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STD 12 - 10. biotechnology and its application — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 10. biotechnology and its application4 Marks
MCQ
Bt toxin protein crystals present in bacterium Bacillus thuringiensis, do not kill the bacteria themselves because
  • A
    Bacteria are resistant to the toxin
  • B
    Bacteria enclose toxins in a special sac
  • ✓
    Toxins occur as an inactive protoxins in bacteria
  • D
    None of the above
✓

Answer

Correct option: C.
Toxins occur as an inactive protoxins in bacteria
c
Bt toxin protein crystals present in bacterium Bacillus thuringiensis, do not kill the bacteria themselves because toxins occur as inactive protoxin in bacteria

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