Alternation of Generation in Angiosperms

Q.

Male gametophyte in angiosperms produces:

1. Three sperms

2. Two sperms and a vegetative cell

3. Single sperm and a vegetative cell

4. Single sperm and two vegetative cells

Q.

The type of life cycle in which the diploid gametophyte phase is dominant is called

1. Haplontic

2. Haplo-diplontic

3. Diplontic

4. Triplontic

Q.

In angiosperms, one male gamete fuses with the definitive nucleus to form triploid primary endosperm nucleus. The process is called

1. 80

2. 40

3. 50

4. 100

Q.

The pollen grains are formed by __________ division?

Q. The main plant body represents the generation in angiosperms.

1. diploid gametophytic
2. diploid sporophytic
3. haploid gametophytic
4. haploid sporophytic

Q. The endosperm in gymnosperms is:

1. Diploid
2. Triploid
3. Haploid
4. Polyploid

Q.

Which of the following statements best links the two given images?

Image 1

Image 2

1. Reduction of gametophytic generation from bryophytes to angiosperms.

2. None of these

3. Reduction of sporophytic generation from bryophytes to angiosperms

4. Increase in gametophytic generation from thallophytes to angiosperms