Q. No.Which of the following antibiotics was discovered first?
1. Streptomycin
2. Neomycin
3. Erythromycin
4. Penicillin
The virus shown here is a causative agent of :
1. Intestinal infections
2. Respiratory infections
3. CNS infections
4. Genito-urinary infections
Which of the following statements is correct?
| 1. | Aspergillus niger is used for producing cyclosporin A. |
| 2. | Activated sludge is digested by aerobic bacteria to produce marsh gas. |
| 3. | Fleming, Chain & Florey were awarded with Nobel Prize for discovering penicillin. |
| 4. | BOD is amount of oxygen produced by bacteria on decomposition. |
Which of the following option is not true for penicillin?
| 1. | Its full potential as an effective antibiotic was established much later by Ernest Chain and Howard Florey. |
| 2. | This antibiotic was extensively used to treat American soldiers wounded in World War II. |
| 3. | Produced by the bacteria. |
| 4. | both 2 and 3 |
Select the correct statement
(1) Acetobacter aceti produces citric acid.
(2) Saccharomyces cerevisiae is used as clot buster
(3) Penicillium notanum restrict the growth of Staphylococci
(4) Methanogens are found in aerobic conditions.
A compound which is produced by an organism that inhibits growth of other organism is
called:
1. xenobiotics
2. antibiotic
3. antibody
4. interferon
Alexander Fleming accidently discovered antibiotic penicillin from a mould, but he was working on
1. Streptococci
2. Streptobacilli
3. Staphylobacilli
4. Staphylococci
Name the blank spaces A, B, C and D given in the following table:
|
Type of Microbe |
Scientific Name |
Commercial. Product |
|
Bacterium |
A |
Lactic acid |
|
Fungus |
B |
Cyclosporin A |
|
C |
Monascus purpureus |
Statins |
|
Fungus |
Penicillium notatum |
D |
(1) A - Lactobacillus, B - Trichoderma polysporum, C - Yeast (Fungus), D - Penicillin
(2) A - Lactobacillus, B - Trichoderma polysporum, C - Yeast (Algae), D - Penicillin
(3) A - Lactobacillus, B - Trichoderma polysporum, C - Yeast (Prokaryote), D - Penicillin
(4) A - Lactobacillus, B - Trichoderma polysporum, C - Agaricus (Fungus), D - Penicillin
Which industrial products are synthesized from microbes?
A. Antibiotics
B. Fermented beverages
C. Enzymes and chemicals
D. Bioactive molecules
(1) A, C, D
(2) A, B, C, D
(3) A, C
(4) A, B, C
Which one of the following pairs is wrongly matched?
1. Methanogens - Gobar gas
2. Yeast - Ethanol
3. Streptomycetes - Antibiotic
4. Coliforms - Vinegar
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