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Q. No.Consider the given two statements:
Assertion (A):
The large holes in Swiss cheese are formed due to the release of carbon dioxide by Propionibacterium sharmanii during fermentation.
Reason (R):
Propionibacterium sharmanii ferments lactose into lactic acid, which produces large quantities of carbon dioxide.
1.
Both (A) and (R) are True and (R) is the correct explanation of (A).
2.
Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.
(A) is True but (R) is False.
4.
Both (A) and (R) are False.
Subtopic: Microbes in Household Products |
53%
Level 3: 35%-60%
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Which of the following accurately describes the competitive action of statins produced by Monascus purpureus?
| 1. | They inhibit the enzyme responsible for blood clot formation. |
| 2. | They block the metabolic pathway leading to cholesterol biosynthesis. |
| 3. | They destroy pathogenic microbes in the bloodstream. |
| 4. | They enhance the immune response to suppress cholesterol accumulation. |
Subtopic: Chemicals, Enzymes & Other Bioactive Molecules |
Level 3: 35%-60%
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Consider the given two statements:
| Assertion (A): | The sewage water is treated till the Biological Oxygen Demand (BOD) is reduced. |
| Reason (R): | BOD indicates the rate of uptake of oxygen by microorganisms in a sample of water. |
| 1. | Both (A) and (R) are True and (R) explains (A). |
| 2. | Both (A) and (R) are True but (R) does not explain (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Microbes in Sewage Treatment |
54%
Level 3: 35%-60%
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Consider the given two statements:
| Assertion (A): | Lactobacillus bacteria improve the nutritional quality of curd by increasing its vitamin B12 content. |
| Reason (R): | Lactic acid produced by Lactobacillus bacteria inhibits the growth of disease-causing microbes in the stomach. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Microbes in Household Products |
61%
Level 2: 60%+
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Consider the following statements regarding biofertilisers:
Which of the above statement(s) is/are correct?
1. (a) only
2. (b) only
3. Both (a) and (b)
4. Neither (a) nor (b)
| (a) | Rhizobium forms a symbiotic association with leguminous plants and helps in fixing atmospheric nitrogen into organic forms, benefiting the plant. |
| (b) | Azospirillum and Azotobacter are examples of symbiotic nitrogen-fixing bacteria that enrich soil nitrogen content. |
1. (a) only
2. (b) only
3. Both (a) and (b)
4. Neither (a) nor (b)
Subtopic: Microbes as Biofertilizer |
Level 3: 35%-60%
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Consider the given two statements:
| Statement I: | Biocontrol methods are highly effective at eradicating all pests from agricultural fields, thus eliminating the need for chemical pesticides. |
| Statement II: | Biocontrol methods promote biodiversity by allowing beneficial organisms to thrive while controlling harmful pests. |
| 1. | Statement I is correct; Statement II is correct. |
| 2. | Statement I is correct; Statement II is incorrect. |
| 3. | Statement I is incorrect; Statement II is correct. |
| 4. | Statement I is incorrect; Statement II is incorrect. |
Subtopic: Microbes in Biocontrol Agent |
50%
Level 3: 35%-60%
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Given below are two statements:
In light of the above statements, choose the most appropriate answer from the options given below:
1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect
4. Statement I is incorrect but Statement II is correct.
| Statement I: | Bacterial infection by Bacillus thuringiensis can kill only caterpillar larvae. |
| Statement II: | B. thuringiensis cannot kill adult moths. |
1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect
4. Statement I is incorrect but Statement II is correct.
Subtopic: Microbes in Biocontrol Agent |
Level 4: Below 35%
NEET - 2024
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Consider the given two statements:
| Assertion (A): | Alcoholic fermentation by yeast is used in the production of bread |
| Reason (R): | Alcoholic fermentation by yeast produces ethanol. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A) |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Industrial Products, Beverages & Antibiotics |
Level 3: 35%-60%
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Considering biocontrol agents in agriculture, which of the following pairs is correctly matched with its target pest?
1. Only A
2. Only B
3. Both A and B
4. Neither A nor B
| A: | Bacillus thuringiensis - Nematodes |
| B: | Trichoderma - Root fungi |
2. Only B
3. Both A and B
4. Neither A nor B
Subtopic: Microbes in Biocontrol Agent |
54%
Level 3: 35%-60%
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Consider the given two statements:
Choose the correct option.
| Assertion (A): | Secondary treatment of sewage water involves the use of aerobic bacteria. |
| Reason (R): | Aerobic bacteria break down organic matter into inorganic substances like \(\text{CO}_2\) and \(\text{H}_2 \text{O}\). |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Microbes in Sewage Treatment |
54%
Level 3: 35%-60%
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