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Biochemistry Mcqs

Biuret test is confirmatory test for_______________?

  • (A)  Protein
  • (B)  Fat
  • (C)  Carbohydrate
  • (D)  None of the above
Submitted By :Ali Uppal


Indole ring is present in______________?

  • (A)  Tryptophan
  • (B)  Valine
  • (C)  Methionine
  • (D)  Histidine
Submitted By :Ali Uppal


In maple syrup urine disease the amino acids excreted in the urine are______________?

  • (A)  Leucine
  • (B)  Isoleucine
  • (C)  Valine
  • (D)  All of the above
Submitted By :Ali Uppal


Aromatic ring is present in_____________?

  • (A)  Arginine
  • (B)  Glycine
  • (C)  Phenylalanine
  • (D)  Phenylalanine, Glycine
Submitted By :Ali Uppal


One of the following is nonessential amino acid______________?

  • (A)  Tyrosine
  • (B)  Valine
  • (C)  Methionine
  • (D)  Cystine
Submitted By :Ali Uppal


Following is non-essential amino acid_______________?

  • (A)  Phenylalanine
  • (B)  Proline
  • (C)  Tryptophan
  • (D)  Threonine
Submitted By :Ali Uppal


The process of transfer of information from the RNA to the proteins is called______________?

  • (A)  Mutation
  • (B)  Translation
  • (C)  Transcription
  • (D)  Conjugation
Submitted By :Ali Uppal


Following are the essential amino acid______________?

  • (A)  Phenylalanine, Tryptophan lysine
  • (B)  Phenylalanine, Arginine Methinonine
  • (C)  Phenylalanine, Valine, Glycine
  • (D)  Histidine, Glutamine, Valine
Submitted By :Ali Uppal


Vitamin B12 is_______________?

  • (A)  Extrinsic factor of castle
  • (B)  Intrinsic factor of castle
  • (C)  Cyano cobalamine
  • (D)  A fat soluble vitamin
Submitted By :Ali Uppal


Thiamine deficiency can be diagnosed by measuring________________?

  • (A)  Thiamine levels in blood
  • (B)  Alkaline phosphatase levels in blood
  • (C)  Transketolase activity in RBC
  • (D)  Plasma pyruvate and lactic acid levels
Submitted By :Ali Uppal