MCQs on Vitamins (Biochemistry).pdf.....

MCQs on Vitamins

1. MCQsonVitamins
1.Whichvitaminisalsoknownasretinol?
oA)VitaminA
oB)VitaminB1
oC)VitaminC
oD)VitaminD
Answer:A
2.Whichvitaminisrequiredforbloodclotting?
oA)VitaminA
oB)VitaminK
oC)VitaminC
oD)VitaminD
Answer:B
3.WhichdiseasecausesadeficiencyofVitaminD?
oA)Rickets
oB)Scurvy
oC)Beriberi
oD)Pellagra
Answer:A
4.Whichvitaminisacoenzymeinthesynthesisofnucleicacids?
oA)VitaminB12
oB)VitaminC
oC)VitaminD
oD)VitaminK
Answer:A
5.Perniciousanemiaiscausedbyadeficiencyofwhichvitamin?
oA)VitaminB6
oB)VitaminB12
oC)VitaminC
oD)VitaminD
Answer:B
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2. 6.Whichvitaminactsasanantioxidant?
oA)VitaminA
oB)VitaminC
oC)VitaminE
oD)Alloftheabove
Answer:D
7.Whichvitaminisinvolvedincollagensynthesis?
oA)VitaminA
oB)VitaminC
oC)VitaminD
oD)VitaminK
Answer:B
8.Niacindeficiencycauseswhichdisease?
oA)Beriberi
oB)Pellagra
oC)Scurvy
oD)Nightblindness
Answer:B
9.Thiamineisalsoknownaswhichvitamin?
oA)VitaminB1
oB)VitaminB2
oC)VitaminB6
oD)VitaminB12
Answer:A
10.VitaminKisessentialforthesynthesisofwhichclottingfactor?
oA)FactorVIII
oB)FactorII
oC)FactorIX
oD)FactorXI
Answer:B
11.VitaminEisalsocalled:
oA)Tocopherol

3. oB)Calciferol
oC)Retinol
oD)Riboflavin
Answer:A
12.Whichvitaminpreventsneuraltubedefectsinfetuses?
Answer:Folicacid(VitaminB9)
13.Whichvitamindeficiencycausesscurvy?
Answer:VitaminC
14.Nightblindnessresultsfromthedeficiencyof:
Answer:VitaminA
15.Riboflavinisalsocalled:
Answer:VitaminB2
16.VitaminB6isalsoknownas:
Answer:Pyridoxine
17.Afat-solublevitaminresponsibleforcalciummetabolismis:
Answer:VitaminD
18.Wernicke-Korsakoffsyndromeisduetoadeficiencyof:
Answer:VitaminB1(Thiamine)
19.Whichvitamindeficiencycausesmegaloblasticanemia?
Answer:VitaminB12
20.Biotinisalsoknownas:
Answer:VitaminB7
21.Whichvitaminisessentialforvision?
Answer:VitaminA
21.Whichvitaminhasaroleinoxidativephosphorylation?
Answer:VitaminB2(Riboflavin)
22.VitaminChelpsintheabsorptionof:
Answer:Iron
23.TheactiveformofVitaminDis:
Answer:Calcitriol
24.VitaminB5isalsocalled:
Answer:Pantothenicacid
25.Whichvitamindeficiencycausescracksatthecornersofthemouth?
Answer:Riboflavin(VitaminB2)
26.VitaminKdeficiencyleadsto:
Answer:Increasedbleedingtendency

4. 27.Whichvitaminisessentialforredbloodcellformation?
Answer:VitaminB12
28.HypervitaminosisAcauses:
Answer:Headache,dizziness,nausea
29.Whichvitaminissynthesizedbyintestinalbacteria?
Answer:VitaminK
30.Whichvitamindeficiencyleadstoberiberi?
Answer:Thiamine(VitaminB1)
31.VitaminassociatedwithcoenzymeNAD+is:
Answer:Niacin(VitaminB3)
32.ExcessVitaminDcauses:
Answer:Hypercalcemia
33.VitaminAisstoredinthe:
Answer:Liver
34.VitaminEprotectsmembranesby:
Answer:Preventinglipidperoxidation
35.VitaminB9isalsoknownas:
Answer:Folicacid
36.Glossitisiscausedbyadeficiencyof:
Answer:Riboflavin(VitaminB2)
37.Whichvitamindeficiencycancauseangularstomatitis?
Answer:VitaminB2
38.VitaminCactsasacofactorfor:
Answer:Prolylhydroxylase
39.Whichvitaminhasanti-hemorrhagicproperties?
Answer:VitaminK
40.VitaminDdeficiencyinadultsleadsto:
Answer:Osteomalacia
41.Pellagraiscausedbyadeficiencyof:
Answer:Niacin(VitaminB3)
42.SourcesofVitaminB12include:
Answer:Animalproducts
43.VitaminB2isacomponentof:
Answer:FAD(FlavinAdenineDinucleotide)
44.VitaminKdeficiencycanleadto:
Answer:Hemorrhagicdisorders

5. 45.Water-solublevitaminsinclude:
Answer:B-complexandVitaminC
46.VitaminDdeficiencycanleadto:
Answer:Hypocalcemia
47.VitaminB6isacoenzymeinthemetabolismof:
Answer:Aminoacids
48.DeficiencyofVitaminEcauses:
Answer:Hemolyticanemia
49.VitaminB1isrequiredfortheactivityofwhichenzyme?
Answer:Pyruvatedehydrogenase