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STD 12 - 10. biotechnology and its application — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 10. biotechnology and its application1 Mark
MCQ
The crops having cry genes needs
  • ✓
    No insecticide
  • B
    Small amount of insecticide
  • C
    Large amount of insecticide
  • D
    None of the above
✓

Answer

Correct option: A.
No insecticide
a
Bacillus thuringiensis is a natural insecticide with unusual properties that makes it useful for pest control in certain situations. Bacillus thuringiensis forms protein crystals (Cryprotein or cry gene) which contains a toxic insecticidal protein. The plant which is genetically modified with Bt toxin cry gene forms toxin inside its own plant cell to protect against insects and thus needs no external Insecticide

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