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MCQs

Total Questions : 173 | Page 8 of 18 pages
Question 71. Oxidative deamination is the conversion of an amino
  1.    group from an amino acid to a keto acid
  2.    acid to a carboxylic acid plus ammonia
  3.    acid to a keto acid plus ammonia
  4.    group from an amino acid to a carboxylic acid
 Discuss Question
Answer: Option C. -> acid to a keto acid plus ammonia
Answer: (c).acid to a keto acid plus ammonia
Question 72. The most toxic compounds is
  1.    tyrosine
  2.    phenylpyruvate
  3.    lysine
  4.    phenylalanine
 Discuss Question
Answer: Option B. -> phenylpyruvate
Answer: (b).phenylpyruvate
Question 73. An example of a transamination process is
  1.    glutamate = hexanoic acid + NH₃
  2.    aspartate + hexanoic acid = glutamate + oxaloacetate
  3.    aspartate + α ketoglutarate = glutamate + oxaloacetate
  4.    glutamate = α-ketoglutarate + NH₃
 Discuss Question
Answer: Option C. -> aspartate + α ketoglutarate = glutamate + oxaloacetate
Answer: (c).aspartate + α ketoglutarate = glutamate + oxaloacetate
Question 74. Transamination is the process where
  1.    carboxyl group is transferred from amino acid
  2.    α-amino group is removed from the amino acid
  3.    polymerisation of amino acid takes place
  4.    none of the above
 Discuss Question
Answer: Option B. -> α-amino group is removed from the amino acid
Answer: (b).α-amino group is removed from the amino acid
Question 75. A person with phenylketonuria is advised not to consume which of the following products?
  1.    Glycine containing foods
  2.    Fat containing food
  3.    Glucose
  4.    Aspartame
 Discuss Question
Answer: Option D. -> Aspartame
Answer: (d).Aspartame
Question 76. Nitric acid (HNO₃) is made from
  1.    ammonium
  2.    nitrogen
  3.    nitrate
  4.    ammonia
 Discuss Question
Answer: Option D. -> ammonia
Answer: (d).ammonia
Question 77. The reaction vessel of ammonia (NH₃) production is composed of
  1.    400-500 temperature
  2.    25-300 atm pressure
  3.    iron
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 78. Explosive such as trinitrotoluene (TNT) is made by
  1.    concentrated nitric acid
  2.    ammonia
  3.    nitrate
  4.    ammonium nitrate
 Discuss Question
Answer: Option A. -> concentrated nitric acid
Answer: (a).concentrated nitric acid
Question 79. In car engine, the fuel is in compressed form and ignited by
  1.    key
  2.    spark
  3.    accelerator
  4.    brake
 Discuss Question
Answer: Option B. -> spark
Answer: (b).spark
Question 80. Marine animals die due to lack of oxygen in water which disturbs whole
  1.    environment
  2.    ecosystem
  3.    biotic factors
  4.    a-biotic factors
 Discuss Question
Answer: Option B. -> ecosystem
Answer: (b).ecosystem

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