In $Pinus$,the terminal portion of the microsporophyll of the male cone is called:

Assertion $(A)$: $Pinus$ is known as a gymnosperm.
Reason $(R)$: $Pinus$ has naked ovules that are not enclosed by an ovary.

The plant group that possesses the largest ovules,the largest trees,and the largest gametes is ....

Microsporophyll of $Pinus$ is equivalent to:

In a gymnosperm,if the haploid chromosome number is $12$,what will be the number of chromosomes in its root and endosperm,respectively?

The pollination in $Pinus$ is