet is the opposite of noisy,
-agitate is the opposite of calm.

5. WAR is to DESTRUCTION as GERM is to __.
A. Doctor
B. bacteria
C. hospital
D. disease

Answer D
-The relation between war and destruction is cause and effect. Therefore, the effect of germ is disease.

6. MOUNT is to HORSE as ___ is to TRAIN
A. Ride
B. board
C. lift
D. drive

Answer B
-Action of getting on a horse is mount, action of getting on a train is board.
Board = getting on a vehicle

7. HIRE is to FIRE as SELECT is to____.
A. Receive
B. employ
C. reject
D. admit

Answer C
-Hire/employ and fire are opposite events. Then, select and reject are alsoopposite.

👉SYNONYMS = Words with similar meaning

8. EXTINGUISH
A. Switch off
B. turn on
C. distinguish
D. ignite

Answer A
-Extinguish= put out the light
-Switch off= turn off

9. PERSEVERANCE
A. Severity of disease
B. Frequent suffering
C. lack of energy
D. continuity of effort

Answer D
-Perseverance= constant effort to achieve something = continuity of effort

10. INDEPENDENCE
A. Individualism
B. colonialism
C. sovereignty
D. cordiality

Answer C
-Independence = state of being independent
-Sovereignty = of the highest power, without limit

👉ANTONYMS = words with opposite meaning

11. EXTRAORDINARY
A. Unexpected
B. unique
C. usual
D. amazing

Answer C
-Extraordinary = beyond what is used, remarkable
-Usual = commonly happens

12. FOLLOW
A. Go behind
B. trail
C. precede
D. go after

Answer C
-Follow = come or go after
-Precede = come or go before

13. FRAUD
A. Fragile
B. fake
C. scam
D. authentic

Answer. D
-Fraud = deceptive
-Authentic = genuine, known to be true.

14. DOMESTIC
A. Foreign
B. neighbourhood
C. household
D. local

Answer A
-Domestic = of the home
-Foreign = from another country

15. SINCERE
A. Genuine
B. dishonest
C. dissent
D. disapprove

Answer B
-Sincere = genuine
-Dishonest = intended to cheat, deceive or misuse

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25.04.202515:47

DABOO ACADAMY:
Family yeroo tokko tokkommoo qoosaa dubbisuun sammuu keessan bohaarsaa fayyummaa keessaniif gaariidhaa. Kanaafis channel qoosaa isiniif baneera ammuma seenaa.

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24.04.202513:36

Barattoota qofaaf channel isin fayyadu isinii baneen jira seenaa itti dabalamaa.

https://t.me/ABDII_OROMOO
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22.04.202515:35

we will start quiz tomorrow.
But we want your reaction❤❤.

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17.04.202514:23

Are you student?

01.04.202515:27

📌 Cell Parts/Function Practice Test

1. Which cell feature is responsible for making proteins?
A: lysosomes
B: ribosomes
C: mitochondria

2. What is the name of the jelly-like substance that is inside the cell?
A: cytoplasm
B: ectoplasm
C: cytokinesis

3. What cell feature is responsible for powering the cell?
A: endoplasmic reticulum
B: golgi bodies
C: mitochondria

4. Where in the cell does chromatin (DNA) found?
A: ribosomes
B: nucleus
C: nucleolus

5. What are two features that plant cells have that animal cells do not?
A: lysosome and cell walls
B: cell wall and chloroplasts
C: cell membrane and nucleolus

6. What cell feature contains digestive enzymes which breaks things down?
A: lysosomes
B: ribosomes
C: vacuoles

7. Which cell feature packages and moves things around the cell?
A: endoplasmic reticulum
B: chloroplasts
C: golgi bodies

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28.04.202503:22

Part 2

HUMAN GENOME QUIZ

Instructions: Choose the best answer for each question.

11. Copy Number Variations (CNVs) refer to:
(a) Variations in the number of chromosomes.
(b) Variations in the number of copies of specific DNA segments.
(c) Variations in the number of ribosomes.
(d) Variations in the number of SNPs

12. Pharmacogenomics studies:
(a) The structure of pharmaceutical drugs.
(b) How genes affect a person's response to drugs.
(c) The development of new antibiotics.
(d) The metabolism of nutrients.

13. Gene therapy aims to:
(a) Eliminate all viruses from the body.
(b) Repair or replace faulty genes.
(c) Create genetically modified organisms.
(d) Cure all genetic diseases.

14. CRISPR-Cas9 is a technology used for:
(a) Sequencing DNA.
(b) Editing genes.
(c) Creating transgenic animals.
(d) Diagnosing genetic diseases.

15. What is a haplotype?
(a) A single nucleotide polymorphism
(b) A set of DNA variations (or polymorphisms) that tend to be inherited together
(c) A type of protein
(d) A type of RNA

16. What is the role of telomeres?
(a) To initiate DNA replication.
(b) To protect the ends of chromosomes from degradation.
(c) To regulate gene expression.
(d) To repair damaged DNA.

17. Most human genetic variation is found:
(a) Between different continents.
(b) Within populations.
(c) Between different species.
(d) Between males and females.

18. What is alternative splicing?
(a) A process that results in multiple different proteins from a single gene.
(b) A process that repairs damaged DNA.
(c) A process that replicates DNA.
(d) A process that degrades RNA.

19. What is the ENCODE project?
(a) A project to eradicate all genetic diseases.
(b) A project to develop new gene editing technologies.
(c) A project to identify all functional elements in the human genome.
(d) A project to clone extinct animals.
20. What is a pseudogene?
(a) A gene that is actively expressed at very high levels.
(b) A nonfunctional gene that resembles a functional gene.
(c) A gene that is involved in DNA replication.
(d) A gene that codes for a regulatory protein.

Answer Key (Hidden - reveal after answering):

1. (c)
2. (c)
3. (c)
4. (d)
5. (c)
6. (c)
7. (b)
8. (b)
9. (b)
10. (c)
11. (b)
12. (b)
13. (b)
14. (b)
15. (b)
16. (b)
17. (b)
18. (a)
19. (c)
20. (b)

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Reposted from:

ABDII OROMOO

25.04.202509:55

📚 EUEE ENGLISH Exam Focus Areas: Based on 1995-2015EC Exams (Ethiopia)

Grammar Focus Areas

1. Tenses
2. Passive and Active Voices
3. Subject Verb Agreement
4. Adverbial Clauses and Related
A. Common Clauses
   ☞ Reason clauses
   ☞ Result clauses
   ☞ Contrast clauses
   ☞ Purpose clauses
   ☞ Relative clauses
   ☞ Time clauses
B. Other Transitional Words to:
   ☞ give emphasis
   ☞ focus attention on what follows
   ☞ give additional ideas
   ☞ give examples
   ☞ show sequence/order of events:
   ☞ show different ideas
5. Comparisons
6. As, like, as if, as though.. .
7.Conditional Clauses:
8.Regret/wish/unreal...
9.Quantifiers
   ☞ Each and Every
   ☞ No
   ☞ None
   ☞ Any and Some
   ☞ No one, Someone…
   ☞ Little and A little
   ☞ A few, Few and others
10. Uses of Modal Verbs
   ☞ Obligation
   ☞ Absence of Obligation
   ☞ Possibility
   ☞ Deduction
   ☞ Ability
   ☞ Permission and Request
   ☞ Suggestion and Advice
11. Gerund, Infinitive & Participle
12. Parts of Speeches and Others
☞ Nouns, Pronouns, Verbs
☞ Adverbs, Adjectives, Articles
☞ Conjunctions, prepositions
☞ Word formations
☞ Use of had better, no sooner...
13. Questions and Related Areas
☞ Wh-word questions
☞ Tag questions
☞ Yes or No questions
☞ Indirect questions.. .
14. Verbs and their Types
A. Main Verbs:
   ☞ Action Verbs
   ☞ State Verbs
   ☞ Transitive Verbs
   ☞ Intransitive Verbs
B. Auxiliary Verbs:
   ☞ Verb to be
   ☞ Verb to have
   ☞ Verb to do
   ☞ Modal Verbs

15.Communicative Activities Focus Areas

☞ Advice
☞ Permission
☞ Request
☞ Opinion
☞ Agreement
☞ Telephoning
☞ Direction
☞ Shopping
☞ Help
☞ Greeting/Introduction
☞ Other contextual areas

SABA GUDDAA WAAN TAANEEF MIIDIYAA GUDDAATU NUUF MALA!

📡 MIIDIYAA @ABDII_OROMOO 📡

24.04.202511:04

Translation and rotation are two fundamental transformations in geometry that can be applied to shapes or objects in a plane or space.

▎Translation

Definition: Translation involves moving every point of a shape or object a certain distance in a specified direction without changing its orientation or size.

Key Features:

• Direction and Distance: Each point of the object moves the same distance in the same direction.

• Preservation of Shape: The shape, size, and orientation remain unchanged.

• Vector Representation: Translations can be represented using vectors. For example, translating a point (x, y) by a vector (a, b) results in the new point (x + a, y + b) .

▎Rotation

Definition: Rotation involves turning a shape or object around a fixed point, known as the center of rotation, by a certain angle.

Key Features:

• Center of Rotation: The point around which the object rotates can be inside or outside the object.

• Angle of Rotation: The amount of turning is specified by an angle (measured in degrees or radians).

• Preservation of Shape: Like translation, rotation preserves the shape and size of the object. However, the orientation changes.

• Mathematical Representation: For a point (x, y) rotated around the origin by an angle θ , the new coordinates can be calculated using:

x' = x cos(θ) - y sin(θ)

y' = x sin(θ) + y cos(θ)

▎Summary

• Translation moves objects without altering their shape or orientation.

• Rotation changes the orientation of objects while keeping their shape and size intact.

Both transformations are essential in various fields such as computer graphics, robotics, and physics, allowing for the manipulation and analysis of geometric figures.

React godhaamee❤❤❤❤

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ABDII OROMOO

20.04.202504:53

Ayyaana kanaan guyyaa kolfaaf bohaartii qabaachuu barbaaddu taanaan ammuma channel gadii join godhaa guyyaa gaariis dabarsaa.

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16.04.202512:48

Quiz time! 🧠 How many did you get right out of 10? React below!

0. 😂
1. 😭
2. 😱
3. 😍
4. 💔
5. 👏
6. ❤
7. 🙏
8. 😁
9. 👍

10.🏆

╔══════════════════╗
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01.04.202502:39

🙏Gaaffii har'af qabanne xumurreerra

➩ 5 keessa hamma argattan reaction dhaan agarsiisaa👇
0.😭
1.😁
2.👍
3.👏
4.😍
5.❤

⚜Waan nu waliin turtaniif galanni keenya guddaadha

🔉Guyyaa gaarii

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27.04.202516:22

HUMAN GENOME QUIZ

Instructions: Choose the best answer for each question.

1. The human genome is primarily composed of:
(a) Genes coding for proteins
(b) Ribosomal RNA
(c) Non-coding DNA
(d) Transfer RNA

2. Approximately what percentage of the human genome codes for proteins?
(a) 50%
(b) 10%
(c) 2%
(d) 98%

3. A gene is best defined as:
(a) The sequence of DNA that codes for a single protein.
(b) The basic unit of heredity, passed from parent to offspring
(c) A segment of DNA that codes for a functional product (protein or RNA).
(d) A region of DNA that regulates protein synthesis.

4. The central dogma of molecular biology describes the flow of genetic information as:
(a) Protein → RNA → DNA
(b) DNA → Protein → RNA
(c) RNA → DNA → Protein
(d) DNA → RNA → Protein

5. Which of the following is a type of repetitive DNA sequence found in the human genome?
(a) Exons
(b) Introns
(c) Transposons
(d) Promoters

6. What is the primary purpose of the Human Genome Project?
(a) To develop gene therapy techniques
(b) To identify all human genes and determine their functions.
(c) To map the entire human genome sequence.
(d) To understand the genetic basis of all human diseases

7. SNPs (Single Nucleotide Polymorphisms) are:
(a) Large-scale chromosomal rearrangements.
(b) Variations in a single nucleotide within a DNA sequence.
(c) Insertions of long stretches of DNA.
(d) Deletions of genes

8. The term "epigenetics" refers to:
(a) The study of mutations in the DNA sequence
(b) The study of heritable changes in gene expression that occur without changes to the DNA sequence.
(c) The study of evolutionary relationships between organisms.
(d) The study of protein structure.

9. Which of the following is an example of an epigenetic modification?
(a) DNA replication
(b) DNA methylation
(c) DNA transcription
(d) DNA translation

10. What is the role of microRNAs (miRNAs)?
(a) To transport amino acids during translation
(b) To catalyze DNA replication
(c) To regulate gene expression by binding to mRNA
(d) To repair damaged DNA

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25.04.202506:01

📚 20 CHEMISTRY TERMINOLOGIES AND THEIR MEANINGS

1. ATOM:
~ It is the smallest part of an element that can ever exist and still possess the chemical properties of that element or
~ it is the smallest particle of an element which can take part in a chemical reaction.

2. IONS:
~Is any atom or group of atoms which posses an electric charge. Examples are: Cl-, Na+, SO2-, NO- etc

3. MOLECULES:
~Smolecule is the smallest particle of a substance that can normally exist alone and still the chemical properties of that substance, be it an element or a compound. Eg:-O2, H2O,CH4,C2H5OH etc

4. ELEMENT:
~An element is a substance which cannot be split into simpler units by an ordinary chemical process.
Eg.Hydrogen(H),Oxygen(O), Neon(Ne) etc

5. COMPOUND:
~Is a substance which contains two or more elements chemically combined together. Eg:- H2O, H2SO4, ZnO etc

6. MIXTURE:
~Contains two or more constituents w/c can easily be separated by physical method.Eg: air, soil, palm wine, blood etc.

7. VALENCY:
~Is the combining power of elements and is the number of hydrogen atoms that can combine with or replace ( either directly or indirectly) one atom or that element.

8. ATOMIC NUMBER(Z):
~ Is the number of protons in one atom of an element.

9. ATOMIC MASS(A):
~Is the sum of the protons and neutrons contain in an atom of an element.

10.ISOTOPY:
~Is a phenomenon whereby atoms of an element exhibit different mass numbers but have the same atomic number. Example is: Cl - 35 & Cl -37,

11. ACID:
~ Is a substance which produces hydrogen ions ( or protons) as the only positive ion when dissolved in water . Examples are: HCl, HNO3 etc

12. BASE:
~Is a substance which will neutralize an acid to yield a salt and water only. Examples are: NaOH, Ca(OH)2 etc

13. SAlT:
~Is the compound formed when all or part of the ionizable hydrogen of an acid is replaced by metallic or ammonium ions. Eg:- NaCl, KHSO4, Zn(OH)Cl etc

14. METAL:
~ Is an element that ionized by electron lost. Examples are: K, Na, Cu, Mg etc

15. NON METAL:
~Is an element that ionized by electron gain. Examples are: O, Br, N etc

16. AQUEOUS:
~Solution of a substance in water.

17. ALLOTROPY:
~Is the ability of an element to exist in various forms in the same physical state, eg allotropes of carbon: diamond and graphite.

18. ELECTRON:
~Is the negatively charged particle of an atom that orbits the nucleus .

19. INORGANIC:
~Are compounds that are not derived from living organisms and typically do not contain C-H bond.

20. ORGANIC:
~Are compounds derived from living organisms and typically contain C-H bond.

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24.04.202505:18

📚 important terms in history for EUEE

1. Civilization: A complex society characterized by urban development, social stratification, cultural achievements, and a system of governance.

2. Empire: A large political unit or state that exerts control over territories and peoples through conquest, colonization, or annexation.

3. Feudalism: A social and economic system prevalent in medieval Europe where land was held by lords in exchange for military service, and peasants worked the land in return for protection.

4. Revolution: A significant and rapid change in political, social, or economic structures, often involving the overthrow of a government or ruling authority.

5. Colonialism: The practice of acquiring control over foreign territories, exploiting resources, and establishing settlements, often accompanied by the subjugation of local populations.

6. Renaissance: A cultural movement in Europe from the 14th to the 17th century marked by a revival of interest in art, science, and classical learning.

7. Industrialization: The process by which economies transition from agrarian-based to industrial-based systems, characterized by the growth of factories and mass production.

8. Nationalism: A political ideology that emphasizes the interests and culture of a particular nation or group, often leading to the desire for self-governance or independence.

9. Totalitarianism: A political system in which the state holds total authority over society and seeks to control all aspects of public and private life.

10. Socialism: An economic and political system advocating for collective or governmental ownership and administration of the means of production and distribution.

11. Democracy: A system of government in which power is vested in the people, who exercise that power directly or through elected representatives.

12. Monarchy: A form of government where a single ruler (king or queen) holds supreme authority, often hereditary.

13. Treaty: A formal agreement between two or more sovereign states, often concluding a conflict or establishing terms for cooperation.

14. Genocide: The deliberate and systematic extermination of a particular ethnic, national, or religious group.

15. Cultural Diffusion: The spread of cultural beliefs and social activities from one group to another, often through trade, migration, or conquest.

16. Archaeology: The scientific study of human history and prehistory through excavation and analysis of artifacts, structures, and other physical remains.

17. Historiography: The study of how history is written and interpreted, including the methods and biases of historians.

18. Primary Source: An original document or artifact created during the time under study, providing firsthand evidence of historical events.

19. Secondary Source: A work that interprets or analyzes primary sources, often created after the time period being studied.

20. Manifest Destiny: A 19th-century doctrine that the expansion of the United States across the American continents was both justified and inevitable.

21. Cold War: A period of geopolitical tension between the Soviet Union and the United States after World War II, characterized by ideological conflict and proxy wars.

22. Civil Rights Movement: A social movement in the United States during the 1950s and 1960s aimed at ending racial discrimination and securing equal rights for African Americans.

23. Imperialism: The policy or ideology of extending a country’s power and influence through diplomacy or military force to control other nations or regions.

24. Reformation: A religious movement in the 16th century that led to the establishment of Protestant churches and significant changes in Christianity.

25. Suffrage: The right to vote in political elections; movements advocating for suffrage have historically sought to extend this right to disenfranchised groups.

26. Enlightenment: An intellectual movement in the 17th and 18th centuries emphasizing reason, individualism, and skepticism of traditional authority, leading to advances in philosophy and political thought.

20.04.202504:00

Mat. 28
¯¯¯¯¯¯¯¯¯¯
⁵........., "Isin Yesusin isa fannifamee ture akka barbaaddan anuu beeka. Hin sodaatinaa!
⁶ Inni as hin jiru, akkuma jedhe ka'eera; kottaa iddoo reeffi isaa ka'ame ture iyyuu ilaalaa!

✞✞Baga guyyaa yaadannoo gooftaa keenyaa yesuus kiristoosii bara 2017 nagaan geessaan.✞✞

            ✞✞Ayyaana gaarii✞✞❤
                              ✞✞✞
                            ✞✞✞
                              ✞✞✞
              ✞✞✞✞✞✞✞✞✞✞✞✞✞
              ✞✞✞✞✞✞✞✞✞✞✞✞✞
                              ✞✞✞
                            ✞✞✞
                              ✞✞✞
                              ✞✞✞
                              ✞✞✞
                            ✞✞✞
✞✞✞✞✞✞✞✞✞✞✞✞✞✞✞✞✞✞✞✞✞✞✞

Reposted from:

ABDII OROMOO

15.04.202504:43

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

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

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31.03.202508:01

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26.04.202516:27

Aptitude Analogy questions

1. "Ocean" is to "Water" as "Forest" is to:
   a) Grass
   b) Leaves
   c) Trees
   d) Animals
   Answer: c) Trees
   Explanation: The ocean is made up of water, just as the forest is made up of trees.

2. "Sun" is to "Day" as "Moon" is to:
   a) Night
   b) Stars
   c) Sky
   d) Darkness
   Answer: a) Night
   Explanation: The sun is associated with the day, and similarly, the moon is associated with the night.

3. "Butterfly" is to "Cocoon" as "Bird" is to:
   a) Eggs
   b) Nest
   c) Wings
   d) Beak
   Answer: a) Eggs
   Explanation: A butterfly emerges from a cocoon, and a bird hatches from an egg.

4. "Library" is to "Books" as "Garden" is to:
   a) Trees
   b) Flowers
   c) Soil
   d) Seeds
   Answer: b) Flowers
   Explanation: Libraries house books, and gardens are known for their flowers.

5. "Doctor" is to "Hospital" as "Teacher" is to:
   a) Classroom
   b) Books
   c) Students
   d) Exams
   Answer: a) Classroom
   Explanation: Doctors work in hospitals, just as teachers work in classrooms.

6. "Fish" is to "Swim" as "Bird" is to:
   a) Walk
   b) Fly
   c) Sing
   d) Nest
   Answer: b) Fly
   Explanation: Fish swim in water, and birds fly in the air.

7. "Pen" is to "Ink" as "Pencil" is to:
   a) Eraser
   b) Lead
   c) Paper
   d) Sharpener
   Answer: b) Lead
   Explanation: Pens use ink to write, and pencils use lead.

8. "Car" is to "Road" as "Boat" is to:
   a) Ocean
   b) Sky
   c) Dock
   d) Captain
   Answer: a) Ocean
   Explanation: Cars drive on roads, while boats sail on the ocean.

9. "Candle" is to "Flame" as "Lamp" is to:
   a) Wire
   b) Light
   c) Shade
   d) Switch
   Answer: b) Light
   Explanation: A candle has a flame, and a lamp produces light.

10. "Bee" is to "Honey" as "Cow" is to:
    a) Meat
    b) Hay
    c) Milk
    d) Grass
    Answer: c) Milk
    Explanation: Bees produce honey, and cows produce milk.

11. "Journey" is to "Travel" as "Study" is to:
    a) Learn
    b) School
    c) Read
    d) Homework
    Answer: a) Learn
    Explanation: A journey involves travel, just as studying involves learning.

12. "Rain" is to "Wet" as "Fire" is to:
    a) Heat
    b) Smoke
    c) Ashes
    d) Burn
    Answer: a) Heat
    Explanation: Rain makes things wet, while fire produces heat.

13. "Plane" is to "Fly" as "Submarine" is to:
    a) Dive
    b) Float
    c) Sail
    d) Sink
    Answer: a) Dive
    Explanation: Planes fly in the air, whereas submarines dive underwater.

14. "Clock" is to "Time" as "Thermometer" is to:
    a) Heat
    b) Temperature
    c) Weather
    d) Rain
    Answer: b) Temperature
    Explanation: A clock measures time, and a thermometer measures temperature.

15. "Doctor" is to "Medicine" as "Chef" is to:
    a) Ingredients
    b) Knife
    c) Food
    d) Recipe
    Answer: c) Food
    Explanation: Doctors work with medicine, while chefs work with food.

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24.04.202516:18

📚 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.

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.

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.

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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23.04.202516:17

▎Questions On Cell Biology

1. What is the basic unit of life?
   a) Tissue
   b) Organ
   c) Cell
   d) Organism

2. Which organelle is known as the powerhouse of the cell?
   a) Nucleus
   b) Ribosome
   c) Mitochondria
   d) Golgi apparatus

3. What structure regulates the passage of substances in and out of the cell?
   a) Cell wall
   b) Plasma membrane
   c) Cytoplasm
   d) Endoplasmic reticulum

4. Which of the following is NOT found in prokaryotic cells?
   a) Ribosomes
   b) DNA
   c) Nucleus
   d) Plasma membrane

5. What is the function of ribosomes?
   a) Energy production
   b) Protein synthesis
   c) Lipid synthesis
   d) DNA replication

6. Which part of the cell contains the genetic material?
   a) Cytoplasm
   b) Nucleus
   c) Golgi apparatus
   d) Mitochondria

7. What is the jelly-like substance inside the cell called?
   a) Nucleoplasm
   b) Cytosol
   c) Cytoplasm
   d) Chloroplast

8. Which organelle is responsible for photosynthesis in plant cells?
   a) Mitochondria
   b) Chloroplast
   c) Ribosome
   d) Lysosome

9. What structure gives plant cells their rigidity?
   a) Plasma membrane
   b) Cell wall
   c) Cytoplasm
   d) Nucleus

10. During which phase of the cell cycle does DNA replication occur?
    a) G1 phase
    b) S phase
    c) G2 phase
    d) M phase

11. What is the primary function of the endoplasmic reticulum?
    a) Energy production
    b) Protein and lipid synthesis
    c) Photosynthesis
    d) Waste removal

12. Which type of cell division results in two identical daughter cells?
    a) Meiosis
    b) Mitosis
    c) Binary fission
    d) Both b and c

13. What is apoptosis?
    a) Cell division
    b) Programmed cell death
    c) Cell growth
    d) Cell differentiation

14. Which organelle is involved in packaging and transporting proteins?
    a) Lysosome
    b) Golgi apparatus
    c) Ribosome
    d) Nucleus

15. What is the role of lysosomes in the cell?
    a) Energy production
    b) Digestion and waste removal
    c) Protein synthesis
    d) Photosynthesis

▎Answers

1. c) Cell

2. c) Mitochondria

3. b) Plasma membrane

4. c) Nucleus

5. b) Protein synthesis

6. b) Nucleus

7. c) Cytoplasm

8. b) Chloroplast

9. b) Cell wall

10. b) S phase

11. b) Protein and lipid synthesis

12. d) Both b and c

13. b) Programmed cell death

14. b) Golgi apparatus

15. b) Digestion and waste removal

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17.04.202514:45

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01.04.202520:03

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30.03.202516:13

EExponential function

1. Which of the following is the general form of an exponential function?
    (A) y = mx + b
    (B) y = ax² + bx + c
    (C) y = a * b^x
    (D) y = log(x)

2. What is the base of the natural exponential function?
    (A) 2
    (B) 10
    (C) π
    (D) e (approximately 2.718)

3. In the exponential function y = 2^x, what happens to y as x increases?
    (A) y decreases
    (B) y increases
    (C) y remains constant
    (D) y approaches zero

4. Which of the following describes the graph of a decreasing exponential function (y = a*b^x where 0 < b < 1)?
    (A) It rises from left to right.
    (B) It falls from left to right.
    (C) It is a straight line.
    (D) It is a parabola.

5. If f(x) = 3^x, what is the value of f(2)?
    (A) 5
    (B) 6
    (C) 8
    (D) 9

6. The graph of an exponential function y = a * b^x always passes through which point?
    (A) (0, 0)
    (B) (1, 0)
    (C) (0, a)
    (D) (a, 0)

7. Which of the following is NOT a real-world application of exponential functions?
    (A) Population growth
    (B) Radioactive decay
    (C) Compound interest
    (D) Linear motion

8. What is the horizontal asymptote of the exponential function y = a * b^x (where b > 0, b ≠ 1)?
    (A) y = a
    (B) x = 0
    (C) y = 0
    (D) There is no horizontal asymptote

9. Which equation represents exponential decay?
    (A) y = 2 * (3)^x
    (B) y = 5 * (1.2)^x
    (C) y = 10 * (0.5)^x
    (D) y = x^2

10. What happens to the value of the exponential function y = a * b^x as x approaches negative infinity, if b > 1?
    (A) y approaches positive infinity
    (B) y approaches negative infinity
    (C) y approaches zero
    (D) y remains constant

Answers:

1. C
2. D
3. B
4. B
5. D
6. C
7. D
8. C
9. C
10. C

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