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Digestion and absorption

Total questions: 27

Worksheet time: 15mins

Name
Class
Date
1.

In which organ does the majority of absorption of digested food molecules take place?

(a)  

2.

Absorption can be defined as the movement of digested food molecules through ______________ to _________?

a)

the wall of the small intestine into the blood

b)

The cell wall into the cytoplasm

c)

The stomach into the liver

d)

Intestines into the vili

3.

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

4.

Tiny finger-shaped structures in the small intestine in which absorption occurs

a)

rectum

b)

anus

c)

bile

d)

villi

5.

Which of these is NOT a function of the digestive system?

a)

breaks down food

b)

absorbs nutrients

c)

eliminates waste

d)

takes oxygen to body cells

6.

The process of breaking down food into nutrient rich molecules.

a)

absorption

b)

digestion

c)

peristalsis

d)

villi

7.

Amylase in saliva changes starch into...

a)

sugar

b)

waste

c)

stomach acid

d)

chyme

8.

What is the enzyme contained in the saliva?

a)

Amylase

b)

Pepsin

c)

Hydrochloride acid

d)

Lipase

9.

What is the function of the villi?

a)

To increase the absorption surface

b)

To digest the last nutrients

c)

To form feces

d)

To comb the small intestine

10.
Where nutrients go after the small intestine has absorbed them.
a)
bloodstream
b)
stomach
c)
esophagus
d)
kidneys
11.
Villi are shaped the way they are so that:
a)
they move food through the digestive tract
b)
they mash up food
c)
they increase the surface area of the small intestine for absorption of nutrients
d)
they allow us to taste food
12.

Which of the following answers correctly sequences the pathway food takes from the beginning to end?

a)

mouth, esophagus, stomach, small intestine, large intestine

b)

mouth, esophagus, stomach, large intestine, small intestine

c)

mouth, stomach, esophagus, small intestine, large intestine

d)

mouth, stomach, esophagus, large intestine, small intestine

13.

What organ is responsible for the absorption of water and movement of waste?

a)

large intestine

b)

small intestine

c)

stomach

d)

oral cavity

14.

The pancreas, liver, and gallbladder are known as...

a)

accessory organs

b)

the digestive tract

c)

acid makers

d)

digestion helpers

15.

Why do we eat?

a)

To get the nutrients we need to survive.

b)

So we can gain weight.

c)

Because we enjoy it.

d)

To get carbon dioxide and oxygen.

16.

What part of the digestive system is highlighted? (the end)

a)

Anus

b)

Rectum

c)

Colon

d)

Appendix

17.

Another word for the oesophagus

a)

alimentary canal

b)

gullet

c)

trachea

d)

larynx

18.

Which of the following is/are absorbed into the network of blood capillaries of villi?

a)

Glycerol

b)

Glucose

c)

Glycogen

d)

Sucrose

19.

Excess glucose absorbed will be converted into (choose all statements that apply)

a)

starch stored in the large intestines

b)

fat which is stored in adipose tissues under the skin.

c)

fat which is stored in adipose tissues around internal organs.

d)

protein which builds up the skeletal muscles.

20.

Egestion refers to the

a)

removal of undigested food

b)

absorption of water in the large intestine

c)

movement of food from the stomach to the large intestine

d)

elimination of enzymes in the gut

21.
Find the surface area of this figure.
a)
148 cm²
b)
120 cm²
22.

How many faces does a cuboid have?

a)

1

b)

4

c)

6

d)

8

23.

This is a 1cm cube. It's sides all measure 1cm.

What is the total surface area of this cube?

a)

1

b)

6

c)

3

d)

12

24.

Area of front = 8cm2

Area of right = 28cm2

Area of top = 14cm2

What is the total surface area?

a)

50cm2

b)

100cm2

c)

3136cm2

d)

56cm2

25.
The organ in orange represents the:
a)
Liver
b)
Lung
c)
Stomach
d)
Pancreas
26.

Which is NOT a digestive enzyme?

a)

hydrochloric acid

b)

bile

c)

amylase

d)

alcohol

27.

Undigested waste travels to the rectum where it is stored until leaving the body through the anus in a process called

a)

ingestion

b)

digestion

c)

egestion

d)

evaporation