In all seed-bearing plants,the alternation of generations is of this type:

Which of the following types of alternation of generations is observed in plants?

Formation of a sporophyte from a gametophyte and vice versa is termed as:

In the given figure,what do $''A''$ and $''B''$ represent respectively?

Select the correct sequence of life cycles shown in the figure from the given options:

$A$: Different plant groups show different patterns of life cycles.
$R$: During the life cycle,there is an alternation of generation between a diploid gametophyte and a haploid sporophyte.