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In a bisexual flower when the gynaecium matures earlier than anther, it is called as :
  • protandry
  • protogyny
  • herkogyny
  • None of the above.


B.

protogyny
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What do you mean by development of embryo? Support the answer with diagram.

Explain the development of female gametophyte. Illustrate the answer with suitable diagrams.

The innermost layer of anther is tapetum whose function is :
  • dehiscence
  • mechanical
  • nutrition
  •  protection.

Explain the germination of pollen grain with the help of a diagram.

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