Which of the following are the carriers of male gametes in seed plants ?
Vegetative cells
Microspore
Tapetum
Pollen grain
After culturing the anther of a plant, a few diploid plants were found along with haploid plants. The diploid plants could have arisen from
Choose correct pair :
$A-$ Events after the formation of zygote are called post fertilization events
$R -$ In viviparous animals a young one develops out side the mother body
Choose correct option ($T$ = true, $F$ = false).
- If zygote develops out side the body, the animal is oviparous.
- In flowering plants, zygote is formed inside the ovule.
- During embryogenesis, embryo show only cell differentiation.
- In flowering plants, the ovary develops into the fruit.
The development of gametophyte from the vegetative parts of the sporophyte without the intervention of spores is called