Which one of the following is a living fossil?

$A$ typical gymnospermous plant has $8$ chromosomes in its leaf cells. What will be the number of chromosomes in the cells of its gametophyte?

Conifers are associated with which of the following?

The female cone of $Pinus$ can be compared to which part of an angiosperm plant?

The resin duct of gymnosperms is an example of .........

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