Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called     
1. Geitonogamy
2. Karyogamy
3. Autogamy
4. Xenogamy

Filiform apparatus is a characteristic feature of:

Nucellar polyembryony is reported in which of the following species?
1. Citrus
2. Gossypium
3. Triticum
4. Brassica

In which one of the following pollination is autogamous
1. Geitonogamy
2. Xenogamy
3. Chasmogamy
4. Cleistogamy

Wind pollination is common in:
1. Legumes
2. Lilies
3. Grasses
4. Orchids

Both, autogamy and geitonogamy are prevented in -
1. Papaya
2. Cucumber
3. Castor
4. Maize

An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is:

The gynoecium consists of many free pistils in flowers of
1. Aloe
2. Tomato
3. Papaver
4. Michelia

Even in absence of pollinating agents, seed setting is assured in:

Which one of the following statements is wrong?