Q. No.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.
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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Match the following list of microbes and their importance.
|
(a) |
Saccharomyces cerevisiae |
(i) |
Production of immunosuppressive drug |
|
(b) |
Moancus purpureus |
(ii) |
Ripening of Swiss cheese |
|
(c) |
Trichoderma polysporum |
(iii) |
Commercial production of ethanol |
|
(d) |
Propionibacterium shermanii |
(iv) |
Production of blood cholesterol lowering agents |
(a) (b) (c) (d)
1. (iii) (i) (iv) (ii)
2. (iii) (iv) (i) (ii)
3. (iv) (iii) (ii) (i)
4. (iv) (ii) (i) (iii)
The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals include the:
| 1. | Halophiles | 2. | Thermoacidophiles |
| 3. | Methanogens | 4. | Eubacteria |
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Which of the following is wrongly matched in the given table?
|
Microbe |
Product |
Application |
|
|
1. |
Trichoderma polysporum |
Cyclosporin A |
Immunosuppressive drug |
|
2. |
Monascus purpureus |
Statins |
Lowering of blood cholesterol |
|
3. |
Streptococcus |
Streptokinase |
Removal of clot from blood vessel |
|
4. |
Clostridium butylicum |
Lipase |
Removal of oil stains |
Match Column I with Column II and select the correct option using the codes given below:
|
Column I |
Column II |
||
|
(a) |
Citric acid |
(i) |
Trichoderma |
|
(b) |
Cyclosporin A |
(ii) |
Clostridium |
|
(c) |
Statins |
(iii) |
Aspergillus |
|
(d) |
Butyric acid |
(iv) |
Monascus |
Codes:
|
(a) |
(b) |
(c) |
(d) |
|
|
1. |
(iii) |
(i) |
(iv) |
(ii) |
|
2. |
(i) |
(iv) |
(ii) |
(iii) |
|
3. |
(iii) |
(iv) |
(i) |
(ii) |
|
4. |
(iii) |
(i) |
(ii) |
(iv) |
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