Q. No.Which of the following organisms are helpful in making curd form milk. production of streptomycin and nitrogen fixation in legumes?
1. Mycoplasma
2. Eubacteria
3. Archaebacteria
4. Cyanobacteria
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 |
The ‘Roquefort’ cheese is ripened by a species of the genus:
| 1. | Penicillium | 2. | Lactobacillus |
| 3. | Propionibacterium | 4. | Saccharomyces |
Which of the following fermented beverages is likely to have the least ethyl alcohol content?
| 1. | Whisky | 2. | Brandy |
| 3. | Rum | 4. | Beer |
Alexander Fleming discovered Penicillin and named it after:
| 1. | Penicillium chrysogenum | 2. | Penicillium roqueforti |
| 3. | Penicillium notatum | 4. | Penicillium camemberti |
Citric acid can be produced industrially with the help of:
1. Aspergillus oryzae
2. Aspergillus niger
3. Aspergillus fumigatus
4. Aspergillus flavus
Fruit juices can be clarified with the use of:
| 1. | Lipases | 2. | Papain |
| 3. | Pectinase and protease | 4. | Glucoamylase |
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 |
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. |
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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