Free Printable G12 Bio

1.

Starches are to simple sugars as proteins are to

a)

fatty acids.

b)

double bonds

c)

amino acids.

2.

Where does the process of chemical digestion begin?

a)

stomach

b)

mouth

c)

small intestine

3.

What “muscular tube” carries food between the pharynx and the stomach?

a)

small intestine

b)

esophagus

c)

epiglottis

4.

The ...................... is a pouch-like organ responsible for storing bile

a)

gallbladder

b)

Stomach

c)

mouth

5.

A mixture of enzymes and partially digested food known as is produced in the stomach.

a)

bile

b)

chyme

c)

bolus

6.

What enzyme found in saliva breaks chemical bonds in starches forming sugars?

a)

amylase

b)

pepsin

c)

chyme

7.

After complex organic molecules have been absorbed in the small intestine, what materials are left behind?

a)

protein and carbohydrates

b)

water and cellulose

c)

fats and starches

8.

Peristalsis causes food to travel through the .................. into the stomach

a)

small intestines

b)

esophagus

c)

stomach

9.

The pancreas produces......................., a base that neutralizes stomach acid so that the enzymes can be effective.

a)

sugar

b)

fats

c)

bile

10.

Name the diagram

a)

small intestine

b)

liver

c)

mouth

G12 Bio

Total questions: 10

Worksheet time: 8mins

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