NEET2005BotanySexual Reproduction in Flowering PlantsActual
Double fertilization involves
Options
- Afertilization of the egg by two male gametes
- Bfertilization of two eggs in the same embryo sac by two sperms brought by one pollen tube
- Cfertilization of the egg and the central cell by two sperms brought by different pollen tubes
- Dfertilization of the egg and the central cell by two sperms brought by the same pollen tube.
Correct answer
D. fertilization of the egg and the central cell by two sperms brought by the same pollen tube.
Step-by-step solution
Double fertilization is the characteristic feature of angiosperms. Here one male nucleus fertilizes the egg nucleus and the other male nucleus fertilizes the central cell (polar nuclei). First fertilization result in zygote where as second fertilization results in the formation of endosperm.