Carbohydrates Biochemistry Set 1

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Biochemistry (Carbohydrates And Carbohydrate Metabolism Set 1)

MCQ

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1. Polyuria can occur in

A) High fever

B) Acute glomerulonephritis Acute glomerulonephritis

C) Diarrhea

D) Diabetes mellitus

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2. An amphibolic pathway among the
following is

A) Gluconeogenesis

B) Citirc acid cycle

C) HMP shunt

D) Glycolysis

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3. The following is actively absorbed in the
intestine

A) Fructose

B) Galactose

C) Mannose

D) None of these

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4. Specific gravity of urine is decreased in

A) Acute glomerulonephritis

B) Chronic glomerulonephritis

C) Diarrhea

D) Diabetes mellitus

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5. Galactose on oxidation with conc. HNO3
produces

A) Saccharic acid

B) Saccharo Lactone

C) Mucic acid

D) Gluconic acid

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

A) Phosphofructokinase-2

B) Fructose biphosphate isomerase

C) Fructose-1, 6-biphosphatase

D) Phosphofructokinase-1

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7. 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) Monosaccharides

B) All of these

C) Dissaccharides

D) Polysaccharides

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8. Glycogenin is

A) Protein primer for glycogen synthesis

B) Uncoupler of oxidative phosphorylation

C) Polymer of glycogen molecules

D) Intermediate in glycogen breakdown

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9. The carrier of the citric acid cycle is

A) Oxaloacetate

B) Malate

C) Fumarate

D) Succinate

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

A) Von Gierke’s disease

B) McArdle’s disease

C) Pompe’s disease

D) Cori’s disease

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11. Glycogen synthetase activity is depressed
by

A) Insulin

B) Fructokinase

C) Cyclic AMP

D) Glucose

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12. Glucose uptake by liver cells is

A) Insulin-independent

B) Energy-consuming

C) A saturable process

D) Insulin-dependent

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

A) Brain

B) Liver

C) All of these

D) Erythrocytes

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14. Glucose-6-phosphatase is not present in

A) Kidneys and muscles

B) Kidneys and adipose tissue

C) Muscles and adipose tissue

D) Liver and kidneys

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

A) Maltose

B) Both of the above

C) Neither of these

D) Maltotriose

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

A) Phosphotriose isomerase

B) Dihydroxyacetone phosphorylase

C) Diphosphotriose isomerase

D) Triose isomerase

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17. Cori’s cycle transfers

A) Lactate from muscles to liver

B) Pyruvate from liver to muscles

C) Lactate from liver to muscles

D) Glucose from muscles to liverGlucose from muscles to liver

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18. Pyruvate carboxylase is regulated by

A) Allosteric regulation

B) All of these

C) Induction

D) Repression

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19. Hexokinase has a high affinity for glucose
than

A) Fructokinase

B) Galactokinase

C) All of the above

D) Glucokinase

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20. Lactate formed in muscles can be utilised
through

A) Glucose-alanine cycle

B) Cori’s cycle

C) Citric acid cycl

D) Rapoport-Luebeling cycle

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21. Ethanol decreases gluconeogenesis by

A) Inhibiting glucose-6-phosphatase

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

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

D) Inhibiting PEP carboxykinase

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22. The reaction succinyl COA to succinate
requires

A) CDP

B) ADP

C) GDP

D) NADP+

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23. Uridine diphosphate glucose (UDPG) is

A) Required for metabolism of galactose

B) All of the above

C) A substrate for glycogen synthetase

D) Required for synthesis of glucuronic acid

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24. Excessive intake of ethanol increases the
ratio

A) NADH : NAD+

B) FAD : FADH2

C) FADH2 : FAD

D) NAD+ : NADH

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25. Gluconeogenesis is decreased by

A) Glucagon

B) Insulin

C) Epinephrine

D) Glucocorticoids

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

A) Testosterone

B) Progesterone

C) Epinephrine

D) Insulin

Your score is

The average score is 26%

Carbohydrates Biochemistry Set 1

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