Basic Biology Test

BASIC BIOLOGY QUESTIONS

1. The basic unit of life is:
A. Tissue
B. Cell
C. Organ
D. Organ system
Answer: B

2. Which organelle controls the ac vi es of a cell?
A. Mitochondria
B. Nucleus
C. Ribosome
D. Vacuole
Answer: B

3. Photosynthesis occurs mainly in the:
A. Roots
B. Stem
C. Leaves
D. Flowers
Answer: C

4. The green pigment responsible for photosynthesis is:
A. Hemoglobin
B. Chlorophyll
C. Carotene
D. Melanin
Answer: B

5. Which gas is used by plants during photosynthesis?
A. Oxygen
B. Nitrogen
C. Carbon dioxide
D. Hydrogen
Answer: C

6. The powerhouse of the cell is the:
A. Ribosome
B. Mitochondria
C. Nucleus

, D. Cytoplasm
Answer: B

7. Which part of the plant absorbs water and minerals from the soil?
A. Stem
B. Leaf
C. Root
D. Flower
Answer: C

8. The movement of water across a semipermeable membrane is called:
A. Diffusion
B. Osmosis
C. Transpira on
D. Respira on
Answer: B

9. Animals that eat both plants and animals are called:
A. Herbivores
B. Carnivores
C. Omnivores
D. Parasites
Answer: C

10. The process by which organisms release energy from food is:
A. Diges on
B. Respira on
C. Photosynthesis
D. Absorp on
Answer: B



Short Answer Ques ons

11. Define Biology.
Answer: Biology is the scien fic study of living organisms.

12. Name two characteris cs of living organisms.
Answer: Growth and reproduc on.

13. What is a ssue?
Answer: A group of similar cells working together to perform a specific func on.