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Which of these cannot help us differentiate between C3 and C4 plants?(a) Carbon dioxide acceptor molecule(b) Presence of Kranz anatomy(c) Photorespiration(d) Number of chloroplastsThe question was posed to me in a job interview.Query is from Higher Plants Photosynthesis topic in portion Photosynthesis in Higher Plants of Biology – Class 11

Answer» CORRECT CHOICE is (d) Number of chloroplasts

Easiest explanation: C4 plants DIFFER in various ways from C3 plants. They show Kranz ANATOMY. C4 plants LACK photorespiration but C3 plants have a high rate of photorespiration and they do not show Kranz anatomy.


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