Chapter – 1. Sexual Reproduction in Flowering Plants

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