61. Calyculins are natural products originally isolated from the marine A. Mollusc B. Sea-weeds C. Sponges D. Mangrove Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
62. Which was the first amino acid to be commercially produced by microbial fermentation? A. L-Iysine B. L-Ieucine C. L-serine D. L-glutamic acid Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
63. Which one of the following is most widely used for commercial production of citric acid? A. Aspergillus niger B. Penicillium citrinum C. Gibberella fujikuori D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
64. Which of these is found in maximum amounts in "wort" used for beer production? A. Free amino acids B. Glucose C. Maltose D. Sucrose Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
65. Halocins isolated from halophilic can be exploited as A. Sunscreen agent B. Protein antibiotics C. Enzyme stabilizers D. Skin moisturisers Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
66. Sonti is A. Barley beer B. Ginger beer C. Wheat beer D. Rice beer Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
67. Which one of the following is a characteristic of continuous culture? A. Absence of death phase B. Presence of death phase C. Absence of exponential phase D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
68. The industrial production of vitamin B12 employs A. Propionibacterium sp. B. Pseudomonas sp. C. Both A and B D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
69. Which enzyme is used particularly when wheat is added as an adjunct during beer production? A. Papain B. Neutral proteases C. Cellulases D. All the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
70. Rectified spirit produced in distilleries contains approximately A. 70% ethanol B. 80% ethanol C. 95% ethanol D. 98% ethanol Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board