Reproduction in Lower and Higher Plants

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Across
  1. 4. Innermost nutritive layer of anther wall
  2. 6. Embryo formation without gamete formation and fertilization
  3. 7. Pollination by bats
  4. 11. Guide the pollen tube towards egg cell
  5. 12. Product of triple fusion
  6. 13. Protective sheath of plumule
  7. 15. The most common type of ovule
  8. 16. Part of the stem having more than one bud
  9. 17. Entry of pollen tube through integuments
  10. 19. A state of metabolic arrest in seed
Down
  1. 1. An anther with two lobes
  2. 2. Morphologically and genetically identical individuals
  3. 3. Fusion of gametes
  4. 5. Specialized reproductive structure of a plant
  5. 6. Pollination by wind
  6. 8. A prerequisite for fertilization
  7. 9. Induces pollen tube formation in vitro
  8. 10. Presence of mechanical device to prevent self-pollination
  9. 14. Commonly observed in Citrus plants
  10. 18. Needed for gamete formation and genetic recombination