Microbes in industrial products β€” NEET Biology Questions

Practice 56 questions on Microbes in industrial products from Microbes in human welfare (NCERT Class 12, Chapter 8). Free samples below β€” get all 56 in the app.

56 Questions Microbes in human welfare Class 12

Sample Questions β€” Microbes in industrial products

Try 5 questions below from Microbes in industrial products. Get all 56 in the MedicNEET app.

MCQ
Why is streptokinase used for myocardial infarction patients?
  • A. It is an antibiotic
  • B. It stimulates nerve growth
  • C. It prevents dehydration
  • D. It dissolves blood clots
βœ… Correct Answer: D
It acts as a clot buster for heart attack patients.
MCQ
Which microbe is commonly called brewer’s yeast?
  • A. Saccharomyces cerevisiae
  • B. Lactobacillus
  • C. Candida albicans
  • D. Penicillium notatum
βœ… Correct Answer: A
This yeast is used in both bread and alcoholic beverage production.
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MCQ
Why is Aspergillus niger used in citric acid production?
  • A. It ferments sugar into alcohol
  • B. It has antifungal properties
  • C. It forms spores
  • D. It secretes large amounts of citric acid
βœ… Correct Answer: D
This fungal strain is efficient for commercial citric acid production.
MCQ
Which enzymes are used in detergents to remove oily stains?
  • A. Proteases
  • B. Amylases
  • C. Lipases
  • D. Cellulases
βœ… Correct Answer: C
Lipases break down fats in laundry.
MCQ
Why was the discovery of streptokinase significant in medical therapy?
  • A. It prevents strokes
  • B. It increases white blood cells
  • C. It dissolves clots during myocardial infarction
  • D. It repairs DNA damage
βœ… Correct Answer: C
Streptokinase is used as a clot buster to treat heart attacks.

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