Question

Q4. During photosynthesis, oxygen comes from

a. water.

b. carbon dioxide.

c. light energy

d. both carbon dioxide
and water



5. How many water molecules are required in a chemical
reaction to produce one molecule of glucose during
photosynthesis?

b. 12

a. 6.


d. 24

C. 18

Q6. The rate of photosynthesis is not affected by

a. light intensity b. temperature.
c. humidity.
d. CO2 concentration.

Q7. The rate of photosynthesis will be maximum in
a. red-coloured light.
b. green-coloured light.
c. yellow-coloured light.
d. violet-coloured light.

​

Answer 1

Answer:

4. c) light energy

5. d) 24

6. c) humidity

7. d) violent - coloured light

is your right answer

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Answer 2

Answer:

(4)During Photosynthesis oxygen come from water.

(6)The rate of photosynthesis is not affected by humidity.

(7) the rate of photosynthesis will be maximum in

red coloured light.