1. | Geitonogamy | 2. | Xenogamy |
3. | Autogamy | 4. | Cleistogamy |
1. | wind pollinated plants | 2. | insect pollinated plants |
3. | bird pollinated plants | 4. | bat pollinated plants |
1. | Synergids, antipodals and Polar nuclei |
2. | Synergids, Primary endosperm nucleus and zygote |
3. | Antipodals, synergids, and primary endosperm nucleus |
4. | Synergids, Zygote and Primary endosperm nucleus |
1. | To protect seeds | 2. | To attract insects |
3. | To trap pollen grains | 4. | To disperse pollen grains |
a: | the female flower buds of plant producing unisexual flower need not be bagged. |
b: | there is no need to emasculate unisexual flowers of selected female parent. |
c: | emasculated flowers are to be bagged immediately after cross pollination. |
d: | emasculated flowers are to be bagged after removal of anthers. |
e: | bisexual flowers, showing protogyny are never selected for cross. |
1. | One egg cell, two synergids, three antipodal cells, two Polar nuclei |
2. | One egg cell, two synergids, two antipodal cells, three Polar nuclei |
3. | One egg cell, three synergids, two antipodal cells, two Polar nuclei |
4. | One egg cell, two synergids, two antipodal cells, two Polar nuclei |
Which of the following set represents the correct labeling of A, B, C and D with respect to the given diagram?
1. | A- Seed Coat, B- Cotyledon, C- Endosperm, D - Hypocotyle |
2. | A -Seed Coat, B- Scutellum, C- Endocarp, D - Mesocarp |
3. | A- Seed Coat, B- Scutellum, C- Microphyle, D - Endocarp |
4. | A-Pericarp, B - Coleoptile |
What will be the ploidy of endosperm of a seed produced after crossing tetraploid female plant with tetraploid male plant?
1. Pentaploid
2. Hexaploid
3. Diploid
4. Triploid