POLLINATION AND FERTILIZATION IN PLANTS

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Across
  1. 5. transfer of pollen on the same flower.
  2. 6. fusion of gametes
  3. 7. they have a tough protective cover
Down
  1. 1. transfer of pollen on another flower.
  2. 2. _______ carry pollen on their body.
  3. 3. development of zygote forms _______.
  4. 4. formation of zygote