In $Riccia$,the archegonium is

Assertion $(A)$: $Riccia$ is a very simple and primitive bryophyte.
Reason $(R)$: In $Riccia$,after fertilization,the zygote undergoes division to form an embryo.

Where are the antheridia and archegonia situated in moss?

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.

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

Which of the following has the capacity to absorb water,is used to replace cotton,and is also used as a fuel?