Gymnosperms are also called soft wood spermatophytes because they lack

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

The lateral conduction in gymnospermic leaf is by

$A$. Heterospory
$B$. Seed formation
$C$. Fertilization process
Which of the following is appropriate for gymnosperms?

In which of the following do the male and female gametophytes do not have an independent free-living existence?

The wing of the seed of $Pinus$ develops from: