Von Gierke’s disease is characterized by the deficiency of (A) Glucose-6-phosphatase (B) α -1→ 4 Glucosidase (C) 1→ 6 Glucosidase (D) Liver phosphorylase

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Answer :

Answer :  A

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Description : In glycogenolysis, the enzyme which transfers a trisaccharide unit from one branch to the other exposing 1→ 6 branch point is (A) Phosphorylase (B) α-[1→ 4]→ α-[1→ 4]→ Glucan transferase (C) Amylo [1→ 6] glucosidase (D) Amylo[1→ 4]→ [1→ 6] transglucosidase

Last Answer : Answer : B

Description : Glucose-6-phosphatase is absent or deficient in (A) Von Gierke’s disease (B) Pompe’s disease (C) Cori’s disease (D) McArdle’s disease

Last Answer : A

Description : Pompe ’s d isease is caused due to deficiency of (A) Lysosomal α-1→4 and 1→6-glucosidase (B) Glucose-6-phosphatase (C) Glycogen synthase (D) Phosphofructokinase

Last Answer : Answer : A

Description : McArdle’s disease is due to the deficiency of (A) Glucose-6-phosphatase (B) Phosphofructokinase (C) Liver phosphorylase (D) muscle phosphorylase

Last Answer : D

Description : In glycogenesis a branch point in the molecule is established by the enzyme (A) Amylo[1→ 4][1→ 6] transglucosidase (B) α [1→ 4] α [1→ 4] Glucan transferase (C) Amylo [1→ 6] glucosidase (D) Glycogen synthase

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Description : Tarui disease is characterized by the deficiency of the enzyme: (A) Liver phosphorylase (B) Muscle phosphorylase (C) Muscle and erythrocyte phosphofructokinase (D) Lysosomal acid maltase

Last Answer : Answer : C

Description : Her’s disease is characterized by deficiency of (A) Muscle phosphorylase (B) Liver phosphorylase (C) Debranching enzyme (D) Glycogen synthase

Last Answer : Answer : B

Description : Gaucher’s disease is due to the deficiency of the enzyme: (A) α-Fucosidase (B) β-Galactosidase (C) β-Glucosidase (D) Sphingomyelinase

Last Answer : Answer : C

Description : The enzyme that converts glucose to glucose-6-phosphate is (A) Phosphatase (B) Hexokinase (C) Phosphorylase (D) Glucose synthetase

Last Answer : Answer : B

Description : The following enzyme is required for the hexose monophosphate shunt pathway: (A) Glucose-6-phosphatase (B) Phosphorylase (C) Aldolase (D) Glucose-6-phosphate dehydrogenase

Last Answer : D

Description : An important feature of Von-Gierke’s disease is (A) Muscle cramps (B) Cardiac failure (C) Hypoglycemia (D) Respiratory alkalosis

Last Answer : Answer : C

Description : Debranching enzyme is absent in (A) Cori’s disease (B) Andersen’s disease (C) Von Gierke’s disease (D) Her’s disease

Last Answer : A

Description : Glycogen is converted to glucose-1- phosphate by (A) UDPG transferase (B) Branching enzyme (C) Phosphorylase (D) Phosphatase

Last Answer : C

Description : Amylo 1, 6 glucosidase is called (A) Branching enzyme (B) debranching enzyme (C) Glucantransferase (D) Phosphorylase

Last Answer : B

Description : Mc Ardle’s syndrome is characterized by the absence of (A) Liver phosphorylase (B) Muscle phosphorylase (C) Branching enzyme (D) Debranching enzyme

Last Answer : Answer : B

Description : The enzyme deficient in Sandhoff’s disease is (A) α-Fucosidase (B) Hexosaminidase A and B (C) β-Galactosidase (D) β-Glucosidase

Last Answer : Answer : B

Description : The enzyme deficient in Fabry’s disease is (A) α-Galactosidase (B) β-Galactosidase (C) α-Glucosidase (D) β-Glucosidase

Last Answer : Answer : A

Description : Gaucher's Disease is associated with the deficiency of : 1) Hexosaminidase A 2) Sphingomyelinase 3) Arylsulphatase-A 4) B- Glucosidase 5) Iduronidase

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Description : The “Primaquin sensitivity types of haemolytic anaemia has been found to relate to reduced R.B.C activity of which enzyme? (A) Pyruvate kinase deficiency (B) Glucose-6-phosphatase deficiency (C) Glucose-6-p dehydrogenase deficiency (D) Hexokinase deficiency

Last Answer : C

Description : The enzyme glucose 6-phosphatase is present in (A) Liver (B) Muscle (C) Adipose tissue (D) Brain

Last Answer : Answer : A

Description : The enzyme glucose-6-phosphatase which catalyses the conversion of glucose 6-phosphate to glucose is not found in (A) Liver (B) Muscle (C) Intestine (D) Kidney

Last Answer : Answer : B

Description : The hydrolysis of glucose-6-PO4 is catalyzed by a phosphatase that is not found in which of the following? (A) Liver (B) Kidney (C) Muscle (D) Small intestine

Last Answer : Answer : C

Description : The hydrolysis of Glucose-6-P is catalysed by a phosphatase that is not formed in which of the following? (A) Liver (B) Kidney (C) Muscle (D) Small intestine

Last Answer : C

Description : The hydrolysis of Glucose-6-phosphate is catalysed by a specific phosphatase which is found only in (A) Liver, intestines and kidneys (B) Brain, spleen and adrenals (C) Striated muscle (D) Plasma

Last Answer : A

Description : Glucose-6-phosphatase is not present in (A) Liver and kidneys (B) Kidneys and muscles (C) Kidneys and adipose tissue (D) Muscles and adipose tissue

Last Answer : D

Description : Serum acid phosphatase level increases in (A) Metastatic carcinoma of prostate (B) Myocardial infarction (C) Wilson’s disease (D) Liver diseases

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Description : It is said that nucleotide phosphatase (NTP) is a better index of obstructive liver disease than alkaline phosphatase (ALP), why?

Last Answer : ALP level is increased in both liver and bone diseases, but NTP is only in liver diseases. 

Description : Glycogen phosphorylase liberates the following from glycogen (A) Glucose (B) Glucose-6-phosphate (C) Glucose-1-phosphate (D) Maltose

Last Answer : Answer : C

Description : Glycogen while being acted upon by active phosphorylase is converted first to (A) Glucose (B) Glucose 1-phosphate and Glycogen with 1 carbon less (C) Glucose-6-phosphate and Glycogen with 1 carbon less (D) 6-Phosphogluconic acid

Last Answer : C

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Last Answer : Answer : C

Description : Hepatocellular jaundice as compared to pure obstructive type of jaundice is characterized by (A) Increased serum alkaline phosphate, LDH and ALT (B) Decreased serum alkaline phosphatase, LDH and ALT (C ... levels of LDH and ALT (D) Decreased serum alkaline phosphatase and increased serum LDH and ALT

Last Answer : Answer : D

Description : The α-ketoacid is decarboxylated by H2O2 forming a carboxylic acid with one carbon atom less in the absence of the enzyme: (A) Catalase (B) Decarboxylase (C) Deaminase (D) Phosphatase

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Description : The mutarotation of glucose is characterized by : (a) a change from an aldehyde to ketone structure. (b) a change of specific rotation from a (+) to a (–) value. (c) the presence of an intramolecular bridge structure. (d) the irreversible change from α-D to the β-D form.

Last Answer : the presence of an intramolecular bridge structure.

Description : One of the causes of hemolytic jaundice is (A) G-6 phosphatase deficiency (B) Increased conjugated bilirubin (C) Glucokinase deficiency (D) Phosphoglucomutase deficiency

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Last Answer : D

Description : Glucocorticoids increase the synthesis of all of the following except (A) Glucokinase (B) Glucose-6-phosphatase (C) Fructose-1, 6-biphosphatase (D) Pyruvate carboxylase

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Description : In conversion of lactic acid to glucose, three reactions of glycolytic pathway are circumvented, which of the following enzymes do not participate? (A) Pyruvate carboxylase (B) Phosphoenol pyruvate carboxy kinase (C) Pyruvate kinase (D) Glucose-6-phosphatase

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Description : In conversion of Lactic acid to Glucose, three reactions of Glycolytic pathway are circumvented, which of the following enzymes do not participate? (A) Pyruvate Carboxylase (B) Phosphoenol pyruvate carboxy kinase (C) Pyruvate kinase (D) Glucose-6-phosphatase

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Description : The following is an enzyme required for glycolysis: (A) Pyruvate kinase (B) Pyruvate carboxylase (C) Glucose-6-phosphatase (D) Glycerokinase

Last Answer : A

Description : Ethanol decreases gluconeogenesis by (A) Inhibiting glucose-6-phosphatase (B) Inhibiting PEP carboxykinase (C) Converting NAD+ into NADH and decreasing the availability of pyruvate (D) Converting NAD+ into NADH and decreasing the availability of lactate

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Last Answer : Answer : B