Water stress causes the stomata to A hence re | vedclass

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Question

(C) The correct answer is $C$. Water stress occurs when the plant lacks sufficient water. To prevent excessive water loss through transpiration,the gu

Vedclass · Accepted Answer

$A$-close; $B-CO_{2}$

Vedclass · Answer

(C) The correct answer is $C$. Water stress occurs when the plant lacks sufficient water. To prevent excessive water loss through transpiration,the guard cells lose turgidity,causing the stomata to close ($A$-close). Since the stomata are the primary sites for gas exchange,their closure prevents the entry of atmospheric carbon dioxide into the leaf. Therefore,this reduces the availability of $CO_{2}$ $(B-CO_{2})$ for the process of photosynthesis.

Water stress causes the stomata to $A$ hence reducing the $B$ availability. Here $A$ and $B$ refer to:

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