Assertion: Grafting is not usually possible in monocots
Reason: Successful grafting requires that cambia of both stock and scion fuse to form new vascular tissues
A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If both the assertion and reason is false
