Q. No.Which one of the following pairs is wrongly matched?
1. Textile - amylase
2. Detergents - lipase
3. Alcohol - nitrogenase
4. Fruit juice - pectinase
1. Textile - amylase
2. Detergents - lipase
3. Alcohol - nitrogenase
4. Fruit juice - pectinase
Which of the following is not used as a biopesticide?
1. Xanthomonas campestris
2. Bacillus thuringiensis
3. Trichoderma harzianum
4. Nucleopolyhedrovirus
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
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A common biocontrol agent for the control of plant diseases is
1. Trichoderma
2. Baculovirus
3. Bacillus thuringiensis
4. Glomus
The common nitrogen fixer in paddy fields is:
| 1. | Frankia | 2. | Rhizobium |
| 3. | Azospirillum | 4. | Oscillatoria |
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To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
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The most common substrate used in distilleries for the production of ethanol is
1. Molasses
2. Corn meal
3. Soya meal
4. Ground gram
Ethanol is commercially produced through a particular species of
1. Aspergillus
2. Saccharomyces
3. Clostridium
4. Trichoderma
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Which one of the following is not a biofertilizer?
1. Mycorrhiza
2. Agrobacterium
3. Rhizobium
4. Nostoc
An organism used as biofertilizer for raising soyabean crop is
1. Nostoc
2. Azotobacter
3. Azospirillum
4. Rhizobium
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