Development of Male Gametophyte
Trending Questions
Q. In an angiosperm, how many microspore mother cells are required to produce 100 pollen grains?
- 50
- 100
- 25
- 75
Q. ___________ divides mitotically to form male gametes.
- Vegetative cell
- Generative cell
- Pollen mother cell (PMC)
- Microspore
Q. The mitotic division that takes place in the generative cell of pollen grain results in the formation of ________.
- 3 male gametes
- 2 male gametes
- 2 male gametes and one vegetative cell
- one male gamete and one vegetative cell.
Q. __________________ directly develops into male gametophyte in angiosperms.
- Microspore
- Microsporangia
- Sporogenous tissue
- Endothecium
Q. If a hypothetical microspore mother cell is tetraploid. What will be the ploidy of the microspore?
- Diploid
- Haploid
- Tetraploid
- None of the above
Q. Reductional division takes place in _____________ during microsporogenesis.
- microspores
- microspore mother cell
- endothecium
- tapetum
Q. Pollen grains are shed at _________.
- 1-celled stage
- 2-celled stage
- 3-celled stage
- 2-celled or 3-celled stage
Q. Male and female sex organs of flowering planr
Q. Carmine particle when placed above osculum of a sponge would be
- Left there
- Ingested and digested
- Thrown away
- Ingested and thrown away by ostia
Q.
what type of placentation is present in POTATO