Introduction to Sexual reproduction in plants

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Across
  1. 4. This part of the plant consists of a filament and an anther.
  2. 6. The pollen sacs are also referred to as ______________________________.
  3. 8. One sperm fertilizes the _______________ cell.
  4. 9. Part of the flower where pollen is produced.
  5. 10. Transfer of pollen grains from the anther to the stigma of the flowering plant is called.
  6. 11. How many of the four megaspores produced by the mother cells in the ovule survive?
  7. 15. Flower with both male and female reproductive parts is said to be what?
  8. 17. The development of the microgametophyte within the pollen grain,.
  9. 19. Each microspore contains one generative cell and one ________________ cell which directs the growth of the pollen tube.
Down
  1. 1. Another name for the microgametophyte is _________________________.
  2. 2. How many microspores are derived from each mother cell in the anther?
  3. 3. Another name for embryo sac.
  4. 5. The formation of microspore.
  5. 7. The megaspore is formed by a process called.
  6. 12. The female part of the flower.
  7. 13. Type of cell division which occurs in the production of pollen.
  8. 14. The generative cell divides into _______________ sperm.
  9. 16. This part of the flower is responsible for collecting pollen.
  10. 18. Another name for the megasporangium.