The figure given above shows the growth of pollen tube. Observe the figure and answer the following question.

Triple fusion takes place when:

One male gamete fuses with the one female gamete Two male gametes with the egg nucleus One female gamete fuses with the polar nuclei One male gamete fuses with the polar nuclei

One male gamete fuses with the polar nuclei

The correct answer is Option (4) → One male gamete fuses with the polar nuclei