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Why does photosynthesis not occur in most plants at night?

Answer and explanation

Correct answer: Light is not available

The governing concept is the light-dependent requirement of photosynthesis. Chlorophyll absorbs light energy, which powers the reactions that produce energy-rich molecules and ultimately helps convert carbon dioxide and water into glucose and oxygen. At night, sunlight is absent, so these light-driven reactions usually stop in most plants. Water and xylem do not suddenly disappear, and chlorophyll is not always destroyed. Thus option A is correct.

Related tags

PhotosynthesisLightNightPlantsLife ProcessesWorld Of LivingScienceClass 10 Mcq

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