Geitonogamy

Q. Choose the incorrect statement from the following statements.

1. In wind pollination, the pollen grains are light and non-sticky so that they can be transported in the wind currents.
2. Monoecious plants like castor and maize prevent both autogamy and geitonogamy.
3. Chalaza represents the basal part of the ovule.
4. Pollen grains are well preserved as fossils because of the presence of sporopollenin.

Q.
In the given image, the processes labelled as '1', '2' and '3' refers to

1. 1- Geitonogamy
   2- Autogamy
   3- Allogamy (Cross-pollination)
2. 1- Autogamy
   2- Geitonogamy
   3- Allogamy (Cross-pollination)
3. 1- Allogamy (Cross-Pollination)
   2- Geitonogamy
   3- Autogamy
4. 1- Autogamy
   2- Allogamy (Cross-pollination)
   3- Geitonogamy

Q. Unisexuality of flowers prevents:

1. Geitonogamy, but not xenogamy
2. Autogamy and geitonogamy
3. Autogamy, but not geitonogamy
4. Both geitonogamy and xenogamy

Q. Other florals develop below the base of ovary in a flower is called

1. Hypogynous
2. Epigynous
3. Agynous
4. Perigynous

Q. Which of the following is correct?

1. Epigynous - guava and cucumber
2. Hypogynous - mustard, rose
3. Perigynous - plum, peach, rose
4. Both $\left(1\right)$ and $\left(2\right)$