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NEET UG BIOLOGY MCQ: MICROBES IN HUMAN WELFARE
1
Medium
1 of 1
Understanding
+4 | -1
Study the following flow chart that shows curd formation from milk and select the correct option for A and B
Milk is incubated with curd
↓
LAB shows growth in milk
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Production of …..A…..
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Coagulation and digestion of milk protein
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Improved nutritional quality by increased ….B….
Milk is incubated with curd
↓
LAB shows growth in milk
↓
Production of …..A…..
↓
Coagulation and digestion of milk protein
↓
Improved nutritional quality by increased ….B….
View answer and explanation
Correct option: B
A-lactic acid; B-vitamin-
Option B is correct because LAB produces lactic acid, which coagulates milk protein, and increases vitamin- improving nutritional quality.
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Assertion: An organ transplant patient if not
provided with cyclosporin A may reject the
transplanted organ.
Reason: Cyclosporin A inhibits activation of T-cells
and interferes with destruction of non-self cells. Assertion (A): Streptokinase acts as a clot-buster.
Reason (R): Streptokinase is given to patients who have undergone myocardial infarction. The bacterium that commonly lives in animal and human intestine is Consider the following statements I. Ladybirds and dragonflies are used to get rid of aphids and mosquitoes II. The bacteria Bacillus thuringiensis (Bt) are used to control caterpillar III. Trichoderma sp. free living fungi, are present in root ecosystems where they act against several plant pathogens IV. Rhizobium is a symbiotic bacterium that lives in the stem of legumes Which of the statements given above are correct? Which of the following serve as biofertilizer in paddy fields? Methanogens, growing anaerobically on cellulosic material, produce
provided with cyclosporin A may reject the
transplanted organ.
Reason: Cyclosporin A inhibits activation of T-cells
and interferes with destruction of non-self cells. Assertion (A): Streptokinase acts as a clot-buster.
Reason (R): Streptokinase is given to patients who have undergone myocardial infarction. The bacterium that commonly lives in animal and human intestine is Consider the following statements I. Ladybirds and dragonflies are used to get rid of aphids and mosquitoes II. The bacteria Bacillus thuringiensis (Bt) are used to control caterpillar III. Trichoderma sp. free living fungi, are present in root ecosystems where they act against several plant pathogens IV. Rhizobium is a symbiotic bacterium that lives in the stem of legumes Which of the statements given above are correct? Which of the following serve as biofertilizer in paddy fields? Methanogens, growing anaerobically on cellulosic material, produce