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Digestion Review

Total questions: 33

Worksheet time: 17mins

Name
Class
Date
1.
The physical breakdown of food.
a)
mechanical digestion
b)
elimination
c)
chemical digestion
d)
absorption
2.
Breaking down food by enzymes.  
a)
mechanical digestion
b)
elimination
c)
chemical digestion
d)
absorption
3.
Nutrients diffuse into the blood vessels for transport all around the body.  Occurs in the small intestine.
a)
digestion
b)
elimination
c)
mouth
d)
absorption
4.
Carb digestion begins here.
a)
digestion
b)
elimination
c)
mouth
d)
absorption
5.
Absorption occurs here.
a)
mouth
b)
small intestine
c)
large intestine
d)
stomach
6.
This digests (breaks down) protein both MECHANICALLY (churning) and CHEMICALLY (using the enzyme pepsin).
a)
mouth
b)
small intestine
c)
large intestine
d)
stomach
7.
This produces the Gastric Juices Pepsin, Hydrocloric acid and bicarbonate
a)
mouth
b)
small intestine
c)
large intestine
d)
stomach
8.
This is the enzyme that works on protein.
a)
pepsin
b)
HCl
c)
Bicarbonate
d)
Lactase
9.
When saliva mixes with food, ...
a)
...carbohydrate digestion begins.
b)
...protein digestion begins.
c)
...fats are now completely digested.
d)
...solid wastes are ready for removal from the body.
10.
Which of the following organs is INCORRECTLY paired with its function?
a)
stomach - protein digestion
b)
large intestine - bile production
c)
small intestine - nutrient absorption
d)
pancreas - enzyme production
11.
Which stage of digestion removes water?
a)
large intestine
b)
small intestine
c)
mouth
d)
stomach
12.

_______ allow nutrients (monosaccharides and amino acids) to be absorbed by the blood and taken through the body.

a)

salivary glands

b)

small intestine

c)

villi

d)

lymph gland

13.

Involuntary muscle contractions that move food.

a)

Chemical breakdown

b)

Flexion

c)

Swallowing

d)

Peristalsis

14.

Pick the correct order of digestion

a)

Mouth,stomach,esophagus,large intestine,small intestine

b)

Mouth,esophagus,stomach,small intestine, large intestine

c)

Mouth, esophagus, stomach, large intestine, small intestine, colon

d)

Mouth, stomach, esophagus, small intestine, large intestine

15.

What chemical breaks down Fat?

a)

Water

b)

Saliva

c)

Sodium

d)

Bile

16.

Where is Bile produced?

a)

Liver

b)

Stomach

c)

Pancreas

d)

Colon

17.

Another name for the Large Intestine?

a)

Really big intestine

b)

Colon

c)

Pancreas

d)

Massive

18.

Physical breakdown of food

a)

mouth

b)

small intestine

c)

esophagus

d)

stomach

19.

The act of eating food or drinking; the first stage of food processing

a)

nutrition

b)

ingestion

c)

digestion

d)

absorption

20.
What type of macromolecule is being represented in this image? 
a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
21.
Which major macromolecule is being represented in this image? 
a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
22.
What are the building blocks of proteins?
a)
amino acid
b)
fatty acid
c)
nucleotide
d)
lipid
23.
Glycerol and fatty acids combine to form...?
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
24.
I am responsible for long term energy storage in mammals.
a)
Protein
b)
Lipid
c)
Carbohydrate
d)
Nucleic Acid
25.
Glycerol and fatty acids are the monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
26.
Monosaccharides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
27.

What is the digestive system?

a)

A system to take out the bad stuff that's in your body

b)

A system where a certain group of organs work together to convert food into energy to feed the body

c)

A system where certain organs in the body digest the food you eat

d)

A system that the organs in the stomach make food for the body to digest.

28.

Hydrochloric acid is secreted in the _______________ .

a)

oesophagus

b)

stomach

c)

large intestine

d)

small intestine

29.
True/False: Most chemical digestion occurs in the small intestine
a)
True
b)
False
30.

When you swallow, a flap of tissue called the ___________ prevents food from entering your windpipe.

a)

esophagus

b)

epiglottis

c)

pancreas

d)

bile

31.

What substance coats and protects the inside of the stomach?

a)

saliva

b)

pepsin

c)

mucus

d)

bile

32.

In the stomach, the food is mixed with _____________.

a)

saliva

b)

water

c)

blood

d)

gastric juices

33.

A __________is a sore or lesion that forms in the mucosal lining of the stomach

a)

rugae

b)

gastric ulcer

c)

esophogeal ulcer

d)

chrones disease

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