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In a C₃ plant and a C₄ plant, the Calvin cycle takes place, respectively, in

(a) bundle sheath cells in both Your answer
(b) bundle sheath cells and mesophyll cells Your answer
(c) mesophyll cells in both Your answer
(d) mesophyll cells and bundle sheath cells Correct

Your answer: Correct answer: (d)

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Explanation

Why (d) is correct

In a C₃ plant, the Calvin cycle runs in the mesophyll cells; in a C₄ plant, it runs in the bundle sheath cells.

Why the other options are wrong

(a) · your answer C₃ plants run the Calvin cycle in the mesophyll.
(b) · your answer This is the reverse.
(c) · your answer C₄ mesophyll cells lack RuBisCO.

NCERT point: The location of RuBisCO decides where the Calvin cycle runs.

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