The C_4 plants are photosynthetically more efficient than C_3 plants because

NEET 2008 Biology question

The C plants are photosynthetically more efficient than C plants because

(1)They have more chloroplastsCorrect
(2)The CO compensation point is more
(3)CO generated during photorespiration is trapped and recycled through PEP carboxylase
(4)The CO efflux is not prevented

Answer: (1)

Solution

C plants have Kranz anatomy: besides the mesophyll chloroplasts, the bundle sheath cells have large, numerous chloroplasts in which the Calvin cycle operates. is first fixed by PEP carboxylase in the mesophyll and then concentrated at the Rubisco site in the bundle sheath, so photorespiration is

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Question ID VK-090064