Grade 9 Biology (25 Questions)
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
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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 continue.❤👍
╔══════════════════╗
📚SHARE: @EthioExtremeBook1
📚SHARE: @EthioExtremeBook1
📚SHARE: @EthioExtremeBook1
╚══════════════════╝