Microspore and megaspore are found in $-$

$A$ fern prothallus is bisexual. If fertilization takes place between the gametes produced by the same prothallus,then it is known as:

$A:$ In Pteridophytes,spores are produced in sporangia. $R:$ In Pteridophytes,sporangia are subtended by leaf-like appendages called sporophylls.

In the prothallus of $Dryopteris$ (fern),the sex organs are located on the:

Distinct alternation of generation is found in

Mark the correct statement for the organism given below in the figure.