Question

Find out the CORRECT sequence of events taking place in pollen - pistil interaction.

1. Pollen tube enters one of the synergids and bursts to release male gametes.
2. Pollen tube enters the ovule through the micropyle of the ovary.
3. The pollen tube grows through the stigmatic tissue and then style.
4. Pistil recognizes the correct pollen and accepts it.

Options

• iv→iii→ii→i

• iv→ii→iii→i

• i→iv→iii→ii

• iii→iv→ii→i

Answer 1

iv→iii→ii→i