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Standard XII

Biology

Absorption of Food

Assertion :Th...

Question

Assertion :The stroma lamellae have both PS I and PS II. Reason: The grana lamellae lack PS II as well as NADP reductase enzyme.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is D Both Assertion and Reason are incorrect
Thylakoid membranes possess photosynthetic pigments and coupling factors. They occur in specific groups called photosystems (previously quantassomes). There are two photosystems. The grana lamellae have both PS I and PS II and the stroma lamellae lack PS II as well as NADP reductase enzyme.

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