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Q. No.Which of the following alcoholic drinks are expected to contain less than 15% alcohol content?
I:
Wine
II:
Beer
III:
Whisky
IV:
Rum
1.
Only I and II
2.
Only III and IV
3.
Only I and III
4.
Only II and IV
Subtopic: Chemistry of Fermented Beverages |
85%
Level 1: 80%+
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Penicillin was discovered by:
| 1. | Selman Waksman while working on Staphylococci bacteria |
| 2. | Alexander Fleming while working on Staphylococci bacteria |
| 3. | Albert Schatz while working of Streptomyces |
| 4. | François Henri Hallopeau while working of Streptomyces |
Subtopic: Industrial Products, Beverages & Antibiotics |
98%
Level 1: 80%+
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Lipases are used in:
1. baby foods
2. detergent formulations
3. photographic films
4. meat tenderisation
1. baby foods
2. detergent formulations
3. photographic films
4. meat tenderisation
Subtopic: Chemicals, Enzymes & Other Bioactive Molecules |
97%
Level 1: 80%+
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The bottled juices are clarified by the use of:
1. lipases and proteases
2. lysozyme and chitinase
3. DNase and protease
4. Pectinases and proteases
1. lipases and proteases
2. lysozyme and chitinase
3. DNase and protease
4. Pectinases and proteases
Subtopic: Chemicals, Enzymes & Other Bioactive Molecules |
91%
Level 1: 80%+
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Consider the given two statements:
| Statement I: | The bacterium, Streptococcus, is the source of an enzyme used in patients of myocardial infarction leading to a heart attack. |
| Statement II: | The enzyme is streptokinase, which enhances the action of anti-coagulant heparin. |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is incorrect; Statement II is correct |
| 3. | Statement I is correct; Statement II is incorrect |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Chemicals, Enzymes & Other Bioactive Molecules |
Level 4: Below 35%
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Consider the given two statements:
| Assertion (A): | Cyclosporin A is used as an immunosuppressive agent in organ-transplant patients. |
| Reason (R): | Cyclosporin A is a bioactive molecule produced by the fungus Trichoderma polysporum. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | (A) is True; (R) is False |
| 3. | Both (A) and (R) are False |
| 4. | Both (A) and (R) are True but (R) does not correctly explain (A). |
Subtopic: Chemicals, Enzymes & Other Bioactive Molecules |
69%
Level 2: 60%+
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Consider the given two statements:
| Assertion (A): | Statins produced by the yeast Monascus purpureus have been commercialised as blood-cholesterol lowering agents. |
| Reason (R): | Statins act by competitively inhibiting the enzyme responsible for the synthesis of cholesterol. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | (A) is True; (R) is False |
| 3. | Both (A) and (R) are False |
| 4. | Both (A) and (R) are True but (R) does not correctly explain (A) |
Subtopic: Chemicals, Enzymes & Other Bioactive Molecules |
90%
Level 1: 80%+
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All the following statements regarding the primary treatment of sewage water in a STP are true except:
| 1. | Initially, floating debris is removed by sequential filtration. |
| 2. | Then the grit (soil and small pebbles) are removed by sedimentation. |
| 3. | All solids that settle form the primary sludge, and the supernatant forms the effluent. |
| 4. | The effluent from the primary settling tank is discharged in rivers. |
Subtopic: Microbes in Sewage Treatment |
91%
Level 1: 80%+
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BOD (biochemical oxygen demand) and DO (dissolved oxygen) are measures of pollution levels in a given water sample. Higher the polluting potential of a water sample:
| 1. | Higher are the values of BOD and DO |
| 2. | Lower are the values of BOD and DO |
| 3. | Higher is the value of BOD and lower is the value of DO |
| 4. | Lower is the value of BOD and higher is the value of DO |
Subtopic: Microbes in Sewage Treatment |
83%
Level 1: 80%+
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Regarding ‘activated sludge’ produced during secondary treatment of sewage water:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | A small part of the activated sludge is pumped back into the aeration tank to serve as the inoculum. |
| II: | Major part of the sludge is pumped into large tanks called anaerobic sludge digesters. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Microbes in Sewage Treatment |
92%
Level 1: 80%+
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