Biology 9 Chapter 7 Bioenergetics-3

Biology 9 Chapter 7 Bioenergetics-3

1. Photosynthesis is?

a) Heterophilic
b) Catabolic
c) Anabolic
d) None of these

2. Which one of the following is not the reactant of photosynthesis?

a) Carbon dioxide
b) Glucose
c) Water
d) Light

3. The movement of water from a dilute solution to the concentrated one, through a membrane is known as?

a) Photosynthesis
b) Osmosis
c) Plasmolysis
d) Respiration

4. Roots absorb water from soil through?

a) Active transport
b) Diffusion
c) None of these
d) Osmosis

5. The water absorbed by the roots transport to the leaves through?

a) Xylem
b) Phloem
c) Root hair
d) All of these

6. How much the leaf surface is covered by stomata?

a) 5-10%
b) 20-30%
c) 50-60%
d) 1-2%

7. Which one of the following cells are responsible for photosynthesis?

a) Vessels
b) Tracheids
c) Companion cells
d) Mesophyll cells

8. The reactions of photosynthesis which takes place during light are called as?

a) Sun reactions
b) Dark reactions
c) Solar reactions
d) Light reactions

9. Light reactions of photosynthesis occur in?

a) Stroma
b) Thylakoid membranes
c) Envelope
d) Mitochondria

10. How many phases are there of photosynthesis?

a) Five
b) Two
c) Three
d) Four

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