Which one of the following is a correct statement?

1.	Pteridophyte gametophyte has a protonemal and leafy stage
2.	In gymnosperms female gametophyte is free-living
3.	Antheridiophores and archegoniophores are present in pteridophytes
4.	Origin of seed habit can be traced in pteridophytes

The gametophyte is not an independent, free living generation in

(1) Adiantum

(2) Marchantia

(3) Pinus

(4) Polytrichum

Archegoniophore is present in

(1) Chara

(2) Adiantum

(3) Funaria

(4) Marchantia

A prokaryotic autotrophic nitrogen fixing symbiont is found in

(1) Cycas

(2) Cicer

(3) Pisum

(4) Alnus

Male and female gametophytes are independent and free-living in

(1) mustard

(2) castor

(3) Pinus

(4) Sphagnum

Which one of the following is considered important in the development of seed habit?

(1) Dependent sporophyte

(2) Heterospory

(3) Haplontic life cycle

(4) Free-living gametophyte

In which one of the following, the male and female gametophytes don't have free-living independent existence?

(1) Pteris

(2) Funaria

(3) Polytrichum

(4) Cedrus

Which one of the following is heterosporous?

(1) Dryopteris

(2) Salvinia

(3) Adiantum

(4) Equisetum

If you are asked to classify the various algae into distinct groups, which of the following characters you should choose?

(1) Types of pigments present in the cell

(2) Nature of stored food materials in the cell

(3) Structural organisation of thallus

(4) Chemical composition of the cell wall

In a moss, the sporophyte:

(1) is partially parasitic on the gametophyte

(2) produces gametes that give rise to the gametophyte

(3) arises from a spore produced from the gametophyte

(4) manufactures food for itself, as well as for the gametophyte