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

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bThe hydrolysis of maltose yields glucose and fructose

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cThe hydrolysis of sucrose yields only glucose

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dAll of the above statements are true

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Which of them is multienzyme complex_____________?


aPyruvate dehydrogenase

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bAlpha ketoglutarate dehydrogenase

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cSuccinate dehydrogenase

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dEnolase

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View Answer Both A & B

Kreb’s cycle occurs in _________ conditions?


aAerobic

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bAnaerobic

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cMicroaerophilic

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dAerobic and anaerobic

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View Answer Aerobic

Which acid is formed in the citric acid cycle ?


aOxaloacetic acid

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bGlutamic acid

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cNitric acid

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dNone of the above

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View Answer Oxaloacetic acid

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


aCytochrome P-450

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bGlutathione S-transferase

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cNADPH cytochrome P-450 reductase

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dGlucuronyl transferase

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View Answer Cytochrome P-450

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


a ATP

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bTTP

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cITP

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dGTP

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View Answer GTP

Which of the following is a non-reducing sugar____________?


aGlucose

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bMaltose

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cLactose

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d Sucrose

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View Answer Sucrose

The end product of glycolysis under anaerobic conditions is_______________?


aLactic acid

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bPyruvic acid

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cAcetoacetic acid

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dOxaloacetic acid

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View Answer Lactic acid

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


aPhosphofructokinase

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bGlucose-6-Phosphatase

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cHexokinase

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dEnolase

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View Answer Hexokinase

Which of the following is correctly matched ?


aIsocitrate to oxalo succinate -1 ATP is formed

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bSuccinyl CoA to succinate -1 ATP is formed

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cSuccinate to furmarate -1 ATP is formed

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dMalate to oxaloacetate -1 ATP is formed

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