Q. No.Read the following statement having two blanks (A and B):
“A drug used for _______ (A) ________ patients is obtained from a species of the organism _________ (B) _________.”
The one correct option for the two blanks is:
Blank-A
Blank-B
1
AIDS
Pseudomonas
2
Heart
Penicillium
3
Organ-transplant
Trichoderma
4
Swine flu
Monascus
“A drug used for _______ (A) ________ patients is obtained from a species of the organism _________ (B) _________.”
The one correct option for the two blanks is:
Blank-A
Blank-B
1
AIDS
Pseudomonas
2
Heart
Penicillium
3
Organ-transplant
Trichoderma
4
Swine flu
Monascus
Yeast is used in the production of
1. Bread and beer.
2. Cheese and butter.
3. Citric acid and lactic acid.
4. Lipase and pectinase.
Read the following four statements (a-d):
| a. | Colostrum is recommended for the new born because it is rich in antigens. |
| b. | Chikungunya is caused by a Gram-negative bacterium. |
| c. | Tissue culture has proved useful in obtaining virus-free plants. |
| d. | Beer is manufactured by distillation of fermented grape juice. |
How many of the above statements are wrong?
| 1. | Four | 2. | One |
| 3. | Two | 4. | Three |
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Measuring biochemical oxygen demand (BOD) is a method used for:
| 1. | Measuring the activity of Saccharomyces cerevisiae in producing curd on a commercial scale. |
| 2. | Working out the efficiency of RBCs about their capacity to carry oxygen. |
| 3. | Estimating the amount of organic matter in sewage water. |
| 4. | Working out the efficiency of oil-driven automobile engines. |
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Monascus purpureus is a yeast used commercially in the production of
1. Citric acid
2. Blood cholesterol lowering statins
3. Ethanol
4. Streptokinase for removing clots from the blood vessels.
The domestic sewage in large cities
1. When treated in STPs does not really require the aeration step as the sewage contains adequate oxygen.
2. Has very high amounts of suspended solids and dissolved salts.
3. Has a high BOD as it contains both aerobic and anaerobic bacteria.
4. Is processed by aerobic and then anaerobic bacteria in the secondary treatment in sewage treatment plants (STPs).
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Besides paddy fields, cyanobacteria are also found inside vegetative part of
1. Pinus
2. Cycas
3. Equisetum
4. Psilotum
During sewage treatment, biogases are produced which include :
1. Methane, hydrogen sulphide, carbon dioxide
2. Methane, oxygen, hydrogen sulphide
3. Hydrogen sulphide, methane, sulphur dioxide
4. Hydrogen sulphide, nitrogen, methane
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What gases are produced in anaerobic sludge digesters?
1. Methane and CO2.
2. Methane, Hydrogen sulphide and CO2.
3. Methane, Hydrogen sulphide and CO.
4. Hydrogen sulphide and CO2.
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