With regard to photosynthesis, photorespiration
A) is more efficient in producing carbohydrates.
B) predominates in C3 plants in cool weather when water is plentiful.
C) predominates in C4 plants on hot days.
D) produces the same amount of PGA.
E) does none of these.

Question

Quizplus · Accepted Answer

Photorespiration is a process that occurs in C3 plants, especially under conditions of high oxygen and low carbon dioxide, such as hot and dry weather. It is not efficient in producing carbohydrates and does not occur in C4 plants in the same way.

With Regard to Photosynthesis, Photorespiration