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प्रश्न
Assertion (A): Besides curdling of milk, LAB also improves its nutritional quality by increasing Vitamin B12.
Reason (R): LAB, when present in the stomach, checks disease-causing microbes.
पर्याय
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
Assertion (A) is true, but Reason (R) is false.
Assertion (A) is false, but Reason (R) is true.
MCQ
विधान आणि तर्क
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उत्तर
Assertion (A) is false, but Reason (R) is true.
Explanation:
- Assertion is false: ordinary lactic acid bacteria used to curdle milk do not generally produce appreciable vitamin B12; increasing vitamins in foods requires specific biofortification or use of B12-producing microbes/strains rather than being a general property of all LAB.
- Reason is true: LAB (probiotic lactic acid bacteria) can inhibit disease-causing microbes in the gut by acidifying the environment, competing for niches/nutrients and producing antimicrobial compounds, so they help check pathogens.
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