Q. No.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
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 |
Consider the given two statements:
| I. | Cattle dung can be used for the generation of biogas, commonly called gobar gas. |
| II. | The BOD test measures the rate of uptake of oxygen by microorganisms in a sample of water. |
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. Only II is correct
4. Both I and II are incorrect
In the anaerobic sludge digesters during sewage water treatment:
| 1. | The primary sludge is treated with aerobic microbes and activated sludge is created |
| 2. | The primary sludge is treated with anaerobic microbes and activated sludge is created |
| 3. | The activated sludge is digested by anaerobic microbes producing biogas during the process |
| 4. | The activated sludge is digested by aerobic microbes producing biogas during the process |
Consider the given two statements:
| I: | BOD is an indirect measure of the organic matter present in the water. |
| II: | The BOD test measures the rate of uptake of oxygen by microorganisms in a sample of water. |
| 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. | Only II is correct. |
| 4. | Both I and II are incorrect. |
Match each item in column I with one in Column II and select the correct answer from the codes given:
|
Column I |
|
Column II |
|
|
A |
Monascus purpureus |
P |
Thrombolytic |
|
B |
Trichoderma polysporum |
Q |
Immunosuppressant |
|
C |
Streptococcus pyogenes |
R |
Antibiotics |
|
D |
Streptomyces griseus |
S |
Statins |
Codes
|
A |
B |
C |
D |
|
|
1 |
S |
Q |
R |
P |
|
2 |
Q |
S |
P |
R |
|
3 |
Q |
S |
R |
P |
|
4 |
S |
Q |
P |
R |
Fruit juices can be clarified with the use of:
| 1. | Lipases | 2. | Papain |
| 3. | Pectinase and protease | 4. | Glucoamylase |
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