Assertion : In case of vegetatively propagated crops, pure line selection is not requried.
Reason : Hybrid vigour is mostly used in vegetatively propagated plants.

Options

A. If both assertion and reason are true and the reason is the correct explanation of the assertion
B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
C. If assertion is true but reason is false
D. If the assertion and reason both are false.

Answer

B

Explanation

In pure line selection large numbers of plants are selected from self pollinated crop. It is useful only for sexually reproducing plant. Fixation of hybrid vigour is needed for its commercial application which can be done by vegetative propagation.