Apomictic embryos in Citrus arise from:
1. synergids
2. maternal sporophytic tissue in ovule
3. antipodal cells
4. diploid egg
What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its root tip cells?
1. | 63 | 2. | 84 |
3. | 21 | 4. | 42 |
1. Gossypium
2. Triticum
3. Brassia
4. Citrus
Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called:
1. xenogamy
2. geitonogamy
3. karyogamy
4. autogamy
Wind pollinated flowers are:
1. | small, brightly coloured, producing large number of pollen grains |
2. | small, producing large number of dry pollen grains |
3. | large, producing abundant nectar and pollen |
4. | small, producing nectar and dry pollen |
An example of a seed with endosperm perisperm and caruncle is:
1. cotton
2. coffee
3. lily
4. castor