Mention if the following statement are true

1. Intine is the outer wall of pollen grain.
2. Pollen tube enters ovule through micropyle.
3. Zygote gives rise to embryo.
4. Ovule becomes fruit.
5. Dry sepals may persist in some fruits.

Exine and intine are the parts of:

1. Embryo sac
2. Pollen grain
3. Stigma
4. Seed

The kind of pollination in which the pollen of the same flower fall on its stigma is termed as:

1. Geitonogamy
2. Autogamy
3. Homogamy
4. Allogamy

Which of the following conditions favours self-pollination?

1. Homogamy
2. Herkogamy
3. Dichogamy
4. None of these