Match the following microorganism with product
Column - I | Column - II | ||
(a) | Clostridium butylicum | (i) | Cyclosporin A |
(b) | Trichoderma polysporunt | (ii) | Butyric acid |
(c) | Monascus purpureus | (iii) | Citric acid |
(d) | Aspergillus niger | (iv) | Blood cholesterol lowering agent |
(a) | (b) | (c) | (d) | |
1. | (ii) | (i) | (iv) | (iii) |
2. | (i) | (ii) | (iv) | (iii) |
3. | (iv) | (iii) | (ii) | (i) |
4. | (iii) | (iv) | (ii) | (i) |
Which of the following is put into anaerobic sludge digester for further sewage treatment?
1. Floating debris
2. Effluents of primary treatment
3. Activated sludge
4. Primary sludge
For the commercial and industrial production of Citric Acid, which of the following microbes is used?
1. Aspergillus niger
2. Lactobacillus sp
3. Saccharomyces cerevisiae
4. Clostridium bretylium
Match the following columns and select the correct option:-
Column I |
Column II |
||
(a) |
Dragonflies |
(i) |
Biocontrol agents of several plant pathogens |
(b) |
Bacillus thuringiensis |
(ii) |
Get rid of mosquitoes |
(c) |
Glomus |
(iii) |
Narrow spectrum insecticidal applications |
(d) |
Baculoviruses |
(iv) |
Biocontrol agents of lepidopteran plant pests |
(v) |
Absorb phosphorus from soil |
Options: | (a) | (b) | (c) | (d) |
1. | (iii) | (v) | (iv) | (i) |
2. | (ii) | (i) | (iii) | (iv) |
3. | (ii) | (iii) | (iv) | (v) |
4. | (ii) | (iv) | (v) | (iii) |
Cyclosporin A, used as an immuno-suppression agent, is produced from:
1. Monascus purpureus
2. Saccharomyces cerevisiae
3. Penicillium notatum
4. Trichoderma polysporum
Among the following pairs of microbes, which pair has both the microbes that can be used as biofertilizers?
1. Aspergillus and Rhizopus
2. Rhizobium and Rhizopus
3. Cyanobacteria and Rhizobium
4. Aspergillus and Cyanobacteria
Which of the following statements about methanogens is not correct?
1. | They can be used to produce biogas. |
2. | They are found in the rumen of cattle and their excreta. |
3. | They grow aerobically and breakdown cellulose-rich food. |
4. | They produce methane gas. |
For a biocontrol agent to be part of an integrated pest management, it should be:
1. | species-specific and symbiotic |
2. | free living and broad spectrum |
3. | narrow spectrum and symbiotic |
4. | species-specific and inactive on non-target organisms |
Match List - I with List - II
List - I | List - II | ||
(a) | Aspergillus Niger | (i) | Acetic Acid |
(b) | Acetobacter aceti | (ii) | Lactic Acid |
(c) | Clostridium bretylium | (iii) | Citric Acid |
(d) | Lactobacillus | (iv) | Butyric Acid |
Choose the correct answer from the options given below:
(a) | (b) | (c) | (d) | |
1. | (ii) | (iii) | (i) | (iv) |
2. | (iv) | (ii) | (i) | (iii) |
3. | (iii) | (i) | (iv) | (ii) |
4. | (i) | (ii) | (iii) | (iv) |
Match the following :
(a) |
Lactobacillus |
(i) |
Cheese |
(b) |
Saccharomyces cerevisiae |
(ii) |
Curd |
(c) |
Aspergillus niger |
(iii) |
Citric Acid |
(d) |
Acetobacter aceti |
(iv) |
Bread |
(v) |
Acetic acid |
Options: | (a) | (b) | (c) | (d) |
1. | (ii) | (i) | (iii) | (v) |
2. | (ii) | (iv) | (v) | (iii) |
3. | (ii) | (iv) | (iii) | (v) |
4. | (iii) | (iv) | (v) | (i) |