Q. No.Lactic Acid Bacillus, while used for converting milk to curd, increases the nutritional value of curd by adding vitamin:
1.
A
2.
B12
3.
C
4.
D
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Fruit juices can be clarified with the use of:
| 1. | Lipases | 2. | Papain |
| 3. | Pectinase and protease | 4. | Glucoamylase |
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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. |
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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 |
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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 |
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Match each item in Column I [biocontrol agent] with one in Column II [pest controlled] and select the answer from the codes given:
|
|
Column I |
|
Column II |
|
A. |
Ladybird |
P. |
Mosquitoes |
|
B. |
Dragonflies |
Q. |
Aphids |
|
C. |
Trichoderma |
R. |
Fungus |
|
D. |
Baculoviruses |
S. |
Virus |
Codes
|
A |
B |
C |
D |
|
|
1. |
P |
Q |
R |
S |
|
2. |
Q |
P |
R |
S |
|
3. |
P |
Q |
S |
R |
|
4. |
Q |
P |
S |
R |
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Cyclosporin A is used as a/an:
| 1. | immuno-suppressive agent in organ transplant patients |
| 2. | clot buster to remove clots from the vessels in heart attack patients |
| 3. | treatment option in advance for HIV infections |
| 4. | agent that lowers blood cholesterol levels |
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Large holes in Swiss cheese are the result of fermentation by:
1. Streptococcus salivarius
2. Propionibacterium shermanii
3. Lactobacillus helveticus
4. Lactobacillus delbrueckii
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During the secondary or biological treatment of sewage water:
| I. | The BOD of the wastewater gets reduced significantly. |
| II. | The activated sludge contains aerobic micro-organisms that can clump together. |
| III. | The entire activated sludge is pumped into anaerobic sludge digesters. |
1. Only I is correct
2. Only I and II are correct
3. I, II, and III are correct
4. I, II, and III are incorrect
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Aspergillus niger is used in the commercial production of:
| 1. | Citric acid | 2. | Acetic acid |
| 3. | Lactic acid | 4. | Butyric acid |
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