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Nutrition and Human Digestive System

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

• Pepsin

• Trypsin

• Erepsin


All these three enzymes are involved in the breakdown of

a)

fats

b)

proteins

c)

carbohydrates

d)

fibre

2.

Which of the following process do not take place in the colon of the human body?

a)

absorption of water

b)

absorption of minerals

c)

absorption of fatty acids

d)

absorption of Vitamin B

3.

Which of the following are true for bile?


I Prepares acid medium for action of enzymes.

II Neutralizes the acids in the stomach.

III Speeds up the digestion of fats.

IV Helps in proteins digestion.

a)

I and II only

b)

II and III only

c)

III and IVonly

d)

I and IV only

4.

Which of the following is not an example of assimilation?

a)

Amino acids are used to synthesize the protoplasm of cells.

b)

Excess glucose is converted to glycogen in the liver.

c)

The deamination of excess amino acids to form urea.

d)

Excess of amino acid is converted to glycogen in the liver

5.

Function of parietal cells in gastric gland is to .............

a)

secrete pepsinogen

b)

secrete hydrochloric acid

c)

secrete mucus

d)

secrete gastric juices

6.

The enzymes secreted by pancreas are pancreatic amylase, lipase and ..............................

a)

erepsin

b)

trypsin

c)

maltase

d)

sucrase

7.

Fatty acids and glycerol will be absorbed through epithelial cells into ..............

a)

lacteal

b)

blood capillaries

8.

The total amount of energy released when one gram of food is oxidised completely is called ...................

a)

energy value

b)

energy consumption

c)

energy output

d)

energy debt

9.

Which one is not true about function of liver?

a)

detoxification

b)

storage of nutrients

c)

metabolism of digested food

d)

storage of bile

10.

physical digestion involves chewing and ............

a)

enzyme reactions

b)

peristalsis

c)

decomposition process of complex molecules into simple molecules