Life cycles of $Ectocarpus$ and $Fucus$ respectively are

Which of the following forms contain algae?

Which of the following is known as fission algae?

Pteris differs from Funaria in having

In which of the following groups do the male and female gametophytes have independent,free-living existence?

$A$ fungus contains cells with two nuclei from different genomes. The nuclei do not fuse but divide independently and simultaneously as new cells are formed. It belongs to