A stomata closes when : (i) it needs carbon dioxide for photosynthesis. (ii) it does not need carbon dioxide…

A stomata closes when : (i) it needs carbon dioxide for photosynthesis. (ii) it does not need carbon dioxide for photosynthesis. (iii) water flows out of the guard cells. (iv) water flows into the guard cells. The correct reason(s) in this process is/are :
  1. (i) only
  2. (i) and (iii)
  3. (ii) and (iii)
  4. (ii) and (iv)

Solution

(ii) and (iii)

Asked in: CBSE

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