Carbohydrate mcq questions-3

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

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

3. Tautomerisation is
(A) Shift of hydrogen (B) Shift of carbon
(C) Shift of both (D) None of these

4. In essential pentosuria, urine contains
(A) D-Ribose (B) D-Xylulose
(C) L-Xylulose (D) D-Xylose

5. Action of salivary amylase on starch leads to the formation of
(A) Maltose (B) Maltotriose
(C) Both of the above (D) Neither of these

6. Congenital galactosaemia can lead to
(A) Mental retardation
(B) Premature cataract
(C) Death
(D) All of the above

7. Uridine diphosphate glucose (UDPG) is
(A) Required for metabolism of galactose
(B) Required for synthesis of glucuronic acid
(C) A substrate for glycogen synthetase
(D) All of the above

8. Catalytic activity of salivary amylase requires the presence of
(A) Chloride ions (B) Bromide ions
(C) Iodide ions (D) All of these

9. The following is actively absorbed in the intestine:
(A) Fructose (B) Mannose
(C) Galactose (D) None of these

10. An amphibolic pathway among the following is
(A) HMP shunt (B) Glycolysis
(C) Citirc acid cycle (D) Gluconeogenesis

Answer
1. A 2. D 3. A 4. C 5. C 6. D 7. D 8. A 9. C 1. C

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