Carbohydrates Biochemistry Set 1

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Biochemistry (Carbohydrates And Carbohydrate Metabolism Set 1)

MCQ

1 / 26

The following is actively absorbed in the
intestine

A) Mannose

B) None of these

C) Fructose

D) Galactose

2 / 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) Polysaccharides

C) Dissaccharides

D) Monosaccharides

3 / 26

The reaction succinyl COA to succinate
requires

A) CDP

B) ADP

C) NADP+

D) GDP

4 / 26

Cori’s cycle transfers

A) Glucose from muscles to liverGlucose from muscles to liver

B) Lactate from muscles to liver

C) Lactate from liver to muscles

D) Pyruvate from liver to muscles

5 / 26

Pyruvate carboxylase is regulated by

A) All of these

B) Induction

C) Allosteric regulation

D) Repression

6 / 26

Glycogenin is

A) Intermediate in glycogen breakdown

B) Polymer of glycogen molecules

C) Protein primer for glycogen synthesis

D) Uncoupler of oxidative phosphorylation

7 / 26

An amphibolic pathway among the
following is

A) Glycolysis

B) HMP shunt

C) Citirc acid cycle

D) Gluconeogenesis

8 / 26

Glycogen synthetase activity is depressed
by

A) Cyclic AMP

B) Insulin

C) Glucose

D) Fructokinase

9 / 26

Gluconeogenesis is decreased by

A) Glucagon

B) Epinephrine

C) Insulin

D) Glucocorticoids

10 / 26

Action of salivary amylase on starch leads
to the formation of

A) Neither of these

B) Both of the above

C) Maltose

D) Maltotriose

11 / 26

Galactose on oxidation with conc. HNO3
produces

A) Mucic acid

B) Saccharic acid

C) Saccharo Lactone

D) Gluconic acid

12 / 26

Dihydroxyacetone phosphate and
glyceraldehyde-3-phosphate are
intercoverted by

A) Diphosphotriose isomerase

B) Triose isomerase

C) Dihydroxyacetone phosphorylase

D) Phosphotriose isomerase

13 / 26

Uridine diphosphate glucose (UDPG) is

A) Required for synthesis of glucuronic acid

B) A substrate for glycogen synthetase

C) All of the above

D) Required for metabolism of galactose

14 / 26

Ethanol decreases gluconeogenesis by

A) Inhibiting PEP carboxykinase

B) Inhibiting glucose-6-phosphatase

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

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

15 / 26

Glucose uptake by liver cells is

A) Insulin-independent

B) Insulin-dependent

C) A saturable process

D) Energy-consuming

16 / 26

Excessive intake of ethanol increases the
ratio

A) NADH : NAD+

B) FAD : FADH2

C) FADH2 : FAD

D) NAD+ : NADH

17 / 26

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

A) Insulin

B) Epinephrine

C) Testosterone

D) Progesterone

18 / 26

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

A) Phosphofructokinase-1

B) Fructose biphosphate isomerase

C) Fructose-1, 6-biphosphatase

D) Phosphofructokinase-2

19 / 26

During starvation, ketone bodies are used
as a fuel by

A) Erythrocytes

B) Brain

C) Liver

D) All of these

20 / 26

The carrier of the citric acid cycle is

A) Malate

B) Oxaloacetate

C) Fumarate

D) Succinate

21 / 26

Specific gravity of urine is decreased in

A) Chronic glomerulonephritis

B) Diabetes mellitus

C) Acute glomerulonephritis

D) Diarrhea

22 / 26

Glucose-6-phosphatase is not present in

A) Kidneys and adipose tissue

B) Liver and kidneys

C) Muscles and adipose tissue

D) Kidneys and muscles

23 / 26

Lactate formed in muscles can be utilised
through

A) Citric acid cycl

B) Glucose-alanine cycle

C) Rapoport-Luebeling cycle

D) Cori’s cycle

24 / 26

Glucose-6-phosphatase is absent or
deficient in

A) McArdle’s disease

B) Von Gierke’s disease

C) Pompe’s disease

D) Cori’s disease

25 / 26

Hexokinase has a high affinity for glucose
than

A) Fructokinase

B) Glucokinase

C) All of the above

D) Galactokinase

26 / 26

Polyuria can occur in

A) High fever

B) Diarrhea

C) Diabetes mellitus

D) Acute glomerulonephritis Acute glomerulonephritis

Your score is

The average score is 26%

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