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Microbes in Human Welfare — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYMicrobes in Human Welfare1 Mark
MCQ
Identify the bacteria that promotes the formation of curd:
  • A
    Vibrio cholerae
  • ✓
    Lactobacillus
  • C
    Mycobacterium leprae
  • D
    Clostridium tetani
✓

Answer

Correct option: B.
Lactobacillus
Lactobacillus acts on the lactose of the milk and converts it into lactic acid. The increased acidity causes the milk proteins $($casein$)$ to coagulate and form the curd.
Vibrio cholerae bacterium causes cholera infection.
Mycobacterium leprae is a bacterium that causes leprosy while tetanus is an infection caused by a bacterium called Clostridium tetani.

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