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Measuring Biochemical Oxygen Demand (BOD) is a method used for:
1.
Estimating the amount of organic matter in sewage water
2.
Working out the efficiency of oil-driven automobile engines
3.
Measuring the activity of Saccharomyces cerevisiae in producing curd on a commercial scale
4.
Working out the efficiency of RBCs about their capacity to carry oxygen
Subtopic: Microbes in Sewage Treatment |
95%
Level 1: 80%+
AIPMT - 2012
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Monascus purpureus is the yeast used commercially in the production of:
| 1. | Ethanol |
| 2. | Streptokinase for removing clots from the blood vessels |
| 3. | Citric acid |
| 4. | Blood cholesterol-lowering statins |
Subtopic: Chemicals, Enzymes & Other Bioactive Molecules |
89%
Level 1: 80%+
AIPMT - 2012
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A patient brought to a hospital with myocardial infarction is normally immediately given:
| 1. | penicillin | 2. | streptokinase |
| 3. | cyclosporin-A | 4. | statins |
Subtopic: Chemicals, Enzymes & Other Bioactive Molecules |
76%
Level 2: 60%+
AIPMT - 2012
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Which one of the following microbes forms a symbiotic association with plants and helps them in their nutrition?
1. Azotobacter
2. Aspergillus
3. Glomus
4. Trichoderma
Subtopic: Microbes as Biofertilizer |
75%
Level 2: 60%+
AIPMT - 2012
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Yeast is used in the production of:
1. Citric acid and lactic acid
2. Lipase and pectinase
3. Bread and beer
4. Cheese and butter
Subtopic: Chemistry of Fermented Beverages |
94%
Level 1: 80%+
AIPMT - 2012
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Which one of the following is an example of carrying out biological control of pests/diseases using microbes?
1. Trichoderma sp. against certain plant pathogens
2. Nucleopolyhedrovirus against white rust in Brassica
3. Bt-cotton to increase cotton yield
4. Ladybird beetle against aphids in mustard
Subtopic: Microbes in Biocontrol Agent |
53%
Level 3: 35%-60%
AIPMT - 2012
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Which one of the following helps in absorption of phosphorus from the soil by plants?
1. Rhizobium
2. Frankia
3. Anabaena
4. Glomus
Subtopic: Microbes as Biofertilizer |
81%
Level 1: 80%+
AIPMT - 2011
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Which one of the following is not a biofertilizer?
1. Rhizobium
2. Nostoc
3. Mycorrhiza
4. Agrobacterium
Subtopic: Microbes as Biofertilizer |
83%
Level 1: 80%+
AIPMT - 2011
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Ethanol is commercially produced through a particular species of:
| 1. | Clostridium | 2. | Trichoderma |
| 3. | Aspergillus | 4. | Saccharomyces |
Subtopic: Chemistry of Fermented Beverages |
94%
Level 1: 80%+
AIPMT - 2011
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Select the correct statement from the following:
| 1. | Biogas is produced by the activity of aerobic bacteria on animal waste |
| 2. | Methanobacterium is an aerobic bacterium found in the rumen of cattle |
| 3. | Biogas, commonly called gobar gas, is pure methane |
| 4. | Activated sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria |
Subtopic: Microbes in Sewage Treatment |
61%
Level 2: 60%+
AIPMT - 2010
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