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%
From NCERT
AIPMT - 2011
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Which one of the following is not a biofertilizer?

1.  Rhizobium

2.  Nostoc

3.  Mycorrhiza

4.  Agrobacterium

Subtopic:  Microbes as Biofertilizer |
 82%
From NCERT
AIPMT - 2011
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

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 |
 76%
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%
From NCERT
AIPMT - 2011
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

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%
From NCERT
AIPMT - 2011
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NEET 2023 - Target Batch - Aryan Raj Singh
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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 |
 60%
From NCERT
AIPMT - 2010
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NEET 2023 - Target Batch - Aryan Raj Singh
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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 |
 59%
From NCERT
AIPMT - 2010
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NEET 2023 - Target Batch - Aryan Raj Singh

The common nitrogen-fixer in paddy fields is:

1. Rhizobium

2. Azospirillum

3. Oscillatoria

4. Frankia

Subtopic:  Microbes as Biofertilizer |
AIPMT - 2010
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which one of the following is not used in organic farming?

1. Glomus

2. Earthworm

3. Oscillatoria

4. Snail

Subtopic:  Microbes as Biofertilizer |
 75%
AIPMT - 2010
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Which of the following plants you would select for the production of bioethanol?

1. Brassica

2. Zea mays

3. Pongamia

4. jatropha

Subtopic:  Chemistry of Fermented Beverages |
 57%
AIPMT - 2009
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