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MCQs

Total Questions : 118 | Page 10 of 12 pages
Question 91. Which is not true in case of development of commercial enzymes?
  1.    Screening for new and improved enzymes
  2.    Large scale enzyme purifications
  3.    Economy, effectiveness and safety
  4.    Dealing with the regulatory authorities
 Discuss Question
Answer: Option C. -> Economy, effectiveness and safety
Answer: (c).Economy, effectiveness and safety
Question 92. Which of the following are the common aims of producers of industrial enzymes and their customers?
  1.    Economy
  2.    Effectiveness
  3.    Screening for new and improved enzymes
  4.    Safety
 Discuss Question
Answer: Option C. -> Screening for new and improved enzymes
Answer: (c).Screening for new and improved enzymes
Question 93. Microbes are preferred to plants and animals as sources of enzymes.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 94. Source of catalase is ________
  1.    liver
  2.    kiwi fruit
  3.    soybeans
  4.    bacillus
 Discuss Question
Answer: Option A. -> liver
Answer: (a).liver
Question 95. Bromelain: Brewing industry:: Chymotrypsin: __________
  1.    Cheese making industry
  2.    Leather industry
  3.    Pharmaceutical industry
  4.    Detergent industry
 Discuss Question
Answer: Option B. -> Leather industry
Answer: (b).Leather industry
Question 96. Which of the following enzymes do not use Fe²⁺ or Fe³⁺ ions as cofactors?
  1.    Cytochrome oxidase
  2.    Dinitrogenase
  3.    Catalase
  4.    Peroxidase
 Discuss Question
Answer: Option B. -> Dinitrogenase
Answer: (b).Dinitrogenase
Question 97. Coenzyme A: Acyl carrier:: Methylcobalamin: _____________
  1.    Transketolase reaction
  2.    Isomerization
  3.    Carboxylation reaction
  4.    Carrier of one carbon group
 Discuss Question
Answer: Option B. -> Isomerization
Answer: (b).Isomerization
Question 98. Which of the following is not a part of relative substrate specificity?
  1.    Group specificity
  2.    Bond specificity
  3.    Reaction specificity
  4.    Broad substrate specificity
 Discuss Question
Answer: Option C. -> Reaction specificity
Answer: (c).Reaction specificity
Question 99. Which of the following is not a type of specificity?
  1.    Substrate specificity
  2.    Reaction specificity
  3.    Koshland specificity
  4.    Stereo specificity
 Discuss Question
Answer: Option C. -> Koshland specificity
Answer: (c).Koshland specificity
Question 100. Which of the following is not true for the specificity of enzyme action?
  1.    Specificity refers to discrimination of an enzyme between two competing substrates
  2.    Specificity of enzymes lies both the reaction they catalyze and the substrates on which they act
  3.    Specificity makes it possible for a number of enzymes to coexist in the cell without interfering in each other reaction
  4.    Five types of specificities have been recognized in enzymes
 Discuss Question
Answer: Option D. -> Five types of specificities have been recognized in enzymes
Answer: (d).Five types of specificities have been recognized in enzymes

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