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CARBOHYDRATES METABOLISM

Total questions: 55

Worksheet time: 25mins

Name
Class
Date
1.

Vitamin B 7 functions in the Metabolism of carbohydrates by;

a)

Production of Nicotinamide Dinucleotide

b)

Involve in Glycogenesis

c)

Occurs in Pyruvate carboxylate

d)

Precursor in the production of Coenzyme A

2.

The following Describes the function of Glucagon EXCEPT:

a)

has 51 amino acid

b)

Increase blood glucose level

c)

Released by Alpha cells

d)

Speeds up Glycogenolysis

3.

Which of the following hormone/s is released upon increased release of sugar?

a)

Insulin

b)

Adrenaline

c)

Glucagon

d)

adrenaline and glucagon

4.

Which of the following is a unique Characteristic of Type 2 Diabetes Mellitus?

a)

Hypoglycemia

b)

Onset is @<40

c)

PolyPhagia

d)

Needs Insulin Treatment

5.

Which of the following is considered as the treatment for Diabetes Mellitus Type 1?

a)

Glyclazide

b)

Insulin

c)

Metformin

d)

all of the choices

6.

Which of the Following Depicts the fate of a pyruvate in Aerobic condition?

a)

Acetyl CoA

b)

Ethanol

c)

Lactate

d)

DHAP

7.

Which of the following Process depicts the Consumption of ATP during Glycolysis?

a)

Formation of Phosphophenolpyruvate

b)

Formation of Pyruvate

c)

Formation of Fructose 1,6-Bisphosphate

d)

Formation of Fructose 6-phosphate

8.

The Primary site of Digestion and Absorption of Carbohydrate.

a)

Mouth

b)

Small Intestines

c)

Stomach

d)

Epiglotis

9.

The process by which molecules are broken down into simple chemical units.

a)

Digestion

b)

Metabolism

c)

Absorption

d)

Phosphorilation

10.

During the Metabolsim of Carbohydrate, which of the following substance is the Final product for breakdown of starch?

a)

Oligosaccharide

b)

Monosaccharide

c)

Disaccharide

d)

Polysaccharides

11.

The First site for Carbohydrate Metabolism?

a)

Mouth

b)

Small Intestines

c)

Stomach

d)

Epiglotis

12.

Which of the following factors/reason Explains why Small intestine is the site for carbohydrate metabolism?

a)

Gastric pH of the organ

b)

Presence of enzymes

c)

Higher surface area

d)

Location

13.

Absorption of the carbohydrate uses what system?

a)

Active Transport

b)

Passive Transport

c)

Carrier Mediated

d)

Channel Mediated

14.

The primary focus/goal for carbohydrate metabolism.

a)

Glycolysis

b)

Glucogenesis

c)

Gluconeogenesis

d)

Glucolysis

15.

The Hydrolysis of Sucrose is facilitated by;

a)

Fructase

b)

Glucase

c)

Sucrase

d)

hexase

16.

The Pathway by which glucose will produce into pyruvate?

a)

Glycolysis

b)

Glycogenolysis

c)

Gluconeogenesis

d)

Glycogenesis

17.

The breakdown of Maltose will yield;

a)

Glucose

b)

Galactose

c)

Fructose

d)

Mannose

18.

The First Enzyme that is utilized by your body to hydrolyse Carbohydrate.

a)

Sucrase

b)

Maltase

c)

Amylase

d)

Pancreatic Amylase

19.

The Primary Requirement for the Absorption of the Monosaccharide.

a)

ATP

b)

ADP

c)

NAD

d)

AMP

20.

Formation of Glucose-6-phosphate

a)

Phosphorylation Using ATP

b)

Phosphorylation of ADP

c)

Isomerization

d)

Cleavage

21.

Formation of Glyceraldehyde 3-Phosphate

a)

Phosphorylation Using ATP

b)

Isomerization

c)

Dehydration

d)

Phosphorylation of ADP

22.

Formation of 3-phosphoglycerate

a)

Phosphorylation of ADP

b)

Phosphorylation Using ATP

c)

Dehydration

d)

Cleavage

23.

Formation of 2 triose Phosphate

a)

Phosphorylation Using ATP

b)

Phosphorylation of ADP

c)

Dehydration

d)

Cleavage

24.

Formation Phosphoenolpyruvate

a)

Dehydration

b)

Cleavage

c)

Phosphorylation Using ATP

d)

Isomerization

25.

The net ATP produced in the process of Glycolysis.

a)

1

b)

2

c)

3

d)

4

26.

Hexokinase requires Potassium metal Ion

a)

true

b)

false

27.

Formation of Fructose 6-Phosphate uses Phosphoglucoisomerase enzyme

a)

true

b)

false

28.

Step 6 Involves the Formation of Glyceraldehyd 3-phosphate

a)

true

b)

false

29.

Formation of 1,3-Biphosphoglycerate is Step 8 in Glycolysis

a)

true

b)

false

30.

Glucose can Cross the Cell Membrane

a)

true

b)

false

31.

Dihydroxyacetone phosphate is an aldehyde

a)

true

b)

false

32.

Formation of phosphenolpyruvate is facilitated by enolase

a)

true

b)

false

33.

Aldolase is the enzyme that catalysed the formation of 2 triose phosphates

a)

true

b)

false

34.

Phosphorylation of ADP produces ADP

a)

true

b)

false

35.

Triosephosphate ismoerase Catalyzes the formation of Glyceraldehyde 3-phosphate

a)

true

b)

false

36.

Formation of Glucose 6-Phosphate Consumes ATP

a)

true

b)

false

37.

Glycolysis is a 10 step process

a)

true

b)

false

38.

Step 5 of Glycolysis involves Formation of 3-phosphoglycerate

a)

true

b)

false

39.

The Formation of Glucose 1,6-Bisphosphate uses Posphofruktocinase

a)

true

b)

false

40.

Which of the following is a by-product of extraneous muscular activity?

a)

Pyruvate

b)

Glucose

c)

Lactate

d)

RIbose

41.

The enzymatic conversion of pyruvate to ethanol and Carbon Dioxide.

a)

Fermentation

b)

Lactate Fermentation

c)

Ethanol Fermentation

d)

Glucose Fermentation

42.

Which of the following processes produces 1 cystolic NADH?

a)

Glucose -> Glucose 6 phosphate

b)

Glucose 6 phosphate -> Fructose 1,6-biphosphate

c)

2(Glyceraldehyde 3-phophate -> 1,3-biphosphoglycerate)

d)

2 (1,3-biphosphoglycerate ->3phosphoglycerate)

43.

The pathway by which glycogen is synthesized from glucose 6-phosphate

a)

Glycolysis

b)

Glycogenolysis

c)

Glycogenesis

d)

Gluconeogenesis

44.

Is a cyclic biochemical process in which glucose is converted into lactate in muscle tissue, the lactate to glucose in liver and glucose returned to muscle tissue.

a)

Krebs cycle

b)

Cori cycle

c)

ETC

d)

Urea cycle

45.

The pathway by which glucose is synthesized from non-carbohydrate materials.

a)

Glycolysis

b)

Glycogenolysis

c)

Glycogenesis

d)

Gluconeogenesis

46.

A pathway that is done by the body when the demand for Ribose 5-phosphate is high.

a)

Pentose phosphate pathway

b)

Krebs cycle

c)

ETC

d)

Phosphorilation

47.

Enzyme responsible for transfer of carbons in the Ribose-5-P and Xylulose-5-P making GA3P

a)

Transketolase

b)

Transaldolase

c)

Isomerase

d)

Epimerase

48.

Type of GluT that can be found on placenta

a)

I

b)

II

c)

III

d)

IV

49.

Vitamin B that helps in Transketolase

a)

1

b)

2

c)

3

d)

5

50.

Enzyme needed...

a)

Epimerase

b)

Isomerase

c)

Transketolase

d)

Transaldolase

51.

Catalyzes the hydrolysis of a-glycosidic linkages in starch

a)

Salivary amylase

b)

Pancreatic amylase

c)

Maltase

d)

Sucrase

52.

The following are enzymes involved in the finals step in carbohydrate digestion

a)

Maltase

b)

Sucrase

c)

Lactase

d)

Fructase

53.

What effect does gastric juice in the stomach have on dietary polysaccharides?

a)

converts polysaccharides to dissaccharides

b)

converts polysaccharides to monosaccharides

c)

no effect on polysaccharides

d)

no effect on the food

54.

In human body, under oxygen-rich and oxygen-poor conditions, respectively, pyruvate is converted to

a)

lactate and ethanol

b)

lactate and acetyl CoA

c)

acetyl CoA and lactate

d)

acetyl CoA and glycogen

55.

meaning of Co in acetyl CoA

a)

Cobalt

b)

Coenzyme

c)

Cofactor

d)

Cooper

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