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Question
Assertion: C4 – photosynthetic pathway is more efficient than C3 pathway Reason: Photorespiration is suppressed in C4 plants
Options:
A .  Both assertion and reason are true and the reason is the correct explanation for assertion.
B .  Both assertion and reason are true but reason is not correct explanation of assertion.
C .  Assertion is true but reason is false.
D .  Both assertion and reason are false.
Answer: Option A
:
A
C4pathway is more recently involved in C3pathway and involves a superior carbon dioxide fixing mechanism. C4pathway is more efficient than C3pathway.

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