Across
- 8. Among the insects, which are particularly the dominant biotic pollinating agents?
- 10. In pollen banks, pollen grains are stored in
- 11. The protective envelope of an ovule is called
- 12. Only functional megaspore develops into the ……...………… gametophyte.
- 13. The portion of embryonal axis above the level of cotyledons is
- 15. What kind of pollination occurs in the flowers that do not open at all?
- 17. In flowering plants, the female gametophyte is
Down
- 1. Which of the following organic materials make up the inner wall of pollen grains?
- 2. Filiform apparatus is present in
- 3. The outer hard layer of pollen wall is made up of
- 4. In some seeds, the residual persistent nucellus is called
- 5. Waterlily is pollinated by
- 6. Transfer of pollen grains from anther to the stigma of a different plant is known as
- 7. The male gametophyte in flowering plants is represented by
- 9. The number of pollen sacs developed from each microsporangium of a dithecous anther is
- 13. Inartificial hybridization programme, the removal of anthers from the flowers in female parent is known as
- 14. Identify the inner most layer of anther wall layers.
- 16. In an embryosac, triple fusion occurs in ……………… cell
