Plant Kingdom

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

1. smaller but to have larger sex organs
2. larger but to have smaller sex organs
3. larger and to have larger sex organs
4. smaller and to have smaller sex organs

Archegoniophore is present in

1. Marchantia
2. Chara
3. Adiantum
4. Funaria

A prokaryotic autotrophic nitrogen fixing symbiont is found in

1. Alnus
2. Cycas
3. Cicer
4. Pisum

Examine the figures A, B, C and D. In which one of the four options all the items A, B, C and D are correct? [Figure]

1. (A) Funaria, (B) Adiantum, (C) Salvinia, (D) Riccia
2. (A) Equisetum, (B) Ginkgo, (C) Selaginella, (D) Lycopodium
3. (A) Chara, (B) Marchantia, (C) Fucus, (D) Pinus
4. (A) Selaginella, (B) Equisetum, (C) Salvinia, (D) Ginkgo

Examine the figures (A–D) given below and select the right option, in which all the four structures A, B, C and D are identified correctly. [Figure]

1. A Offset, B Antheridiophore, C Antipodals, D Oogonium
2. A Rhizome, B Sporangiophore, C Polar cell, D Globule
3. A Sucker, B Seta, C Megaspore mother cell, D Gemma cup
4. A Runner, B Archegoniophore, C Synergid, D Antheridium

Male and female gametophytes are independent and free-living in

1. mustard
2. castor
3. Pinus
4. Sphagnum

Phylogenetic system of classification is based on

1. morphological features
2. chemical constituents
3. floral characters
4. evolutionary relationships

Which one of the following is a vascular cryptogam?

1. Ginkgo
2. Marchantia
3. Cedrus
4. Equisetum

Mannitol is the stored food in

1. Porphyra
2. Fucus
3. Gracilaria
4. Chara

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

1. Heterospory
2. Haplontic life cycle
3. Free-living gametophyte
4. Dependent sporophyte