The innermost layer of anther is tapetum whose function is : from

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


C.

nutrition
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2. In a bisexual flower when the gynaecium matures earlier than anther, it is called as :
  • protandry
  • protogyny
  • herkogyny
  • None of the above.
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3. Simultaneous meiotic division of microspore mother cells leads to :
  • tetrahedral tetrad
  • linear tetrad
  •  isobilateral
  • decussate tetrad.
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4. The fertilization occurs in the :
  • ovary
  • ovule
  • embryo sac
  • nucellus.
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5. The female gametophyte of a typical dicot at the time of fertilization is:
  •  8-celled
  • 7-celled
  • 6-celled
  • 4-celled
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6. Development of embryo  from any cell of nucellus is called :
  • Apogamy
  •  Apospory
  • Parthenogenesis
  • Sporogenesis
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7. Parthenocarpic fruit is :
  • fruit with immature seeds
  • fruit with mature seed
  •  fruit developed without fertilization
  • only seeds and no fruits.
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8. The entry of pollen tube into embryo sac through the integuments is termed as :
  • porogamy
  • chalazogamy
  • mesogamy
  • Both (a) and (b)
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9. 512 microspores will be formed following meiosis of how many microspore mother cells.
  • 16
  • 64
  • 128
  • 256
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10. Pollination by water occurs in :
  • vallisneria
  • corn cob
  • rose
  • sunflower.
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