Assertion. Photosynthetically `C_(4)` plants are less efficient than `C_(3)` plants.
Reason. The operation of `C_(4)` pathway requires the involvement of only bundle sheath cells
A. If both assertion and reason are true and the reason is a correct explanation of the assertion
B. If both assertion and reason are true but reason is not a correct explanation of the assertion.
C.
D. If the assertion is true but reason is false.
