NEET Biology question

Which of the following statements regarding C4-plants is false?

(A)The primary CO2 acceptor is a 5-carbon moleculeCorrect
(B)The initial carboxylation reaction occurs in mesophyll cells
(C)The leaves that fix CO2 have two cell types
(D)The mesophyll cells lack the RuBisCO enzyme

Answer: (A)

Solution

In C4-plants, the primary CO2 acceptor is phosphoenolpyruvate (PEP), a 3-carbon, not a 5-carbon, molecule — this makes statement (a) false. The remaining statements are all true: initial carboxylation does

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Question ID VK-128156