Q. No.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Match each item in Column I with one item in Column II and chose your answer from the codes given below.
|
Column I (antibiotic) |
Column II (effect) |
|
I. Tetracycline II. Streptomycin III. Chloramphenicol IV. Erythromycin |
1. inhibits binding of aminoacyl tRNA to the ribosome 2 inhibits initiation of translation 3. inhibits peptidyl transferase 4. inhibits translocation of mRNA along the ribosome |
Codes:
| I | II | III | IV | |
| 1. | 1 | 2 | 3 | 4 |
| 2. | 2 | 1 | 4 | 3 |
| 3. | 2 | 1 | 3 | 4 |
| 4. | 1 | 2 | 4 | 3 |
Match each item in Column I with one item in Column II and chose your answer from the codes given below.
|
Column I |
Column II |
|
I. Aspergillus niger II. Streptococcus III. Trichoderma IV. Monascus purpureuss |
1. Clot buster 2. Citric acid 3. Cyclosporin A 4. Statins |
Codes:
| I | II | III | IV | |
| 1. | 1 | 2 | 3 | 4 |
| 2. | 2 | 1 | 4 | 3 |
| 3. | 2 | 1 | 3 | 4 |
| 4. | 1 | 2 | 4 | 3 |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Match the following list of bioactive substances and their roles:
| Bioactive | Substance Role | ||
| A. | Statin | i. | Removal of oil stains |
| B. | Cyclosporin A | ii. | Removal of clots from blood vessels |
| C. | Streptokinase | iii. | Lowering of blood cholesterol |
| D. | Lipase | iv. | Immuno-suppressive agent |
Choose the correct match:
| 1. | A-ii, B-iii, C-i, D-iv | 2. | A-iv, B-ii, C-i, D-iii |
| 3. | A-iv, B-i, C-ii, D-iii | 4. | A-iii, B-iv, C-ii, D-i |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The large holes in ‘Swiss Cheese’ are due to the production of a large amount of carbon dioxide by:
1. Propionibacterium shermanii
2. Methylophilus methylotrophus
3. Penicillium roqueforti
4. Penicillium camemberti
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
A biological control being developed for use in the treatment of plant diseases is the fungus:
| 1. | Trichoderma | 2. | Pneumocystis |
| 3. | Claviceps | 4. | Epidermophyton |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Consider the two statements:
| I: | Indirectly, BOD is a measure of the organic matter present in the water. |
| II: | The greater the BOD of wastewater, the more its polluting potential. |
1. Both I and II are correct
2. Only I is correct
3. Only II is correct
4. Both I and II are incorrect
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To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
What is true regarding the activated sludge generated during the secondary treatment of sewage water?
| I: | It is made up of aerobic bacteria that sediment down |
| II: | A large part of the activated sludge is pumped back into the aeration tank to serve as the inoculum. |
| III: | A minor part of the sludge is pumped into large tanks called anaerobic sludge digesters. |
| 1. | Only I | 2. | Only II and III |
| 3. | Only I and III | 4. | I, II and III |
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What is incorrect regarding organic farming?
| 1. | It relies on controlling pests by natural predation rather than introduced chemicals. |
| 2. | A key belief of the organic farmer is that biodiversity furthers health. |
| 3. | Pests are totally eradicated. |
| 4. | Reduces dependence on toxic chemicals and pesticides. |
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Arbuscular mycorrhizas are formed only by fungi in the division:
| 1. | Ascomycota | 2. | Glomeromycota |
| 3. | Basidiomycota | 4. | Microsporidia |
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