Photosynthesis in Plants

Question 1

Photosynthesis is vital for maintaining levels of atmospheric oxygen.

Revolt · Accepted Answer

T

Question 2

C4 and CAM plants are _______.

Revolt · Accepted Answer

adaptations to arid environments

Question 3

How is the process of carbon fixation in CAM plants different from the process in C3 and C4 plants?

Revolt · Accepted Answer

CAM plants conserve water by allowing transpiration to occur at night rather than the day like it does with C3 and C4 plants.

Question 4

Which of the following is an output of photosynthesis?

Revolt · Accepted Answer

oxygen

Question 5

Which of the following types of carbon fixation is associated with plant stomata being open during the night?

Revolt · Accepted Answer

CAM

Question 6

Which of the following plant structures provides most of the water necessary for photosynthesis?

Revolt · Accepted Answer

roots

Question 7

The _______ in plants is directly responsible for absorbing light energy.

Revolt · Accepted Answer

chlorophyll

Question 8

Which of the following statements about the dark reactions is true?

Revolt · Accepted Answer

Carbon dioxide is converted to sugar using ATP and NADPH during the dark reactions.

Question 9

Why is photosynthesis vital for life?

Revolt · Accepted Answer

All of the above

Question 10

How does the carbon dioxide necessary for photosynthesis enter plants?

Revolt · Accepted Answer

through openings in the leaves called stomata

Photosynthesis in Plants Answers