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The C(4) plants are photosynthetically ...

The `C_(4)` plants are photosynthetically more efficient than `C_(3)` plants because

A

Photorespiration is absent

B

CO_2 compensation point is high

C

`CO_2` generated during photo respiration is trapped and recycle throw PEP carboxylase

D

All except (3)

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The C_(4) plants are photosynthesis more efficient then C_(3) plant because (a) The CO_(2) efflux is not prevented (b) They have more chloroplasts (c) The CO_(2) compensation point is more. (d) CO_(2) generated during photorespiration is trapped and recycled through PEP carboxylase

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