Carbohydrates Metabolism MCQ Questions.pdf

Carbohydrates Metabolism MCQ Questions.pdf

1. CarbohydrateMetabolismMCQQuestions
1.Whichofthefollowingisthemostabundantbiomoleculeontheearth?
(a)Lipids
(b)Proteins
(c)Carbohydrates
(d)Nucleicacids.
2.Namethemajorstorageformofcarbohydratesinanimals.
a.Starch
b.Chitin
c.Glycogen
d.Cellulose
3.Glycolysisistheconversionof
(a)Fructoseintophosphoenolpyruvate
(b)Fructoseintopyruvate
(c)Glucoseintophosphoenolpyruvate
(d)Glucoseintopyruvate
4.Whichofthefollowingistheendproductofglycolysisunderanaerobicconditionsin
humans?
a)Acetyl-CoA
b)Lacticacid
c)Ethanol
d)Citricacid
5.Therate-limitingenzymeinglycolysisis:
a)Hexokinase
b)Phosphofructokinase-1(PFK-1)
c)Pyruvatekinase
d)Glucose-6-phosphatedehydrogenase
6.TheCoricycleinvolvesthetransportofwhichcompoundfrommusclestotheliver?
a)Pyruvate

2. b)Lactate
c)Glucose
d)Alanine
7.Whichofthefollowingprocessesoccursinthemitochondria?
a)Glycolysis
b)Gluconeogenesis
c)Krebscycle
d)Glycogenesis
8.ThefirststepintheTCAcycleinvolvesthecondensationofacetyl-CoAwith:
a)Oxaloacetate
b)Citrate
c)Alpha-ketoglutarate
d)Succinate
9.Theenzymealdolasesplitsfructose-1,6-bisphosphateinto:
a)Twomoleculesofglyceraldehyde-3-phosphate
b)Glucose-6-phosphateandfructose-6-phosphate
c)Glyceraldehyde-3-phosphateanddihydroxyacetonephosphate
d)Pyruvateandlactate
10.WhichcompoundlinksglycolysisandtheTCAcycle?
a)Lactate
b)Pyruvate
c)Acetyl-CoA
d)Citrate
11.Whichenzymeconvertsfructosetofructose-1-phosphateintheliver?
a)Fructokinase
b)AldolaseB
c)Hexokinase
d)Phosphofructokinase
12.Whichofthefollowingintermediatesaccumulatesingalactosemiaduetogalactose-
1-phosphateuridyltransferasedeficiency?
a)Galactose
b)Galactose-1-phosphate
c)Glucose-1-phosphate
d)UDP-galactose