問題詳情

57. Photosynthesis ceases when leaves wilt, mainly because___________.
(A) the chlorophyll of wilting leaves breaks down
(B) flaccid mesophylI cells are incapable of photosynthesis
(C) stomata close, preventing CO2 from entering the leaf
(D) photolysis. the water-splitting step of photosynthesis, cannot occur when there is a waterdeficiency
(E) accumulation of CO2in the leaf inhibits enzymes 

參考答案

答案:C
難度:計算中-1
書單:沒有書單,新增