In $Pinus$,male gametes are produced in the pollen tube by the division of which of the following cells?

Give common characteristics of Gymnosperms plants.

In $Pinus$,the male cone bears a large number of:

$A$: Microspores and megaspores are produced in the same lax in gymnosperms.
$R$: Lax represents a compact strobilus which bears microsporophyll and megasporophyll.

Which of the following is an example of a plant that produces seeds but does not produce fruits?

Explain the life cycle in Gymnosperms.