Carbohydrates Biochemistry Set 1

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Biochemistry (Carbohydrates And Carbohydrate Metabolism Set 1)

MCQ

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1. Glucose-6-phosphatase is absent or
deficient in

A) Von Gierke’s disease

B) Cori’s disease

C) Pompe’s disease

D) McArdle’s disease

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2. The following is actively absorbed in the
intestine

A) Mannose

B) Galactose

C) None of these

D) Fructose

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3. In the diet of a diabetic patient, the
recommended carbohydrate intake
should preferably be in the form of In the diet of a diabetic patient, the
recommended carbohydrate intake
should preferably be in the form of

A) Dissaccharides

B) Monosaccharides

C) All of these

D) Polysaccharides

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4. The reaction succinyl COA to succinate
requires

A) NADP+

B) GDP

C) ADP

D) CDP

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5. Cori’s cycle transfers

A) Glucose from muscles to liverGlucose from muscles to liver

B) Lactate from liver to muscles

C) Lactate from muscles to liver

D) Pyruvate from liver to muscles

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6. Excessive intake of ethanol increases the
ratio

A) NAD+ : NADH

B) NADH : NAD+

C) FAD : FADH2

D) FADH2 : FAD

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7. Galactose on oxidation with conc. HNO3
produces

A) Saccharo Lactone

B) Saccharic acid

C) Mucic acid

D) Gluconic acid

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8. Ethanol decreases gluconeogenesis by

A) Inhibiting PEP carboxykinase

B) Converting NAD+ into NADH and decreasing the availability of pyruvate

C) Inhibiting glucose-6-phosphatase

D) Converting NAD+ into NADH and decreasing the availability of lactate

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9. Glycogen synthetase activity is depressed
by

A) Fructokinase

B) Insulin

C) Glucose

D) Cyclic AMP

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10. Lactate formed in muscles can be utilised
through

A) Citric acid cycl

B) Rapoport-Luebeling cycle

C) Cori’s cycle

D) Glucose-alanine cycle

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11. Dihydroxyacetone phosphate and
glyceraldehyde-3-phosphate are
intercoverted by

A) Dihydroxyacetone phosphorylase

B) Phosphotriose isomerase

C) Diphosphotriose isomerase

D) Triose isomerase

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12. An amphibolic pathway among the
following is

A) Gluconeogenesis

B) Glycolysis

C) HMP shunt

D) Citirc acid cycle

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13. The carrier of the citric acid cycle is

A) Fumarate

B) Oxaloacetate

C) Succinate

D) Malate

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14. Gluconeogenesis is decreased by

A) Epinephrine

B) Glucocorticoids

C) Glucagon

D) Insulin

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15. During starvation, ketone bodies are used
as a fuel by

A) Brain

B) Liver

C) All of these

D) Erythrocytes

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16. Glycogenin is

A) Intermediate in glycogen breakdown

B) Uncoupler of oxidative phosphorylation

C) Polymer of glycogen molecules

D) Protein primer for glycogen synthesis

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17. Uridine diphosphate glucose (UDPG) is

A) Required for synthesis of glucuronic acid

B) A substrate for glycogen synthetase

C) Required for metabolism of galactose

D) All of the above

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18. Specific gravity of urine is decreased in

A) Chronic glomerulonephritis

B) Acute glomerulonephritis

C) Diabetes mellitus

D) Diarrhea

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19. Glucose-6-phosphatase is not present in

A) Muscles and adipose tissue

B) Liver and kidneys

C) Kidneys and muscles

D) Kidneys and adipose tissue

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20. Cyclic AMP is formed from ATP by the
enzyme adenylate cyclase which is
activated by the hormone

A) Insulin

B) Epinephrine

C) Progesterone

D) Testosterone

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21. Action of salivary amylase on starch leads
to the formation of

A) Both of the above

B) Neither of these

C) Maltose

D) Maltotriose

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22. Polyuria can occur in

A) Acute glomerulonephritis Acute glomerulonephritis

B) High fever

C) Diarrhea

D) Diabetes mellitus

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23. Fructose-2, 6-biphosphate is formed by
the action of

A) Phosphofructokinase-2

B) Phosphofructokinase-1

C) Fructose biphosphate isomerase

D) Fructose-1, 6-biphosphatase

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24. Hexokinase has a high affinity for glucose
than

A) Galactokinase

B) Glucokinase

C) All of the above

D) Fructokinase

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25. Pyruvate carboxylase is regulated by

A) Allosteric regulation

B) All of these

C) Induction

D) Repression

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26. Glucose uptake by liver cells is

A) Energy-consuming

B) A saturable process

C) Insulin-independent

D) Insulin-dependent

Your score is

The average score is 40%

Carbohydrates Biochemistry Set 1

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