Biochemistry (Carbohydrates And Carbohydrate Metabolism Set 1)

MCQ

1 / 26

Specific gravity of urine is decreased in

A) Acute glomerulonephritis

B) Chronic glomerulonephritis

C) Diarrhea

D) Diabetes mellitus

2 / 26

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

3 / 26

The carrier of the citric acid cycle is

A) Malate

B) Oxaloacetate

C) Fumarate

D) Succinate

4 / 26

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) All of these

B) Monosaccharides

C) Dissaccharides

D) Polysaccharides

5 / 26

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

6 / 26

Uridine diphosphate glucose (UDPG) is

A) Required for synthesis of glucuronic acid

B) Required for metabolism of galactose

C) A substrate for glycogen synthetase

D) All of the above

7 / 26

Pyruvate carboxylase is regulated by

A) Repression

B) All of these

C) Allosteric regulation

D) Induction

8 / 26

Polyuria can occur in

A) Diarrhea

B) Acute glomerulonephritis Acute glomerulonephritis

C) Diabetes mellitus

D) High fever

9 / 26

Lactate formed in muscles can be utilised
through

A) Citric acid cycl

B) Cori’s cycle

C) Rapoport-Luebeling cycle

D) Glucose-alanine cycle

10 / 26

Hexokinase has a high affinity for glucose
than

A) Glucokinase

B) All of the above

C) Galactokinase

D) Fructokinase

11 / 26

Dihydroxyacetone phosphate and
glyceraldehyde-3-phosphate are
intercoverted by

A) Phosphotriose isomerase

B) Dihydroxyacetone phosphorylase

C) Diphosphotriose isomerase

D) Triose isomerase

12 / 26

Galactose on oxidation with conc. HNO3
produces

A) Gluconic acid

B) Saccharo Lactone

C) Mucic acid

D) Saccharic acid

13 / 26

Glucose-6-phosphatase is absent or
deficient in

A) Pompe’s disease

B) Von Gierke’s disease

C) Cori’s disease

D) McArdle’s disease

14 / 26

Glycogenin is

A) Uncoupler of oxidative phosphorylation

B) Protein primer for glycogen synthesis

C) Intermediate in glycogen breakdown

D) Polymer of glycogen molecules

15 / 26

Ethanol decreases gluconeogenesis by

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

B) Inhibiting PEP carboxykinase

C) Inhibiting glucose-6-phosphatase

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

16 / 26

Gluconeogenesis is decreased by

A) Glucagon

B) Epinephrine

C) Glucocorticoids

D) Insulin

17 / 26

The reaction succinyl COA to succinate
requires

A) CDP

B) ADP

C) GDP

D) NADP+

18 / 26

Glycogen synthetase activity is depressed
by

A) Insulin

B) Cyclic AMP

C) Glucose

D) Fructokinase

19 / 26

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

A) Progesterone

B) Insulin

C) Testosterone

D) Epinephrine

20 / 26

An amphibolic pathway among the
following is

A) Citirc acid cycle

B) Glycolysis

C) Gluconeogenesis

D) HMP shunt

21 / 26

Cori’s cycle transfers

A) Glucose from muscles to liverGlucose from muscles to liver

B) Lactate from muscles to liver

C) Pyruvate from liver to muscles

D) Lactate from liver to muscles

22 / 26

Glucose uptake by liver cells is

A) Insulin-dependent

B) Insulin-independent

C) A saturable process

D) Energy-consuming

23 / 26

Action of salivary amylase on starch leads
to the formation of

A) Both of the above

B) Neither of these

C) Maltotriose

D) Maltose

24 / 26

The following is actively absorbed in the
intestine

A) None of these

B) Fructose

C) Mannose

D) Galactose

25 / 26

During starvation, ketone bodies are used
as a fuel by

A) Liver

B) Brain

C) Erythrocytes

D) All of these

26 / 26

Excessive intake of ethanol increases the
ratio

A) FADH2 : FAD

B) NAD+ : NADH

C) NADH : NAD+

D) FAD : FADH2

Your score is

The average score is 26%

Carbohydrates Biochemistry Set 1

Carbohydrates Biochemistry Set 1

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