The presence of rhizoids in saprophytic plants is a characteristic of which group?

What type of sporophylls are found in Pteridophytes?

Give scientific reasons: In pteridophytes,the development of the zygote inside the female gametophyte is considered an important phase.

Identify the plant shown in the given figure.

The female gametophyte in heterosporous ferns is:

Statement $X :$ $Selaginella$ is a heterosporous,gymnosperm plant.
Statement $Y :$ It produces two different types of spores.