Question

6. The opening and closing of stomatal pores depends upon : (A) Oxygen (B) Water in guard cells (C) Concentration of carbon dioxide in stomata (D) Temperature light AB is incident normally on one face PQ of an e​

Answer 1

Answer:

(B)Water in guard cells

Explanation:

When the guard cells are turgid, they expand resulting in the opening of stomata. When the guard cells lose water, they become flaccid leading to stomatal closure

Answer 2

Answer:

B) Water in guard cells

Explanation:

The opening and closing of stomata depend on the turgor pressure, caused by the osmotic flow of water in the guard cells.