The last stage of the gametophytic generation is:

The sporophyte of $Riccia$ contains:

The bryophytes are fundamentally terrestrial plants but require the presence of water to complete their life cycle. The water is needed for
$I.$ dehiscence of antheridia $II.$ liberation of antherozoids
$III.$ transfer of sperms from antheridia to archegonia
$IV.$ opening of archegonial neck $V.$ the movement of antherozoids into the archegonial neck
Which of the statements given above are correct?

Assertion: The peristome is a fringe of teeth-like projections found at the mouth of the capsule.
Reason: It may be of two types: nematodontous and orthodontous.

The middle sterile portion in the capsule of moss $(Funaria)$ is:

Choose the incorrect statement about mosses.