Assertion: C_4 pathway of CO_2 fixation is found in some tropical… - Vidyadip

MCQ

Assertion: $C_4$ pathway of $CO_2$ fixation is found in some tropical plants.
Reason: In this pathway, $CO_2$ is fixed by $3C$ compound.

A
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
✓
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
C
If the Assertion is correct but Reason is incorrect.
D
If both the Assertion and Reason are incorrect.

✓

Answer

Correct option: B.

If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.

b
$C_4$ pathway is an adaptation of tropical plants to reduce/avoid the photorespiratory loss. In $C_4$ pathway, first acceptor of $CO_2$ is a $3$ carbon compound - phosphoenol pyruvate.

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