Which of the following is a diploid?

In $Funaria$,leaves are arranged on the stem:

Spores of $Riccia$ are liberated by

Assertion $(A)$: In mosses,vegetative reproduction occurs through fragmentation and budding.
Reason $(R)$: The spore-producing sporophyte stage in mosses is responsible for asexual reproduction.

Plants that possess a parasitic sporophyte generation can be classified into which of the following groups?

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?