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WS 1 Digestive System

Total questions: 22

Worksheet time: 13mins

Name
Class
Date
1.

The names of organ a, b, c, and d are ....

a)

a=mouth, b=stomach, c =pancreas, d=small intestine

b)

a=windpipe, b=stomach, c =pancreas, d=large intestine

c)

a=esophagus, b=stomach, c =small intestine, d=large intestine

d)

a=esophagus, b=stomach, c =large intestine, d=small intestine

2.

The names of organ e, f, g are ....

a)

e=rectum, f=anus, g=liver

b)

e=anus, f=rectum, g=liver

c)

e=colon, f=anus, g=bile

d)

e=anus, f=rectum, g=bile

3.

The names of organ h, i, j are ....

a)

h=gallbladder, i=pancreas, j=appendix

b)

h=pancreas, i=liver, j=appendix

c)

h=appendix, i=intestine, j=pancreas

d)

h=gallbladder, i=liver, j=appendix

4.

The process where the food is digested with the help of enzymes and other juices is called … digestion.

a)

natural

b)

physical

c)

chemical

d)

mechanical

5.

The enzyme that is produced by the salivary glands is ….

a)

bile

b)

lipase

c)

pepsin

d)

ptyalin

6.

The squeezing movements where the food is pushed through the esophagus into the stomach are called ... motions

a)

chewing

b)

squeezing

c)

peristalsis

d)

swallowing

7.

A large organ which produced enzyme named bile and functioned to neutralize toxin is called ….

a)

liver

b)

heart

c)

pancreas

d)

gallbladder

8.

The enzyme which breaks down fat into smaller particles is ….

a)

bile

b)

renin

c)

pepsin

d)

amylase

9.

1. Anus

2. Mouth

3. Esophagus

4. Large intestine

5. Small intestine

6. Rectum

7. Stomach

The correct order of human digestive process is ....

a)

2, 3, 5, 7, 4, 1, 6

b)

2, 3, 7, 5, 4, 6, 1

c)

2, 7, 3, 5, 6, 4, 1

d)

2, 7, 5, 4, 1, 3, 6

10.

The enzyme that breaks down protein into pepton is ….

a)

bile

b)

acid

c)

pepsin

d)

ptyalin

11.

Bacteria which occur to process the decaying of undigested food in the large intestine is ….

a)

H5N1

b)

Escherichia coli

c)

Salmonella typhi

d)

Mycobacterium tuberculosis

12.

A gland below the stomach which makes amylase, trypsin, and lipase is …

a)

liver

b)

gastric

c)

salivary

d)

pancreas

13.

Pepsin, renin, and gastric acid are produced by organ number ….

a)

2

b)

3

c)

4

d)

5

14.

Bile to break down fat is produced by organ number ….

a)

4

b)

5

c)

6

d)

7

15.

Organ number 6 is functioned to absorb ….

a)

food nutrients

b)

water and minerals

c)

enzymes and other particles

d)

good bacteria coming to the stomach

16.

To absorb food nutrient is the function of organ number ….

a)

5

b)

6

c)

7

d)

8

17.

The correct pairs between the digestive organs and their enzymes are ….

a)

a – iv, b – i, c – ii

b)

a – iii, b – ii, c – i

c)

a – i, b – iv, d – iii

d)

a – ii, b – iii, d – iv

18.

The correct pairs of the digestive organs and their enzyme are shown by numbers ….

a)

1 and 2

b)

2 and 4

c)

1, 2, and 3

d)

1, 2, and 4

19.

Read the functions of the enzyme below.

- Killing germs which are swallowed with food.

- Changing characteristics of protein.

- Spreading acid to the food to be easily dissolved.

Those are the functions of … enzyme.

a)

renin

b)

pepsin

c)

amylase

d)

gastric acid

20.

The middle part of the small intestine which absorbs food nutrients is called ….

a)

colon

b)

ileum

c)

jejunum

d)

duodenum

21.

The ileum is covered by … to widen the surface area for absorption.

a)

bile

b)

villi

c)

renin

d)

lactase

22.

The differences between mechanical and chemical digestion are ….

a)

Mechanical: the process where food is digested using teeth and muscles in the stomach walls

Chemical: the process of digestion by the help of enzymes and juices

b)

Chemical: the process where food is digested using teeth and muscles in the stomach walls

Mechanical: the process of digestion by the help of enzymes and juices