Q. No.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
Rising of dough is due to
1. multiplication of yeast
2. production of CO2
3. emulsification
4. hydrolysis of wheat flour starch into sugars
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) |
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
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) |
Given below are the results of three water samples subjected to BOD test:
| I. | Sample A can be from secondary effluent discharged from an STP. |
| II. | Sample B can be from a river presumed to be mild to moderately polluted. |
| III. | Sample C can be from untreated sewage water. |
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Which of the following serve as important biofertilizers in paddy fields?
1. Rhizobia
2. Frankia
3. Nitrobacter
4. Cynobacteria
Baculoviruses are excellent candidates for:
| 1. | Species-specific, narrow-spectrum insecticidal applications |
| 2. | Species-specific, broad-spectrum insecticidal applications |
| 3. | Biocontrol of fungal diseases |
| 4. | Biocontrol of aphids and mosquitoes |
© 2024 GoodEd Technologies Pvt. Ltd.