Question

Assertion: C₄ – photosynthetic pathway is more efficient than C₃ pathway Reason: Photorespiration is suppressed in C₄ plants

• 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 1

The correct option is A Both assertion and reason are true and the reason is the correct explanation for assertion.

C₄ pathway is more recently involved in C₃ pathway and involves a superior carbon dioxide fixing mechanism. C₄ pathway is more efficient than C₃ pathway.