Assertion : It is possible to store pollen grains of a large number of species for years in years in liquid nitrogen `(-196^(@)C)`
Reason : Such stored pollen can be used as pollen banks, similar to seed banks, in crop breeding programmes.

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 both assertion and reason are false.

Answer

B

Explanation

`**` Is is possible to store pollen grains of a large number of species for years in liquid nitrogen `(-196^(@)C)`.
`**` Such stored pollen can be used as pollen banks, similar to seed banks, in crop breeding programmes.