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Worksheets

Digestion

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.
What is E?
a)
pancreas
b)
gall bladder
c)
liver
d)
large intestine
2.

Which of the following converts starch into maltose?

a)

maltase

b)

lactase

c)

sucrase

d)

salivary amylase

3.

What is the outermost layer of alimentary canal?

a)

Mucosa

b)

Sub mucosa

c)

Muscularis

d)

Serosa

4.

What carries food from the pharynx to the stomach?

a)

larynx

b)

trachea

c)

esophagus

d)

bronchioles

5.

Ghee is rich in:

a)

Fats

b)

Vitamins

c)

Mineral

d)

Protein

6.

Digestive juices helps in break down of :

a)

Proteins

b)

Carbohydrate

c)

Juices

d)

Food

7.

Which of the following nutrient is needed in smaller amounts?

a)

Fats

b)

Carbohydrates

c)

Vitamins

d)

Protein

8.

What provides nourishment to the body?

a)

Vitamins

b)

Minerals

c)

Carbohydrate

d)

Nutrients

9.

What is the function of the gall bladder? *2015 Q26

a)

absorption of fat

b)

digestion of fat

c)

production of bile

d)

storage of bile

10.

Waves of contractions that move food one way through the digestive system are called

a)

Impulse

b)

Peristalsis

c)

Action Potential

d)

Metabolism

11.

Protein digestion takes place

a)

in the mouth

b)

in the stomach

c)

in the stomach and duodenum

d)

all of the above

12.

Amylase is secreted by

a)

salivary glands only

b)

pancreatic glands only

c)

Salivary and pancreatic glands

d)

liver and small intestine

13.

Which structure(s) will produce the enzyme(s) needed for the digestion of egg white?

a)

X only

b)

X and Y only

c)

Y and Z only

d)

X, Y and Z

14.

Peristalsis occurs in

a)

1, 2 and 3 only

b)

1, 2 and 4 only

c)

1, 3 and 4 only

d)

2, 3 and 4 only

15.

Chemical digestion of carbohydrate occurs in

a)

1 and 2 only

b)

1 and 4 only

c)

2 and 3 only

d)

3 and 4 only

16.

The liver is said to be a digestive gland because it

a)

converts stored glycogen into glucose

b)

breaks down excess amino acids

c)

produces bile

d)

stores iron

17.

In the alimentary canal, bacteria in food are mainly killed by

a)

saliva

b)

mucus

c)

gastric juice

d)

pancreatic juice

18.

In the alimentary canal, most water is absorbed in the

a)

oesophagus

b)

stomach

c)

small intestine

d)

colon

19.

The stomach wall produces mucus to cover its surface. Which of the following statements correctly describe(s) the function of the mucus?

(1) It kills the bacteria in the ingested food.

(2) It prevents the rubbing of food against the stomach wall.

(3) It protects the stomach wall from the action of the digestive enzymes.

a)

(1) only

b)

(3) only

c)

(1) and (2) only

d)

(2) and (3) only

20.

Bile juice helps in the digestion of fat because it contains

a)

enzymes

b)

vitamins

c)

bile salts

d)

bile pigments