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Microbes in Human Welfare — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYMicrobes in Human Welfare1 Mark
MCQ
Thurioside is a proteinaceous toxin, which is obtained from:
  • A
    Biofertilizer
  • B
    Farmyard manure
  • C
    Green manure
  • D
    Bacteria
✓

Answer

  1. Bacteria

Explanation:

Thurioside is a toxin produced by the bacterium Bacillus thuringiensis. Thus, it is of bactericidal origin. It is used as a bio-insecticide, as it is highly effective against disease causing insects like flies, moths, mosquitoes etc. If consumed by mistake, it acts as a stomach poison.

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