The life cycles of $Ectocarpus$ and $Fucus$ are respectively ....... .

Alternation of generations is not observed in bacteria because they lack:

Which of the following exhibits a haplontic life cycle?

Which of the following statements is correct about the gametophytic stage in the alternation of generations within the life cycle?

In a diplontic life cycle,the zygote:

$A$: 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.