Which one of the following pairs is incorrectly matched?  

            Microorganism

             Product obtained

1.

Coliforms

Vinegar

2.

Methanogens

Gobar gas

3.

Yeast

Ethanol

4.

Streptomycetes

Antibiotic

Subtopic:  Microbes in Production of Biogas |
 84%
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A genetically engineered microorganism used successfully in bioremediation of oil spills is a species of   

1. Bacillus
2. Pseudomonas
3. Trichoderma
4. Xanthomonas

Subtopic:  Chemicals, Enzymes & Other Bioactive Molecules |
 59%
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Modern detergents contain enzyme preparations of
1. Thermoacidophiles 
2. Thermophiles
3. Acidophiles
4. Alkaliphiles 

Subtopic:  Microbes in Household Products |
 56%
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Which of the following proved effective for biological control of nematodal disease in plants? 
1. Paecilomyces lilacinus
2. Pisolithus tinctorius
3. Pseudomonas cepacia
4. Gliocladium virens 

Subtopic:  Industrial Products, Beverages & Antibiotics |
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Trichoderma harzianum has proved a useful microorganism for:
1. Biological control of soil-borne plant pathogens
2. Bioremediation of contaminated soils
3. Reclamation of wastelands
4. Gene transfer in higher plants

Subtopic:  Chemicals, Enzymes & Other Bioactive Molecules |
 83%
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Which one of the following pairs is wrongly matched?  
1. Textile - amylase 
2. Detergents - lipase
3. Alcohol - nitrogenase
4. Fruit juice - pectinase 

Subtopic:  Microbes in Household Products |
 82%
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Which of the following is not used as a biopesticide?  
1. Xanthomonas campestris 
2. Bacillus thuringiensis
3. Trichoderma harzianum
4. Nucleopolyhedrovirus 

Subtopic:  Microbes in Biocontrol Agent |
 69%
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Select the correct statement from the following: 
1. Biogas commonly called gobar gas is pure methane
2. Activated sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria
3. Biogas is produced by the activity of aerobic bacteria on animal waste
4. Methanobacterium is an aerobic bacterium found in rumen of cattle
 

Subtopic:  Microbes in Sewage Treatment |
 60%
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A common biocontrol agent for the control of plant diseases is  
1. Trichoderma 
2. Baculovirus
3. Bacillus thuringiensis
4. Glomus 

Subtopic:  Microbes in Biocontrol Agent |
 63%
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The common nitrogen fixer in paddy fields is:

1. Frankia  2. Rhizobium
3. Azospirillum 4. Oscillatoria 

Subtopic:  Microbes in Biocontrol Agent |
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