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MCQs

Total Questions : 173 | Page 5 of 18 pages
Question 41. Transamination is the transfer of an amino
  1.    acid to a carboxylic acid plus ammonia
  2.    group from an amino acid to a keto acid
  3.    acid to a keto acid plus ammonia
  4.    group from an amino acid to a carboxylic acid
 Discuss Question
Answer: Option B. -> group from an amino acid to a keto acid
Answer: (b).group from an amino acid to a keto acid
Question 42. Lysine is degraded to acetoacetyl CoA and is described as a
  1.    ketogenic amino acid
  2.    glucogenic amino acid
  3.    keto-gluco amino acid
  4.    none of these
 Discuss Question
Answer: Option A. -> ketogenic amino acid
Answer: (a).ketogenic amino acid
Question 43. A ketogenic amino acid is one which degrades to
  1.    keto-sugars
  2.    either acetyl CoA or acetoacetyl CoA
  3.    pyruvate or citric acid cycle intermediates
  4.    multiple intermediates including pyruvate or citric acid cycle intermediates and acetyl CoA or acetoacetyl CoA
 Discuss Question
Answer: Option B. -> either acetyl CoA or acetoacetyl CoA
Answer: (b).either acetyl CoA or acetoacetyl CoA
Question 44. A person suffering from phenylketonuria on consumption food containing high phenylalanine may lead to the accumulation of
  1.    phenylalanine
  2.    phenylpyruvate
  3.    tyrosine
  4.    isoleucine
 Discuss Question
Answer: Option B. -> phenylpyruvate
Answer: (b).phenylpyruvate
Question 45. A best described ketogenic amino acid is
  1.    lysine
  2.    tryptophan
  3.    valine
  4.    none of these
 Discuss Question
Answer: Option A. -> lysine
Answer: (a).lysine
Question 46. The natural gas and steam react together in Haber's process to form
  1.    oxygen
  2.    nitrogen
  3.    carbon dioxide
  4.    hydrogen
 Discuss Question
Answer: Option D. -> hydrogen
Answer: (d).hydrogen
Question 47. The Factories which produce fertilizers usually have plants of
  1.    ammonia production
  2.    nitric acid production
  3.    ammonium nitrate production
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 48. During the production of ammonia low temperature is required. The advantages of low temperatures could be
  1.    slow only
  2.    better yields only
  3.    better quality
  4.    slow and better yields
 Discuss Question
Answer: Option D. -> slow and better yields
Answer: (d).slow and better yields
Question 49. The only condition for nitrogen-based fertilizers is that they must be soluble in
  1.    acid
  2.    base
  3.    water
  4.    alkalis
 Discuss Question
Answer: Option C. -> water
Answer: (c).water
Question 50. In extreme weather, oxygen reacts with nitrogen to form
  1.    nitrogen (II) oxide only
  2.    nitrogen (IV) oxide only
  3.    nitrogen (III) oxide
  4.    nitrogen (II) and nitrogen (IV) oxide
 Discuss Question
Answer: Option D. -> nitrogen (II) and nitrogen (IV) oxide
Answer: (d).nitrogen (II) and nitrogen (IV) oxide

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