Stomatal movement is not affected by

Answers (1)

As we learnt in 

Active K+ transport theory -

This is the most accepted theory of stomatal movements.

NEET

- wherein

Given by Fujino (1959) and modifies by Levitt (1974).

 Stomata close when it is dark and dry, If carbon dioxide concentrations inside the leaf start to fall, the plant will open its stomata so that more CO2 can enter.

Thus, Light, temperature and concentration of CO2 affect opening and closing of stomata while they are not affected by O2 concentration.

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