Reproduction in organisms

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Across
  1. 2. apparatus egg cell and Synergids together
  2. 4. hyacinth terror of Bengal
  3. 7. vegetative propagule of ginger
  4. 11. stalk of the ovule
  5. 12. plant species that flowers once in 50 to 100 years
  6. 13. layer of microsporangium that nourishes pollen
  7. 15. envelopes of ovule
  8. 18. cells towards chalazal end of embryo sac
  9. 19. preservation of pollen in liquid nitrogen
Down
  1. 1. pollination with synchrony in pollen release & stigma receptivity
  2. 3. internal buds of sponges
  3. 5. made up of sporopollenin in pollen grain
  4. 6. process of formation of male gamete
  5. 8. plants with two year life span
  6. 9. junction between ovule body and funicle
  7. 10. bilobed anthers
  8. 12. a type of asexual reproduction by forming buds
  9. 14. cycle reproductive cycle in non-primates
  10. 16. animals that gives birth to young ones
  11. 17. wall of fruit