• 1. 
    Double fertilization in angiosperms was discovered by:

  • Strassburger
  • J. C. Bose
  • Maheshwari
  • Nawaschin
  • 2. 
    How many meiotic divisions are necessary to produce 100 pollen grains ?

  • 100
  • 50
  • 25
  • 20
  • 3. 
    Double fertilization means:

  • Fusion of two eggs
  • Fusion of egg and pollen nuder of two pollen grains
  • Fusion of two polar nuclei with one male gamete
  • Fusion between synergid cells and male gamete
  • 4. 
    Pollination by bats is called:

  • omithophily
  • Entromophily
  • Cheiropterophily
  • Hydrophily
  • 5. 
    Pollination by snails is called:

  • Malecophily
  • Zoophily
  • Anemophily
  • Hydrophily
  • 6. 
    Development of fruit without fertilizations is:

  • Parthenogenesis
  • Heterostyly
  • Parthenocarpy
  • Agamospermy
  • 7. 
    Who discovered fertilization?

  • Nawaschin
  • Strassburger
  • Leeuwen Hock
  • Robert Hook
  • 8. 
    When more than one embryoper embryosac is found. It is called:

  • Embryogeny
  • Amphimisis
  • Agamospormy
  • Polyembryoni
  • 9. 
    When pollen tube enter into the nucellus through micropyle is called:

  • Porogamy
  • Xenogamy
  • Mesogamy
  • Dikogamy
  • 10. 
    Maturation of male and female sex organs at different times is known as:

  • Herkogamy
  • Dichogamy
  • Polygamy
  • Apogamy
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