Description : The major constituents in agar are a. Fats b. Aminoacids c. Polysaccharides d. Polypeptides
Last Answer : Ans: C
Description : Nitrites are oxidized to nitrates by a microorganism a. Nitrosomonas b. Nitrosococcus c. Nitrobacter d. Azatobacter
Description : The following organisms have been proposed as sources of single cell protein a. Bacteria b. Yeasts c. Algae d. All the three
Last Answer : Ans: D
Description : An example of competitive inhibition of an enzyme is the inhibition of a. Succinic dehydrogenase by malonic acid b. Cytochrome oxidase by cyanide c. Hexokinase by glucose-6-phosphate d. Carbonic anhydrase by carbon dioxide
Last Answer : Ans: A
Description : Biological Oxygen Demand (BOD) is a measure of: a. Industrial wastes poured into water bodies b. Extent to which water is polluted with organic compounds c. Amount of carbon monoxide inseparably combined with haemoglobin d. Amount of oxygen needed by green plants during night
Description : Example of anaerobic medium a. Wilson blair medium b. Mac conkey broth c. Robertson’s cooked meat medium d. EMB agar
Description : Yeast extract is an excellent source of a. A Vitamin b. Proteins c. B Vitamin d. Carbohydrates
Description : The main product of glycolysis under aerobic conditions is a. Pyruvate b. Lactate c. None of these d. Both a and b Ans: A 2. The protein moiety of an enzyme is known as a. Holo enzyme b. Apo enzyme c. Co enzyme d. Enzyme
Last Answer : Ans: B