CBSE  /  Class 12  /  Biology  /  Reproduction in Organisms

  • 1. 
    Vegetative reproduction takes place in Bacteria :

  • By binary fission
  • By hybridization
  • Byfiission
  • By fission

  • 2. 
    In potato, which structure takes part in vegetative reproduction?

  • Adventitious root
  • Apex bud of stem
  • Germinating eye bud
  • Arial shoot

  • 3. 
    Which structure takes part in gametogenesis :

  • Male gamete)
  • Female gamete
  • Both (a) and (b)
  • Male or female gamete

  • 4. 
    Which of the following is viviparous?

  • Cockroach
  • Scorpion
  • Bee
  • Butterfly

  • 5. 
    In higher plants, fertilization is :

  • External
  • Internal
  • In water
  • In air

  • 6. 
    The reproduction takes place by gemma :

  • In higher plants
  • In lower animals
  • In some bryophytes
  • In mammals

  • 7. 
    The example of bulb is:

  • Ginger
  • Doob grass
  • Onion
  • Potato

  • 8. 
    The organism similar to parent can be obtained by:

  • Speed
  • Zygote
  • Gametes
  • Binary fission

  • 9. 
    The term scion is used in relation to :

  • Embryology
  • Sexual reproduction
  • Pollen
  • Grafting

  • 10. 
    Vegelative reproduction takes place in Bryophyllum :

  • By buds
  • By leaves
  • By seeds
  • By roots
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