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Question
Assertion (A): Photosynthesis occurs in the stroma of the chloroplast.
Reason (R): The stroma is the site of the Calvin cycle, where glucose is synthesised.
Options
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
MCQ
Assertion and Reasoning
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Solution
A is false but R is true.
Explanation:
The assertion is false because the entire process of photosynthesis does not occur in the stroma; the light-dependent reactions take place strictly within the thylakoid membranes. However, the reason is entirely true because the stroma is the specific site for the light-independent reactions (the Calvin cycle). Within this fluid matrix, enzymes utilise ATP and NADPH to fix carbon dioxide and successfully synthesise glucose.
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