Consider the following statements:
I: | Statins, used as blood cholesterol-lowering agents, are derived from Monascus purpureus |
II: | Cyclosporin A, derived from Trichoderma, is used as an immunosuppressant |
III: | Baculoviruses, in the genus Nucleopolyhederovirus, are species-specific, broad-spectrum insecticides |
Which of the above statements are true?
1. | I and II only | 2. | I and III only |
3. | II and III only | 4. | I, II and III |
The industrial uses of Aspergillus niger do not include the preparation of:
1. | citric acid | 2. | glucoamylase |
3. | aflatoxin | 4. | glucose oxidase |
Consider the given two statements:
I: | Streptokinase is usually given only for a person's first heart attack. |
II: | Only first heart attacks can be treated with a thrombolytic. |
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. I is correct and II is incorrect.
4. Both I and II are incorrect.
Monacolin K is chemically identical to:
1. cardiac glycosides
2. anti-cancer drug taxol
3. antibiotic penicillin
4. blood cholesterol lowering lovastatin
Statins act by selectively inhibiting:
1. | HMG CoA synthase | 2. | HMG CoA reductase |
3. | Thiolase | 4. | Mevalonate kinase |
What do Lactobacillus acidophilus, Lactobacillus rhamnosus, Saccharomyces boulardii, Bifidobacterium bifidum have in common?
1. | They are common pathogens causing infections in immunocompromised patients |
2. | They are common probiotics that help in fighting pathogens in the human gut |
3. | They are the most common pathogens involved in urinary tract infections |
4. | They are organisms used to generate Single Cell Protein |
Match each item in Column I with one item in Column II and chose your answer from the codes given below.
Column I |
Column II |
I. Aspergillus niger II. Streptococcus III. Trichoderma IV. Monascus purpureuss |
1. Clot buster 2. Citric acid 3. Cyclosporin A 4. Statins |
Codes:
I | II | III | IV | |
1. | 1 | 2 | 3 | 4 |
2. | 2 | 1 | 4 | 3 |
3. | 2 | 1 | 3 | 4 |
4. | 1 | 2 | 4 | 3 |
1. | Roquefort cheese is ripened by a growing a specific bacterium on them |
2. | LAB improves the nutritional quality of curd by increasing Vitamin A |
3. | Aspergillus niger is used for commercial production of citric acid |
4. | Statins are used to lower blood glucose levels in IDDM |
COLUMN I | COLUMN II | ||
A | LAB | P | Adds vitamin B12 to curd and stops the growth of diseases causing microbes in stomach |
B | Propionibacterium shermanii | Q | Production of large holes in Swiss cheese |
C | Saccharomyces cerevisiae | R | Derived from leaves of a plant, it is CNS stimulant and can cause hallucinations |
D. | Aspergillus niger | S | Baker’s/Brewer’s yeast produces ethanol during fermentation |
A | B | C | D | |
1. | Q | P | R | S |
2. | P | Q | S | R |
3. | R | S | Q | P |
4. | S | R | P | Q |