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(D) Beyond the saturation point (the light intensity at which the plant achieves maximum photosynthesis),the rate of photosynthesis begins to decline

Vedclass · Accepted Answer

$I$ and $II$

Vedclass · Answer

(D) Beyond the saturation point (the light intensity at which the plant achieves maximum photosynthesis),the rate of photosynthesis begins to decline due to the following two reasons:$1$. Photo-inhibition: This occurs due to the reduction in hydration and the closing of stomata.$2$. Photo-oxidation: This occurs due to the oxidation of photosynthetic pigments and enzymes.Therefore,both $I$ and $II$ are correct.

Beyond the saturation point,the rate of photosynthesis begins to decline because of:
$I$. Photo-inhibition
$II$. Photo-oxidation
$III$. Photo-reduction
Select the correct option:

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Beyond the saturation point,the rate of photosynthesis begins to decline because of:$I$. Photo-inhibition$II$. Photo-oxidation$III$. Photo-reductionSelect the correct option: