NEET 2025, Biology Q31: Microbes in Industrial and Household Products
NEET2025Biology
Q.
Which of the following microbes is NOT involved in the preparation of household products?
A. Aspergillus niger
B. Lactobacillus
C. Trichoderma polysporum
D. Saccharomyces cerevisiae
E. Propionibacterium sharmanii
Choose the correct answer from the options given below:
- A
C and E only
- B
A and B only
- C
A and C only
- D
C and D only
Solution
Industrial / non-household microbes:
- Aspergillus niger — industrial production of citric acid.
- Trichoderma polysporum — industrial production of the immunosuppressant cyclosporin A; also a biocontrol agent.
Household-product microbes:
- Lactobacillus — curd.
- Saccharomyces cerevisiae — toddy / bread / brewing.
- Propionibacterium sharmanii — Swiss cheese.
A and C are not used in household products.
Concept behind this question
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