Biochemistry MCQs

Page No. 5

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


a B6 ad B12


bB12 and nicotinamie


cFolic acid and B6


dFolic acid and B12


View Answer Folic acid and B6

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


aVit E


bFolic acid


cThiamine


dCobalamine


View Answer Folic acid

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


aFolic acid


bNiacinamide


cPyridoxine


dCyano cobolamine


View Answer Pyridoxine

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


aEye


bKidneys


cTestes


dAdrenal cortex


View Answer Adrenal cortex

The following vitamin is important in non-oxidative decarboxylation, transamination and transsulfuration reactions_____________?


aRiboflavin


bThiamine


cPyridoxine


dPantothenic acid


View Answer Pyridoxine

Most of vitamin B12 in the body is stored as_____________?


aMethyl B12


bHydroxy B12


cCyano cobalamine


d None of the above


View Answer Methyl B12

Which of the following is not true of Vit D_______________?


aIts active form is calcitriol


bIncrease calcium absorption from the intestines


cIts deficiency results in rickets


dIts decrease cause phosphate reabsorption from the kidneys



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


aPost transcription


bPost translation


cGolgi complex


dEndoplasmic reticulum


View Answer Post translation

Tocopherol is associated with____________?


aVitamin A


bVitamin E


cVitamin K


dVitamin D


View Answer Vitamin E

Ascorbic acid_____________?


a Is a reducing agent


bDecrease iron absorption


c Is harmless in high doses


dIs requirement for lysyl oxidase



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