Biochemistry - Mock Test 105

Question 1041

In presence of the following cofactor, pyruvate carboxylase converts pyruvate to oxaloacetate?

A) ATP, Protein and CO2 B) CO2 and ATP C) CO2 D) Protein

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Question 1042

Which of the following enzyme is not involved in HMP shunt?

A) Glyceraldehyde-3-p dehydrogenase B) Glucose-6-p-dehydrogenase C) Transketolase D) Phosphogluconate dehydrogenase

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Question 1043

How many ATP molecules will be required for conversion of 2-molecules of Lactic acid to Glucose?

A) 2 B) 4 C) 8 D) 6

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Question 1044

The glycolysis is regulated by?

A) Hexokinase B) Phosphofructokinase C) Pyruvate kinase D) All of these

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Question 1045

An allosteric enzyme responsible for controlling the rate of TCA cycle is?

A) Malate dehydrogenase B) Isocitrate dehydrogenase C) Fumarase D) Aconitase

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Question 1046

Which of the following statements regarding TCA cycle is true?

A) It is an anaerobic process B) It occurs in cytosol C) It contains no intermediates for Gluconeogenesis D) It is amphibolic in nature

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Question 1047

Which of the following enzymes in Glycolytic pathway is inhibited by fluoride?

A) Glyceraldehyde-3-p dehydrogenase B) Phosphoglycerate kinase C) Pyruvate kinase D) Enolase

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Question 1048

Which of the following hormones is not involved in carbohydrate metabolism?

A) Cortisol B) ACTH C) Glucogen D) Vasopressin

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Question 1049

The “Primaquin sensitivity types of haemolytic anaemia has been found to relate to reduced R.2⃣ C activity of which enzyme?

A) Pyruvate kinase deficiency B) Glucose-6-phosphatase deficiency C) Glucose-6-p dehydrogenase deficiency D) Hexokinase deficiency

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Question 1050

The ratio that approximates the number of net molecule of ATP formed per mole of Glucose oxidized in presence of O2 to the net number formed in abscence of O2 is?

A) 4 : 1 B) 10 : 2 C) 12 : 1 D) 18 : 1

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