Gymnosperms are also called soft wood spermatophytes because they lack

(1) cambium

(2) phloem fibres

(3) thick-walled tracheids

(4) xylem fibres

Compared with the gametophytes of the bryophytes, the gametophytes of vascular plants tends to be

1. larger but to have smaller sex organs

2. larger and to have large sex organs

3. smaller and to have smaller sex organs

4. smaller but to have larger sex organs

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  has haplontic life cycle?

(1) Funaria

(2) Polytrichum

(3) Ustilago

(4) Wheat

Phylogenetic system of classification is based on

1. evolutionary relationships

2. morphological features

3. chemical constituents

4. floral characters

Which one of the following is a vascular cryptogam?

1. Equisetum

2. Ginkgo

3. Marchantia

4. Cedrus

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