Peat moss is used wherever we require to retain water for a long because peat mosses are hygroscopic in nature and they absorb the moisture from the atmosphere and this moisture keep the living materials and flowers fresh for a long time.

Correct Option: A

Peat moss is used wherever we require to retain water for a long because peat mosses are hygroscopic in nature and they absorb the moisture from the atmosphere and this moisture keep the living materials and flowers fresh for a long time.

In moss main plant body is gametophyte while sporophyte is meant for spore dispersal mainly. Hence it is called that the sporophyte is partially parasitic on gametophyte.

Correct Option: D

In moss main plant body is gametophyte while sporophyte is meant for spore dispersal mainly. Hence it is called that the sporophyte is partially parasitic on gametophyte.

Elater is an elongated, spirally thickened, water-attracting cell in the capsule of a liverwort, derived from sporogenous tissue and assist in spore dispersal. In mosses calyptra is a structure initially present around sporophyte then break later. It is developed from ventral wall after fertilization. It provides protective covering to the developing sporogonium. Peristome teeth are found in the capsule of moss. These are present below operculum and are hygroscopic in nature.

Correct Option: D

Elater is an elongated, spirally thickened, water-attracting cell in the capsule of a liverwort, derived from sporogenous tissue and assist in spore dispersal. In mosses calyptra is a structure initially present around sporophyte then break later. It is developed from ventral wall after fertilization. It provides protective covering to the developing sporogonium. Peristome teeth are found in the capsule of moss. These are present below operculum and are hygroscopic in nature.

Hyperthermophilic organism that grow in highly acidic habitats belong to eubacteria and archae groups.

Correct Option: A

Hyperthermophilic organism that grow in highly acidic habitats belong to eubacteria and archae groups.

Archegoniophore is the female sex organ of bryophytes (Marchantia) and pteridophytes. Its neck region is made up of 4-6 vertical rows of cells.

Correct Option: A

Archegoniophore is the female sex organ of bryophytes (Marchantia) and pteridophytes. Its neck region is made up of 4-6 vertical rows of cells.