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Digestion-chemical and mechanical

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.
Which type of digestion breaks down pieces of food into smaller molecules?
a)
mechanical
b)
chemical
2.
Of the following, which organ does food NOT pass through?
a)
pancreas
b)
mouth
3.
Which enzyme helps break down proteins in the digestive process?
a)
lipase
b)
pepsin
4.

Proteins are composed of substances called _______.

a)

lipids

b)

amino acids

c)

glucose sugars

d)

minerals

5.
Which of the following is NOT a source of protein?
a)
red meat
b)
broccoli
c)
beans
d)
eggs
6.
Amylase is an example of an ______.
a)
accessory organ
b)
enzyme
7.

Which part of the digestion process speeds up the break down of food?

a)

enzyme

b)

villi

c)

carbohydrates

d)

water

8.

What type of digestion involves the actual breaking apart of the food by our teeth, tongue, or muscles?

a)

chemical digestion

b)

diffusion

c)

mechanical digestion

d)

peristalsis

9.

chemical used to digest food

a)

chyme

b)

saliva

c)

enzyme

d)

blood

10.

The enzyme lactase will break down the sugar lactose which is found in

a)

dairy products

b)

potatoes

c)

vegetables

d)

carbohydrates

11.

peristalsis occurs in which organs?

a)

pancreas and liver

b)

oesophagus and stomach

c)

liver and small intestine

d)

gall bladder and mouth

12.
Protein digestion begins in the
a)
mouth
b)
esophagus
c)
stomach
d)
liver
13.
Pepsin is an enzyme that acts on
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
14.
Digestion is COMPLETED in the
a)
stomach
b)
liver
c)
small intestine
d)
large intestine
15.
Which enzyme below is involved in the following chemical digestion process?
STARCH---->MALTOSE
a)
Lipase
b)
Salivary amylase
c)
Pepsin
d)
Trypsin
16.
Which enzyme below is involved in the following chemical digestion process?
FATS---->FATTY ACIDS/GLYCEROL
a)
Lipase
b)
Trypsin
c)
Amylase
d)
Pepsin
17.
Where in the body would HCl be found?
a)
Mouth
b)
Esophagus
c)
Liver
d)
Stomach
18.

Proteins--------> Proteoses and peptones

a)

Pepsin

b)

Pepsinogen

c)

rennin

d)

Trypsin

19.

Lactase converts Lactose to Glucose + ____________________

a)

Fructose

b)

Glucose

c)

Galactose

d)

Maltose

20.

__________________ converts fats to emulsified fats

a)

Bile juice

b)

Pancreatic juice

c)

Gastric juice

d)

Orange juice

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