CBSE  /  Class 12  /  Biology  /  Biotechnology and its Applications

  • 1. 
    Natural genetic engineer is :

  • Bacillus subtilis
  • Pseudomonas sp. (c) Escherichia coli

  • 2. 
    Bt toxin is :

  • Intracellular lipid
  • Intracellular crystalline protein
  • Extracellular crystalline protein
  • Lipid

  • 3. 
    Golden rice is a transgenic crop of the future with the following improved trail:

  • Insec resistance
  • Hight lysine (essential amino acid) content
  • High protein content
  • High vitamin A content

  • 4. 
    First biochemical to be produced commercially by microbial cloning and genetic engineering:

  • Human insulin
  • Penicillin
  • Interferons
  • Fertility factor

  • 5. 
    A technology which has found immense use in solving cases of disputed percentage is:

  • Polymerase chain reaction
  • DNA finger printing
  • None of these
  • Both (a) and (b)

  • 6. 
    Anticoagulant hirudin is found in:

  • In Snake
  • In Lizard
  • In Leech
  • In Scorpion

  • 7. 
    Herbicide resistant gene in plants is:

  • Ct
  • Mt
  • Bt
  • Gst

  • 8. 
    The species used as natural genetic engineer is :

  • Agrobacterim tumefaciens
  • Bacillus thruingiensis
  • Aspergillus
  • Drosophila

  • 9. 
    Most widely used Bioweapon is:

  • Bacillus subtilis
  • Biometallurgial techniques
  • Bacillus anthracis
  • Bioinsecticidal plant

  • 10. 
    Bacillus thruingiensis (Bt) strains have been used for designing nobel:

  • Biofertilizers
  • Biometallurgical techniques
  • Biomineralization processes
  • Bioinsecticidal plants
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