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MCQs

Total Questions : 193 | Page 3 of 20 pages
Question 21. Which of these is a vitamin A precursor?
  1.    Cobalamin
  2.    Pyridoxine
  3.    Beta-Carotene
  4.    Thiamine
 Discuss Question
Answer: Option C. -> Beta-Carotene
Answer: (c).Beta-Carotene
Question 22. Vitamin K1 was first isolated from alfalalfa and has the phytyl side chain consisting of
  1.    four isoprene units
  2.    six isoprene units
  3.    nine isoprene units
  4.    four isoprene units
 Discuss Question
Answer: Option D. -> four isoprene units
Answer: (d).four isoprene units
Question 23. A fat-soluble vitamin that regulates blood clotting is
  1.    vitamin A
  2.    vitamin K
  3.    vitamin C
  4.    niacin
 Discuss Question
Answer: Option B. -> vitamin K
Answer: (b).vitamin K
Question 24. In one iron-metalloflavoprotein, the iron is present as a
  1.    heme-protein
  2.    nonheme type
  3.    both (a) and (b)
  4.    flavin moiety
 Discuss Question
Answer: Option A. -> heme-protein
Answer: (a).heme-protein
Question 25. Which of these molecules is vitamin H?
  1.    Biotin
  2.    Carnitine
  3.    Folic acid
  4.    None of these
 Discuss Question
Answer: Option A. -> Biotin
Answer: (a).Biotin
Question 26. Which of the following is an oligosaccharide linked to protein?
  1.    Glycolipid
  2.    Glycoprotein
  3.    Ganglioside
  4.    Galactoside
 Discuss Question
Answer: Option A. -> Glycolipid
Answer: (a).Glycolipid
Question 27. Which of the following blood group individuals have N-acetylgalactosamine sugar attachment?
  1.    A
  2.    B
  3.    AB
  4.    O
 Discuss Question
Answer: Option A. -> A
Answer: (a).A
Question 28. The protein core of proteoglycan is rich in ___________
  1.    Serine and threonine
  2.    Serine and methionine
  3.    Threonine and methionine
  4.    Alanine and serine
 Discuss Question
Answer: Option A. -> Serine and threonine
Answer: (a).Serine and threonine
Question 29. Which of the following are included in the types of glycolipids?
  1.    N-acetylgalactosamine
  2.    N-acetylglucosamine
  3.    Xylose
  4.    Cerebrosides
 Discuss Question
Answer: Option D. -> Cerebrosides
Answer: (d).Cerebrosides
Question 30. Which of the following blood group individuals have galactose?
  1.    A
  2.    B
  3.    AB
  4.    O
 Discuss Question
Answer: Option B. -> B
Answer: (b).B

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