Microbes in industrial production
- Which of the following is an example of non-distilled alcoholic beverage produced by yeast? Answer: 3. Beer Key idea: Beer and wine are made by fermentation without distillation. Whisky, brandy and rum are made by fermentation follo... 1
- Streptokinase produced by bacterium Streptococcus is used for Answer: 4. Removing clots from blood vessels Key idea: Streptokinase is a clot buster. It is produced by Streptococcus and is used as a medi... 1
- Match List I with List IIList I: A. Clostridium butylicum; B. Saccharomyces cerevisiae; C. Trichoderma polysporum; D. Streptococcus sp.List II: I. Ethanol; II. Streptokinase; III. Butyric acid; IV. Cyclosporin-AChoose the correct answer from the opti… Answer: 4. A-III, B-I, C-IV, D-II Key idea: match each microbe with the product it yields. Clostridium butylicum makes butyric acid (A-III).... 1
- Identify the microorganism which is responsible for the production of an immunosuppressive molecule cyclosporin A : Answer: 2. Trichoderma polysporum Key idea: Cyclosporin A, an immunosuppressant used in organ transplants, is produced by the fungus Trichod... 1
- Match List - I with List - II.List - I / List - II(a) Aspergillus niger (i) Acetic Acid(b) Acetobacter aceti (ii) Lactic Acid(c) Clostridium butylicum (iii) Citric Acid(d) Lactobacillus (iv) Butyric AcidChoose the correct answer from the options give… Answer: 1. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii) Aspergillus niger - citric acid (iii) Acetobacter aceti - acetic acid (i) Clostridium buty... 1
- Match the following columns and select the correct option.Column - I | Column - II(a) Clostridium butylicum | (i) Cyclosporin-A(b) Trichoderma polysporum | (ii) Butyric Acid(c) Monascus purpureus | (iii) Citric Acid(d) Aspergillus niger | (iv) Blood… Answer: 2. (a) (ii), (b) (i), (c) (iv), (d) (iii) Match each microbe with its product. Clostridium butylicum produces butyric acid, so (a) -... 1
- Which of the following is a commercial blood cholesterol lowering agent ? Answer: 2. Statin Statins (from the yeast Monascus purpureus) inhibit the enzyme that makes cholesterol, so they lower blood cholesterol. Cy... 1
- Which one of the following population interactions is widely used in medical science for the production of antibiotics ? Answer: 4. Amensalism Key idea: In amensalism one species is harmed while the other is unaffected. Antibiotics are chemicals secreted by mic... 1
- Match Column—I with Column—II and select the correct option using the codes given below :Column—I: a. Citric acid; b. Cyclosporin A; c. Statins; d. Butyric acidColumn—II: (i) Trichoderma; (ii) Clostridium; (iii) Aspergillus; (iv) MonascusCodes :a b c… Answer: 1. (iii) (i) (iv) (ii) Citric acid: Aspergillus niger (iii). Cyclosporin A (immunosuppressant): Trichoderma polysporum (i). Statins... 1
- 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 | Strept… Answer: 4. Clostridium butylicum - Lipase - removal of oil stains Clostridium butylicum is used to produce butyric acid. Lipase is obtained... 1