Choose the incorrect sentence.

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(B) The correct answer is $B$. Normally,in most plants,stomata are open during the daytime to facilitate gas exchange for photosynthesis and close dur

Vedclass · Accepted Answer

Normally,stomata are closed in the daytime and open during the night.

Vedclass · Answer

(B) The correct answer is $B$. Normally,in most plants,stomata are open during the daytime to facilitate gas exchange for photosynthesis and close during the night to prevent unnecessary water loss. Option $A$ is correct as transpiration is indeed the evaporative loss of water from aerial parts of plants. Option $C$ is correct because the inner walls of guard cells are thick and elastic,which helps in the opening and closing mechanism. Option $D$ is correct as the loss of turgor pressure leads to the flaccidity of guard cells,causing the stomatal pore to close.

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