Assertion : If pollen mother cells has $42$ chromosomes, the pollen has only $21$ chromosomes.
Reason : Pollens are formed after meiosis in pollen mother cell.
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.
If the Assertion is correct but Reason is incorrect.
If both the Assertion and Reason are incorrect.
Members of which plant family, pollen grains maintain viability for months ?
Which statement is incorrect?
Pollen tablets are available in the market for
Pollens have two prominent walls which are ... $A$... and ... $B$ .... Here $A$ and $B$ refers to
Identify figure.