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📌 Answers
1. a) Chlorophyll
2. b) Gas exchange
3. c) Ferns
4. b) Flower
5. b) Photosynthesis
6. c) Water retention
7. b) Netted leaf venation
8. a) Transport of water and minerals
9. a) Bryophytes
10. b) Stamen
11. b) Pine tree
12. c) Angiosperms
13. c) Support and transport
14. d) Sensory tissue
15. b) Gymnosperms
16. a) Transpiration
17. c) Tomato
18. a) Pollination
19. c) Transporting nutrients
20. a) Protection
21. b) Carrot
22. a) Photosynthesis
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
📌 Answers
1. a) Chlorophyll
2. b) Gas exchange
3. c) Ferns
4. b) Flower
5. b) Photosynthesis
6. c) Water retention
7. b) Netted leaf venation
8. a) Transport of water and minerals
9. a) Bryophytes
10. b) Stamen
11. b) Pine tree
12. c) Angiosperms
13. c) Support and transport
14. d) Sensory tissue
15. b) Gymnosperms
16. a) Transpiration
17. c) Tomato
18. a) Pollination
19. c) Transporting nutrients
20. a) Protection
21. b) Carrot
22. a) Photosynthesis
Grade 9 Biology (25 Questions)ue
1. What is the basic unit of life?
A) Atom
B) Molecule
C) Cell
D) Organ
Answer: C
2. Which organelle is known as the powerhouse of the cell?
A) Nucleus
B) Ribosome
C) Mitochondria
D) Endoplasmic reticulum
Answer: C
3. Which of the following is not a characteristic of living things?
A) Reproduction
B) Growth
C) Movement
D) Rusting
Answer: D
4. What pigment is responsible for photosynthesis?
A) Hemoglobin
B) Chlorophyll
C) Melanin
D) Carotene
Answer: B
5. In which kingdom do we classify mushrooms?
A) Plantae
B) Fungi
C) Protista
D) Animalia
Answer: B
6. Which gas is used during photosynthesis?
A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Hydrogen
Answer: C
7. The process of converting glucose to energy in cells is called:
A) Respiration
B) Photosynthesis
C) Digestion
D) Transpiration
Answer: A
8. Which cell structure controls what enters and leaves the cell?
A) Nucleus
B) Cell wall
C) Cytoplasm
D) Cell membrane
Answer: D
9. Which of the following is a vertebrate?
A) Earthworm
B) Spider
C) Frog
D) Snail
Answer: C
10. Which organ system transports nutrients in the body?
A) Digestive
B) Respiratory
C) Circulatory
D) Nervous
Answer: C
11. How many chromosomes do human body cells have?
A) 23
B) 46
C) 22
D) 44
Answer: B
12. Which part of the plant absorbs water and minerals?
A) Leaf
B) Stem
C) Root
D) Flower
Answer: C
13. Which is not a function of the skeleton?
A) Protection
B) Movement
C) Digestion
D) Support
Answer: C
14. Which nutrient is mainly used for energy?
A) Protein
B) Carbohydrate
C) Vitamin
D) Mineral
Answer: B
15. Which part of the brain controls balance?
A) Cerebrum
B) Cerebellum
C) Medulla
D) Hypothalamus
Answer: B
16. What is the function of red blood cells?
A) Fight disease
B) Clot blood
C) Carry oxygen
D) Digest fat
Answer: C
17. The smallest bones in the human body are in the:
A) Ear
B) Toe
C) Nose
D) Finger
Answer: A
18. Which kingdom includes bacteria?
A) Fungi
B) Protista
C) Monera
D) Plantae
Answer: C
19. Which organ filters blood in the human body?
A) Liver
B) Kidney
C) Heart
D) Lung
Answer: B
20. Which of the following reproduces by spores?
A) Human
B) Mushroom
C) Cow
D) Fish
Answer: B
21. Which blood cells help fight infections?
A) Red blood cells
B) Platelets
C) White blood cells
D) Plasma
Answer: C
22. The green pigment in plants is:
A) Melanin
B) Hemoglobin
C) Chlorophyll
D) Keratin
Answer: C
23. Which sense organ detects light?
A) Ear
B) Eye
C) Skin
D) Nose
Answer: B
24. How many lungs do humans have?
A) 1
B) 2
C) 3
D) 4
Answer: B
25. Which organ system helps remove waste from the body?
A) Digestive
B) Nervous
C) Excretory
D) Respiratory
Answer: c
React pls make as we contin
Common English Expressions:
1. Fed up - to have had enough
2. Feel like - want to do something
3. No hard feelings - don't worry
4. Heavy duty - tough and powerful
5. Hook up - to connect
6. Join forces - to unite
7. Just what the doctor ordered - exactly what you need
8. Just about - nearly
9. Ins and outs - small details
10. In hand - under control
11. Kick around - treat badly
12. Kick the bucket - to die
13. Knock it off - stop it
14. Know-it-all - someone overconfident
15. Keep on - continue
16. In less than no time - immediately
17. Long face - looking sad
18. Means business - serious
19. Make up your mind - decide
20. Make off with - to steal
21. Make believe - to pretend
22. Mixed up - confused
23. Makes sense - seems reasonable/right
24. Make a difference - to matter
25. Nail it down - finalize it
26. Never mind - don't worry about it
27. No doubt - certainly
28. No sweat - it's easy/OK
29. Of age - old enough
30. Off the hook - out of trouble
31. Once in a blue moon - rarely
32. Out of order - does not work
33. Out of shape - unfit
