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MCQs

Total Questions : 173 | Page 13 of 18 pages
Question 121. Tyrosine is degraded to acetoacetyl CoA and fumarate and is described as a
  1.    glucogenic amino acid
  2.    ketogenic amino acid
  3.    ketogenic and glucogenic amino acid
  4.    keto-gluco amino acid
 Discuss Question
Answer: Option C. -> ketogenic and glucogenic amino acid
Answer: (c).ketogenic and glucogenic amino acid
Question 122. In the normal breakdown of phenylalanine, it is initially degraded to
  1.    fumarate
  2.    tyrosine
  3.    lysine
  4.    phenylpuruvate
 Discuss Question
Answer: Option B. -> tyrosine
Answer: (b).tyrosine
Question 123. A person with phenylketonuria will convert
  1.    phenylalanine to phenylpyruvate
  2.    phenylalanine to isoleucine
  3.    phenylpyruvate to phenylalanine
  4.    tyrosine to phenylalanine
 Discuss Question
Answer: Option A. -> phenylalanine to phenylpyruvate
Answer: (a).phenylalanine to phenylpyruvate
Question 124. An example of the oxidative deamination is
  1.    glutamate = hexanoic acid + NH₃
  2.    aspartate + α-ketoglutarate = glutamate + oxaloacetate
  3.    glutamate = α-ketoglutarate + NH₃
  4.    aspartate + hexanoic acid = glutamate + Oxaloacetate
 Discuss Question
Answer: Option C. -> glutamate = α-ketoglutarate + NH₃
Answer: (c).glutamate = α-ketoglutarate + NH₃
Question 125. Transaminase enzymes are present in
  1.    liver
  2.    pancreas
  3.    intestine
  4.    none of these
 Discuss Question
Answer: Option A. -> liver
Answer: (a).liver
Question 126. An environmental hazard when fertilizers leached from the fields into rivers and lakes is termed as
  1.    leaching
  2.    eutrophication
  3.    pollution
  4.    none of above
 Discuss Question
Answer: Option B. -> eutrophication
Answer: (b).eutrophication
Question 127. Production of Ammonia is
  1.    endothermic
  2.    exothermic
  3.    ectothermic
  4.    hypothermic
 Discuss Question
Answer: Option B. -> exothermic
Answer: (b).exothermic
Question 128. Ammonium compounds constitute very importantly
  1.    fertilizers
  2.    plastic
  3.    glass
  4.    chemicals
 Discuss Question
Answer: Option A. -> fertilizers
Answer: (a).fertilizers
Question 129. To reduce pollutants from motor vehicles car exhaust systems are fitted with
  1.    catalytic converters
  2.    mud guards
  3.    cylinders
  4.    fuel converters
 Discuss Question
Answer: Option A. -> catalytic converters
Answer: (a).catalytic converters
Question 130. Ammonia is very important
  1.    compound of nitrogen
  2.    alkaline gas
  3.    NH₃
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above

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