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Q. No.
Which of the following is mainly produced by the activity of anaerobic bacteria on sewage?
1. Propane
2. Mustard gas
3. Marsh gas
4. Laughing gas
Which of the following is mainly produced by the activity of anaerobic bacteria on sewage?
1. Propane
2. Mustard gas
3. Marsh gas
4. Laughing gas
Subtopic: Microbes in Sewage Treatment |
83%
Level 1: 80%+
AIPMT - 2011
Hints
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
Hints
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
Hints
Links
The most common substrate used in distilleries for the production of ethanol is:
1. soya meal
2. ground gram
3. molasses
4. com meal
Subtopic: Industrial Products, Beverages & Antibiotics | Chemistry of Fermented Beverages |
73%
Level 2: 60%+
AIPMT - 2011
Hints
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
Hints
An organism used as a bio-fertilizer for raising soybean crop is:
| 1. | Azospirillum | 2. | Rhizobium |
| 3. | Nostoc | 4. | Azotobacter |
Subtopic: Microbes as Biofertilizer |
66%
Level 2: 60%+
AIPMT - 2011
Hints
Links
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
Hints
A common biocontrol agent for the control of plant diseases is:
1. Baculovirus
2. Bacillus thuringiensis
3. Glomus
4. Trichoderma
Subtopic: Microbes in Biocontrol Agent |
61%
Level 2: 60%+
AIPMT - 2010
Hints
The common nitrogen-fixer in paddy fields is:
1. Rhizobium
2. Azospirillum
3. Oscillatoria
4. Frankia
Subtopic: Microbes as Biofertilizer |
Level 4: Below 35%
AIPMT - 2010
Hints
Which one of the following is not used in organic farming?
1. Glomus
2. Earthworm
3. Oscillatoria
4. Snail
Subtopic: Microbes as Biofertilizer |
75%
Level 2: 60%+
AIPMT - 2010
Hints
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