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Biochemistry Mcqs

Fat provides ______% of body’s calories?

  • (A)  40%
  • (B)  30%
  • (C)  50%
  • (D)  75%
Submitted By :Ali Uppal


The lipoprotein particles that have the highest percentage concentration of cholesterol is_______________?

  • (A)  Chylomicron
  • (B)  VLDL (Very low density lipoprotein)
  • (C)  LDL (Low density lipoprotein)
  • (D)  HDL (High density lipoprotein)
Submitted By :Ali Uppal


Which of the following fatty acids are not syntehsised in human body_____________?

  • (A)  Oleic, linoleic and linolenic acid
  • (B)  Arachidonic, linolenic and linoleic acid
  • (C)  Palmitic Oleic and arachidonic
  • (D)  Linoleic, arachidonic and stearic acid
Submitted By :Ali Uppal


Detoxification of drugs is controlled by_____________?

  • (A)  Cytochrome
  • (B)  Cytochrome P450
  • (C)  Cytochrome C
  • (D)  Cytochrome A
Submitted By :Ali Uppal


Detoxification or protective synthesis occurs by____________?

  • (A)  Oxidation
  • (B)  Reduction
  • (C)  Conjugation
  • (D)  Any of the above
Submitted By :Ali Uppal


The major driving force for formation of membrane lipid bilayer is____________?

  • (A)  Hydrogen bonding
  • (B)  Hydrophobic interactions
  • (C)  Vander wall forces
  • (D)  Not known
Submitted By :Ali Uppal


The most important buffer in RBC is____________?

  • (A)  O2 Hb +Na hemoglobinate
  • (B)  O2Hb +K hemoglobinate
  • (C)  H2CO3 + KHCO3
  • (D)  H2CO3 +NAHCO3
Submitted By :Ali Uppal


In ECF main electrolyte is_______________?

  • (A)  Na+
  • (B)  K+
  • (C)  Cl
  • (D)  Proteins
Submitted By :Ali Uppal


Which is not seen in HMG CoA pathway ?

  • (A)  Pyruvate
  • (B)  Cholesterol
  • (C)  Mevalonate
  • (D)  Acetyl CoA
Submitted By :Ali Uppal


Rate limiting step in cholesterol synthesis is_______________?

  • (A)  HMG CoA synthetase
  • (B)  HMG CoA lyase
  • (C)  HMG CoA reductase
  • (D)  Mevalonate synthetase
Submitted By :Ali Uppal