JIPMER2004BotanySexual Reproduction in Flowering Plants
Double fertilization means
Options
- Afusion of nucleus of male gamete with the egg nucleus
- Bfusion of two polar nuclei
- Cfusion of sperm nucleus with secondary nucleus
- Dfusion of one sperm nucleus with nucleus and fusion of other sperm nucleus with secondary nucleus
Correct answer
D. fusion of one sperm nucleus with nucleus and fusion of other sperm nucleus with secondary nucleus
Step-by-step solution
Double fertilization is the process the one sperm fuses with the egg while the other sperm fuses with the two polar nuclei. mien pollen tube enters ovule, it strikes one of the synergids and burst open to release the two male gametes which fuses with two different structures in the same female gametophyte. The fusion two polar nuclei forms endosperm. So, the correct answer is option D.