Apomictic embryos in citrus arise from
1. Maternal sporophytic tissue in ovule
2. Antipodal cells
3. Diploid egg
4. Synergids

Wind pollinated flowers are
1. Small, producing large number of dry pollen grains
2. large producing abundant nectar and pollen
3. Small, producing nectar and dry pollen
4. Small, brightly coloured, producing large number of pollen grains

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

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

Plants with ovaries having only one or a few ovules, are generally pollinated by:
1. Bees
2. Butterflies
3. Birds
4. Wind

Megasporangium is equivalent to :
1. Fruit
2. Nucellus
3. Ovule
4. Embryo sac

Which one of the following statements is correct?
1. Sporogenous tissue is haploid
2. Endothecium produces the microspores
3. Tapetum nourishes the developing pollen
4. Hard outer layer of pollen is called intine

Geitonogamy involves
1. Fertilization of a flower by the pollen from another flower of the same plant
2. Fertilization of a flower by the pollen from same flower
3. Fertilization of a flower by the pollen from a flower of another plant in the same population
4. Fertilization of a flower by the pollen from a flower of another plant belonging to a distant population

Pollen tablets are available in the market for:
1. In vitro fertilization
2. Breeding programmes
3. Supplementing food
4. Ex situ conservation