The opening and closing of the stomatal pore depends upon
(a) oxygen
(b) temperature
(c) water in guard cells
(d) concentration of CO2 in stomata

NCERT Class X
Science - Exemplar Problems

Chapter_Life Processes

Answer :

The opening and closing of the stomatal pore depends upon (c) water in guard cells.
The opening and closing of the stomatal pore depends on the water in the guard cells.

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