Carbohydrates Biochemistry Set 1

/26

Biochemistry (Carbohydrates And Carbohydrate Metabolism Set 1)

MCQ

1 / 26

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

A) Neither of these

B) Maltotriose

C) Both of the above

D) Maltose

2 / 26

2. Specific gravity of urine is decreased in

A) Diabetes mellitus

B) Chronic glomerulonephritis

C) Diarrhea

D) Acute glomerulonephritis

3 / 26

3. The following is actively absorbed in the
intestine

A) Mannose

B) Fructose

C) Galactose

D) None of these

4 / 26

4. Gluconeogenesis is decreased by

A) Epinephrine

B) Insulin

C) Glucagon

D) Glucocorticoids

5 / 26

5. Cori’s cycle transfers

A) Glucose from muscles to liverGlucose from muscles to liver

B) Lactate from liver to muscles

C) Pyruvate from liver to muscles

D) Lactate from muscles to liver

6 / 26

6. An amphibolic pathway among the
following is

A) Citirc acid cycle

B) Gluconeogenesis

C) Glycolysis

D) HMP shunt

7 / 26

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

A) Dihydroxyacetone phosphorylase

B) Triose isomerase

C) Diphosphotriose isomerase

D) Phosphotriose isomerase

8 / 26

8. Glucose-6-phosphatase is not present in

A) Kidneys and adipose tissue

B) Muscles and adipose tissue

C) Liver and kidneys

D) Kidneys and muscles

9 / 26

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

A) McArdle’s disease

B) Pompe’s disease

C) Von Gierke’s disease

D) Cori’s disease

10 / 26

10. The reaction succinyl COA to succinate
requires

A) CDP

B) NADP+

C) ADP

D) GDP

11 / 26

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

A) Brain

B) All of these

C) Liver

D) Erythrocytes

12 / 26

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

A) Fructose-1, 6-biphosphatase

B) Phosphofructokinase-2

C) Phosphofructokinase-1

D) Fructose biphosphate isomerase

13 / 26

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

A) Testosterone

B) Epinephrine

C) Progesterone

D) Insulin

14 / 26

14. 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

15 / 26

15. Lactate formed in muscles can be utilised
through

A) Citric acid cycl

B) Cori’s cycle

C) Glucose-alanine cycle

D) Rapoport-Luebeling cycle

16 / 26

16. Ethanol decreases gluconeogenesis by

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

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

C) Inhibiting PEP carboxykinase

D) Inhibiting glucose-6-phosphatase

17 / 26

17. Hexokinase has a high affinity for glucose
than

A) All of the above

B) Galactokinase

C) Fructokinase

D) Glucokinase

18 / 26

18. Glycogenin is

A) Uncoupler of oxidative phosphorylation

B) Intermediate in glycogen breakdown

C) Polymer of glycogen molecules

D) Protein primer for glycogen synthesis

19 / 26

19. Glucose uptake by liver cells is

A) Insulin-independent

B) Insulin-dependent

C) Energy-consuming

D) A saturable process

20 / 26

20. Galactose on oxidation with conc. HNO3
produces

A) Mucic acid

B) Saccharic acid

C) Gluconic acid

D) Saccharo Lactone

21 / 26

21. The carrier of the citric acid cycle is

A) Oxaloacetate

B) Fumarate

C) Succinate

D) Malate

22 / 26

22. Glycogen synthetase activity is depressed
by

A) Glucose

B) Insulin

C) Fructokinase

D) Cyclic AMP

23 / 26

23. Excessive intake of ethanol increases the
ratio

A) NAD+ : NADH

B) NADH : NAD+

C) FAD : FADH2

D) FADH2 : FAD

24 / 26

24. Pyruvate carboxylase is regulated by

A) All of these

B) Induction

C) Repression

D) Allosteric regulation

25 / 26

25. Uridine diphosphate glucose (UDPG) is

A) All of the above

B) Required for synthesis of glucuronic acid

C) Required for metabolism of galactose

D) A substrate for glycogen synthetase

26 / 26

26. Polyuria can occur in

A) High fever

B) Acute glomerulonephritis Acute glomerulonephritis

C) Diarrhea

D) Diabetes mellitus

Your score is

The average score is 26%

Carbohydrates Biochemistry Set 1

Follow Us on Social Media