Biochemistry MCQs

Page No. 39

Which of the following statement is TRUE? The hydrolysis of lactose yields glucose and galactose_____________?


aThe hydrolysis of lactose yields glucose and galactose


bThe hydrolysis of maltose yields glucose and fructose


cThe hydrolysis of sucrose yields only glucose


dAll of the above statements are true



Which of them is multienzyme complex_____________?


aPyruvate dehydrogenase


bAlpha ketoglutarate dehydrogenase


cSuccinate dehydrogenase


dEnolase


View Answer Both A & B

Kreb’s cycle occurs in _________ conditions?


aAerobic


bAnaerobic


cMicroaerophilic


dAerobic and anaerobic


View Answer Aerobic

Which acid is formed in the citric acid cycle ?


aOxaloacetic acid


bGlutamic acid


cNitric acid


dNone of the above


View Answer Oxaloacetic acid

The main enzyme responsible for activation of xenobiotics in (detoxification)____________?


aCytochrome P-450


bGlutathione S-transferase


cNADPH cytochrome P-450 reductase


dGlucuronyl transferase


View Answer Cytochrome P-450

What high energy phosphate compound is formed in the citric acid cycle through substrate level phosphorylation______________?


a ATP


bTTP


cITP


dGTP


View Answer GTP

Which of the following is a non-reducing sugar____________?


aGlucose


bMaltose


cLactose


d Sucrose


View Answer Sucrose

The end product of glycolysis under anaerobic conditions is_______________?


aLactic acid


bPyruvic acid


cAcetoacetic acid


dOxaloacetic acid


View Answer Lactic acid

The enzyme involved in the first committed step of glycolysis is____________?


aPhosphofructokinase


bGlucose-6-Phosphatase


cHexokinase


dEnolase


View Answer Hexokinase

Which of the following is correctly matched ?


aIsocitrate to oxalo succinate -1 ATP is formed


bSuccinyl CoA to succinate -1 ATP is formed


cSuccinate to furmarate -1 ATP is formed


dMalate to oxaloacetate -1 ATP is formed



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