The arrangement of the nuclei in a normal embryo sac in the dicot plants is:
1. 2+4+2
2. 3+2+3
3. 2+3+3
4. 3+3+2
In a cereal grain, the single cotyledon of the embryo is represented by:
1. | coleorhiza | 2. | scutellum |
3. | prophyll | 4. | coleoptiles |