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MCQs

Total Questions : 173 | Page 2 of 18 pages
Question 11. Products of urea cycle are
  1.    One molecule of urea, one molecule of ammonia, one molecule of ATP and one molecule of fumaric acid
  2.    One molecule of urea, one molecule of AMP, two molecule of ADP and one molecule of fumaric acid
  3.    One molecule of aspartic acid, one molecule of ammonia, one molecule of ATP and one molecule of fumaric acid
  4.    Two molecules of urea, two molecules of ammonia, one molecule of ATP and one molecule of fumaric acid
 Discuss Question
Answer: Option B. -> One molecule of urea, one molecule of AMP, two molecule of ADP and one molecule of fumaric acid
Answer: (b).One molecule of urea, one molecule of AMP, two molecule of ADP and one molecule of fumaric acid
Question 12. Nitrogen atoms of urea produced in the urea cycle are derived from
  1.    Ammonia and aspartic acid
  2.    Nitrate
  3.    Nitrite
  4.    Ammonia
 Discuss Question
Answer: Option A. -> Ammonia and aspartic acid
Answer: (a).Ammonia and aspartic acid
Question 13. Urea cycle converts
  1.    Keto acids into amino acids
  2.    Amino acids into keto acids
  3.    Ammonia into a less toxic form
  4.    Ammonia into a more toxic form
 Discuss Question
Answer: Option C. -> Ammonia into a less toxic form
Answer: (c).Ammonia into a less toxic form
Question 14. Which of the following is not an essential amino acid?
  1.    Glycine
  2.    Leucine
  3.    Methionine
  4.    Histidine
 Discuss Question
Answer: Option A. -> Glycine
Answer: (a).Glycine
Question 15. The carbon atom source while producing urea in the urea cycle is
  1.    CO₂
  2.    Glucose
  3.    Aspartic acid
  4.    Arginine
 Discuss Question
Answer: Option A. -> CO₂
Answer: (a).CO₂
Question 16. The branched chain amino acid is not
  1.    Leucine
  2.    Isoleucine
  3.    Valine
  4.    Alanine
 Discuss Question
Answer: Option D. -> Alanine
Answer: (d).Alanine
Question 17. The essential intermediates in the pathway from acetate to cholesterol are
  1.    Acetic acid
  2.    Ethylene
  3.    Isoprene units
  4.    Methane
 Discuss Question
Answer: Option C. -> Isoprene units
Answer: (c).Isoprene units
Question 18. Generally the receptors for steroid hormones reside at
  1.    Nucleoplasm
  2.    Nuclear membrane
  3.    Cytoplasm
  4.    Plasma membrane
 Discuss Question
Answer: Option A. -> Nucleoplasm
Answer: (a).Nucleoplasm
Question 19. Prenisolone and prednisone are chemically
  1.    Steroids
  2.    Glycerol derivatives
  3.    Non-steroid anti-inflammatory drug
  4.    Amino alcohols
 Discuss Question
Answer: Option A. -> Steroids
Answer: (a).Steroids
Question 20. Steroids have ______________
  1.    Sterol nucleus with two alkyl chain attached to the ring D of cholesterol
  2.    Sterol nucleus with two CH₃ between C and D ring and A and B ring of cholesterol
  3.    Sterol nucleus without CH₃ between C ring and D ring of cholesterol
  4.    Sterol nucleus but lack the alkyl chain attached to the ring D of cholesterol
 Discuss Question
Answer: Option D. -> Sterol nucleus but lack the alkyl chain attached to the ring D of cholesterol
Answer: (d).Sterol nucleus but lack the alkyl chain attached to the ring D of cholesterol

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