Question

the opening and close of the stomatal pore depends upon
a) oxygen
b) temperature
c)water in guard cell
d) concentration of carbon dioxide in stomata​

Answer 1

Answer:

Explanation:

The opening and closing of the stomatal pore depends on the water in the guard cells.

Answer 2

$\bf\huge\underline\blue{Answer}$

(c) Water in guard cells

Guard cells swell when water flows into them, causing the stomatal pore opening. The pore closes, if the guard cell shrink.