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NTRUHS MBBS Biochemistry October 2024 (M102A031 SET-B Regular)

M102A031Dr. NTR University of Health Sciences · Biochemistry · 2024 · October · Regular

Questions (20)

  1. 1.Plasma proteins which contain more than 4% hexosamine are a) Microglobulins b) Glycoproteins c) Orasomucoids d) Mucoproteins
    1 Mark
  2. 2.Which of the following is a tripeptide? a) Anserine b) Oxytocin c) Glutathione d) Kallidin
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  3. 3.The following points about microfilaments are true except a) They form cytoskeleton with microtubules b) They form intracellular conducting channels c) They provide support and shape d) They are involved in muscle cell contraction
    1 Mark
  4. 4.Mitochondrial DNA is a) Circular double stranded b) Circular single stranded c) Linear double helix d) None of these
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  5. 5.An amino acid that does not take part in a helix formation is a) Histidine b) Tyrosine c) Tryptophan d) Proline
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  6. 6.In urea synthesis, the amino acid functions solely as an enzyme activator a) Ornithine b) Citrulline c) N-acetyl glutamate d) Arginine
    1 Mark
  7. 7.The amino acid which detoxicated benzoic acid to form hippuric acid is a) Alanine b) Glycine c) Serine d) Glutamic acid
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  8. 8.The apolipoprotein which forms the integral component of chylomicron is a) B-48 b) C c) D d) B-100
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  9. 9.Plasma proteins act as a) Buffers b) Immunoglobulins c) Reserve proteins d) All of these
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  10. 10.NH3 is removed from brain mainly by a) Creatinine formation b) Uric acid production c) Glutamine formation d) Urea formation
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  11. 11.Insulin is made up of a) A single polypeptide chain having 51 amino acid residues b) Asingle polypeptide chain having 84 amino acid residues c) A-chain having 21 and B-chain having 30 amino acid residues d) A-chain having 30 and B-chain having 21 amino acid residues. 1
    1 Mark
  12. 12.Maple syrup urine diseases is an inborn error of metabolism of a) Branched chain amino acids b) Dicarboxylic amino acids c) Aromatic arnino acids d) Sulphur-containing amino acids
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  13. 13.The Immunoglobulin which provides the highest antiviral activity is a) lgG b) IgE c) lgD d) lgA
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  14. 14.All are Amino acid-derived hormones except: a) Thiamine b) Epinephrine c) Testosterone d) Nor-epinephrine
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  15. 15.Niacin can be synthesized in human beings from a) Histidine b) Tryptophan c) Phenylalanine d) Tyrosine
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  16. 16.In mammalian cells, ribosomal RNA is produced mainly in the a) Nucleolus b) Nucleus c) Ribosome F d) Golgi apparatus
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  17. 17.A characteristic pheochromocytoma is elevated urinary excretion of a) Dopamine b) Tyrosine c) Phenylalanine d) Vanillylmandelic acid
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  18. 18.Zinc is a constituent of the enzyme a) Succinate dehydrogenase b) Mitochondrial superoxide dismutase c) Carbonic anhydrase d) Aldolase
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  19. 19.Which of the following statements about Menke's disease are true a) It is an inherited disorder of copper metabolism b) Plasma copper is increased in it c) It occurs only in males d) Hair becomes steely and kinky in it
    1 Mark
  20. 20.Meningitis and encephalitis cause a) Respiratory alkalosis b) Metabolic alkalosis c) Metabolic acidosis d) Respiratory acidosis
    1 Mark

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