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In C₄ plants, PEP carboxylase is located in the

(a) mesophyll cells Correct
(b) xylem Your answer
(c) bundle sheath cells Your answer
(d) guard cells only Your answer

Your answer: Correct answer: (a)

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Explanation

Why (a) is correct

PEP carboxylase is in the mesophyll cells of C₄ plants.

Why the other options are wrong

(b) · your answer Xylem is a conducting tissue without PEPcase.
(c) · your answer Bundle sheath cells lack PEPcase.
(d) · your answer Guard cells are not where C₄ fixation occurs.

NCERT point: Mesophyll: PEPcase. Bundle sheath: RuBisCO.

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