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Get Answers to all your Questions
Stomatal movement is not affected by
- Option 1)
O2 concentration
- Option 2)
Light
- Option 3)
Temperature
- Option 4)
CO2 concentration
Answers (2)
As we learnt in
Active K+ transport theory -
This is the most accepted theory of stomatal movements.
- 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.
Option 1)
O2 concentration
This is correct.
Option 2)
Light
This is incorrect.
Option 3)
Temperature
This is incorrect.
Option 4)
CO2 concentration
This is incorrect.
View full answer
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