Which one propagates through leaf tip
1. Marchantia
2. Moss
3. Walking Fern
4. Pinus.

Which one is living fossil
1. Pinus
2. Cycas
3. Selaginella
4. None of these

Angiosperms have dominated the land flora primarily because of their
1. Power of adaptability in diverse habitat
2. Nature of self pollination
3. Domestication by humans
4. Property of producing large number of seeds

Top-shaped multiciliate male gamete and seeds with two cotyledons occur in
1. Cycads
2. Conifers
3. Polypetalous angiosperms
4. Gamopetalous angiosperms

Ectophloic siphonostele occurs in
1. Marsilea and Botrychium
2. Dicksonia and Maidenhair Fern
3. Osmunda and Equisetum
4. Adiantum and Cucurbitaceae

In a moss, the sporophyte
1. Manufactures food for itself, as well as for the gametophyte
2. Arises from a spore produced from gametophyte
3. Is partially parasitic on the gametophyte
4. Produces gametes that give rise to the gametophyte

Which set contains flagellated male gametes?
1. Spirogyra, Anthoceros and Funaria
2. Zygnema, Saprolegnia and Hydrilla
3. Fucus, Marsilea and Calotropis
4. Riccia, Dryopteris and Cycas

Pollen chamber present in gymnosperms represents
1. Microsporangium
2. Pollen grain cell where sperms are formed
3. Opening of megagametophyte for passage of pollen tube to egg
4. Cavity in nucellus for resting pollen grains after pollination

In which one of the following, male and female gametophytes do not have free living independent existence

Archegoniophore is present in :
1. Marchantia
2. Chara
3. Adiantum
4. Funaria