Across
- 1. In the grass family the cotyledon is called ........... that is situated towards one side (lateral) of the embryonal axis.
- 6. The ........... gives rise to the proembryo and subsequently to the globular, heart-shaped and mature embryo.
- 7. Most zygotes divide only after certain amount of .......... is formed.
- 9. This is an adaptation to provide assured .......... to the developing embryo.
- 10. A typical dicotyledonous embryo , consists of an ................ and two cotyledons.
- 12. Though the seeds differ greatly, the ............. of embryo development (embryogeny) are similar in both monocotyledons and dicotyledons.
- 13. The portion of embryonal axis above the level of cotyledons is the ........., which terminates with the ......... or stem tip.
Down
- 2. Epicotyl has a shoot apex and a few leaf primordia enclosed in a hollow foliar structure, the ...........
- 3. At its lower end, the embryonal axis has the radical and root cap enclosed in an undifferentiated sheath called ..............
- 4. The cylindrical portion below the level of cotyledons is ........... that terminates at its lower end in the .......... or root tip.
- 5. The root tip is covered with a ............
- 8. Embryo develops at the ............ end of the embryo sac where the zygote is situated.
- 11. Embryos of monocotyledons (Figure 1.14b) possess only ...............