During a dry period, a plant's rates of photosynthesis and transpiration both decrease. This suggests that the plant
A) has its stomates open.
B) has its stomates closed.
C) is operating under light saturation.
D) is operating under light limitation.

Question

Quizplus · Accepted Answer

When a plant's rates of photosynthesis and transpiration both decrease during a dry period, it suggests that the plant has its stomates closed to conserve water, which limits gas exchange and reduces both processes.

During a Dry Period, a Plant's Rates of Photosynthesis and Transpiration