Q. No.The strategy for biological pest control in which a large population of natural enemies is administered for quick pest control is called:
1.
Importation
2.
Augmentation
3.
Conservation
4.
IPM
Identify the incorrectly matched pair:
|
1. |
Chloramphenicol |
Streptomyces venezuelae |
|
2. |
Streptomycin |
Streptomyces griseus |
|
3. |
Tetracycline |
Streptomyces fradiae |
|
4. |
Puromycin |
Streptomyces alboniger |
Feedstocks used in the production of biogas can normally include all the following except:
| 1. | Animal waste | 2. | Sewage |
| 3. | Silage | 4. | Wood |
Beauveria, Metarhizium, and Paecilomyces are:
1. Mycorrhizal fungi
2. Biofertilizers
3. Entomopathogenic fungi
4. Edible fungi
Consider the given two statements:
| I: | Cyclosporin is used to treat and prevent graft-versus-host disease in bone marrow transplantation and to prevent rejection of kidney, heart, and liver transplants. |
| II: | It selectively inhibits the functions of B lymphocytes acting as an immunosuppressant. |
1. Both I and II are correct and II explains I.
2. Both I and II are correct but II does not explain I.
3. I is correct and II is incorrect.
4. Both I and II are incorrect.
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Consider the given two statements:
I. Coliform bacteria are a commonly used indicator of sanitary quality of foods and water.
II. Coliforms cause a number of serious illness.
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect
Statins act by selectively inhibiting:
| 1. | HMG CoA synthase | 2. | HMG CoA reductase |
| 3. | Thiolase | 4. | Mevalonate kinase |
Consider the given two statements:
| I: | If biogas is smelled anywhere windows and doors should be opened immediately. |
| II: | The content of toxic hydrogen sulfide has been responsible for serious accidents. |
1. Both I and II are correct and II explains I.
2. Both I and II are correct but II does not explain I.
3. I is correct and II is incorrect.
4. Both I and II are incorrect.
The correct chronology of steps involved in the anaerobic digestion during the production of biogas is:
| 1. | hydrolysis → acidogenesis → acetogenesis → methanogenesis. |
| 2. | hydrolysis → acetogenesis → acidogenesis → methanogenesis. |
| 3. | acetogenesis → acidogenesis → hydrolysis → methanogenesis. |
| 4. | acetogenesis → acidogenesis → methanogenesis → hydrolysis |
Rivers may be considered severely polluted when BOD values exceed:
| 1. | 1 mg/L | 2. | 2 mg/L |
| 3. | 4 mg/L | 4. | 8 mg/L |
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