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Biochemistry Mcqs

Two Vitamin whose derivatives are involved in transformation of serine to glycine are_____________?

  • (A)  B6 ad B12
  • (B)  B12 and nicotinamie
  • (C)  Folic acid and B6
  • (D)  Folic acid and B12
Submitted By :Ali Uppal


Which vitamin is related to a co-factor in glycine metabolism is______________?

  • (A)  Vit E
  • (B)  Folic acid
  • (C)  Thiamine
  • (D)  Cobalamine
Submitted By :Ali Uppal


Tryptophan load test helps in the evaluation of deficiency of the vitamin______________?

  • (A)  Folic acid
  • (B)  Niacinamide
  • (C)  Pyridoxine
  • (D)  Cyano cobolamine
Submitted By :Ali Uppal


Vitamin C is present in largest amount in the body in____________?

  • (A)  Eye
  • (B)  Kidneys
  • (C)  Testes
  • (D)  Adrenal cortex
Submitted By :Ali Uppal


Submitted By :Ali Uppal


Most of vitamin B12 in the body is stored as_____________?

  • (A)  Methyl B12
  • (B)  Hydroxy B12
  • (C)  Cyano cobalamine
  • (D)  None of the above
Submitted By :Ali Uppal


Which of the following is not true of Vit D_______________?

  • (A)  Its active form is calcitriol
  • (B)  Increase calcium absorption from the intestines
  • (C)  Its deficiency results in rickets
  • (D)  Its decrease cause phosphate reabsorption from the kidneys
Submitted By :Ali Uppal


The action of vitamin K in formation of clotting factor is through__________________?

  • (A)  Post transcription
  • (B)  Post translation
  • (C)  Golgi complex
  • (D)  Endoplasmic reticulum
Submitted By :Ali Uppal


Vitamin K dependent clotting factors are______________?

  • (A)  II
  • (B)  VII
  • (C)  IX
  • (D)  X
  • (E)  All of the above
Submitted By :Ali Uppal


Coenzyme forms are correctly matched except_____________?

  • (A)  Biotin – carboxylated biotin
  • (B)  Vitamin B – ATP
  • (C)  Niacin – NAD+NADP
  • (D)  Vitamin B2 – FMN+FAC
Submitted By :Ali Uppal