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Question
Which one does not differ between a C3 and a C4 plant? (I) Initial CO2 acceptor.(II) Extent of photorespiration.(III) Enzyme catalyzing reaction that fixes CO2.(IV) Presence of Calvin cycle.(V) Leaf anatomy.
Which one does not differ between a C3 and a C4 plant?
(I) Initial CO2 acceptor.
(II) Extent of photorespiration.
(III) Enzyme catalyzing reaction that fixes CO2.
(IV) Presence of Calvin cycle.
(V) Leaf anatomy.
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Solution
The correct option is B IV
The initial Co2 receptor is RuBP for c3 plants whereas phosphoenolpyruvate for C4 plants. Photorespiration losses are high in C3 whereas low in C4. Calvin cycle is a dark reaction which occurs in both C3 and C4 plants. C4 plants have specialized karnz anatomy of leaves. Thus, the correct answer is option B.
The initial Co2 receptor is RuBP for c3 plants whereas phosphoenolpyruvate for C4 plants. Photorespiration losses are high in C3 whereas low in C4. Calvin cycle is a dark reaction which occurs in both C3 and C4 plants. C4 plants have specialized karnz anatomy of leaves. Thus, the correct answer is option B.
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