wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Digestive System Review (Topic 6.1)

Total questions: 60

Worksheet time: 1hrs 13mins

Name
Class
Date
1.

What happens to starch in the small intestine?

a)

Endopeptidase, secreted by the liver digests starch to enable absorption by the villi

b)

Contraction of the intestinal muscles mixes starch with enzymes to accelerate its conversion into amylose

c)

Glycogen secreted by the pancreas hydrolyses starch into glucose, which is eventually transported to the liver

d)

Amylase secreted by the pancreas digests starch to enable absorption by the villi

2.

The picture shows the layers of tissues in a transverse section of the human small intestine. Which layer is labelled with the letter X?

a)

Mucosa

b)

Circular muscle

c)

Epithelium

d)

Longitudinal muscle

3.
As waste moves through the digestive system, the ______ absorbs water before storing waste in the rectum.
a)
Small intestine
b)
Stomach
c)
Esophagus
d)
Large intestine
4.

What is the correct order of digestion?

a)

Mouth - stomach - esophagus - Large intestine - Small intestine - anus - rectum

b)

Mouth - esophagus - stomach - gall bladder - small intestine - rectum - anus - large intestine

c)

Mouth - pancreas - stomach - rectum - gall bladder - small intestine - rectum - anus

d)

Mouth - esophagus - stomach - small intestine - large intestine - rectum - anus

5.

Which of these digestive system organs does your food NOT travel through?

a)

Stomach

b)

Esophagus

c)

Small Intestine

d)

Liver

6.

Identify part 3

a)

Esophagus

b)

Salivary Glands

c)

Stomach

d)

Pancreas

7.

Identify part 4

a)

Gallbladder

b)

Liver

c)

Stomach

d)

Pancreas

8.

Identify part 5

a)

Stomach

b)

Small Intestine

c)

Large intestine

d)

Rectum

9.

Identify part 6

a)

Stomach

b)

Small Intestine

c)

Large intestine

d)

Rectum

10.

Identify part 7

a)

Anus

b)

Small Intestine

c)

Large intestine

d)

Rectum

11.

Identify part 8

a)

Liver

b)

Gallbladder

c)

Appendix

d)

Pancreas

12.

Identify part 11

a)

Stomach

b)

Liver

c)

Gallbladder

d)

Pancreas

13.
Bile is made by which digestive organ?
a)
Gallbladder
b)
Stomach
c)
Rectum
d)
Liver
14.
Which type of digestion involves the physical breakdown of food into smaller pieces for example by using bile.
a)
Mechanical Digestion
b)
Chemical Digestion
15.
Which digestive organ makes digestive juices to help the small intestine absorb nutrients?
a)
Liver
b)
Gallbladder
c)
Pancreas
d)
Esophagus
16.
Bile is stored in which secondary digestive organ?
a)
Stomach
b)
Liver
c)
Gallbladder
d)
Pancreas
17.
Movement of food via involuntary muscle contractions is known as...
a)
Peristalsis
b)
Esophagus
c)
Rectum
d)
Large intestine
18.
Which organ pushes food down to the stomach via involuntary muscle contractions?
a)
Mouth
b)
Esophagus
c)
Rectum
d)
Large intestine
19.
The enzyme found in saliva and the small intestine that breaks down carbohydrates
a)
Amylase
b)
Protease
c)
Lipase
20.
The enzyme secreted by the pancreas that breaks down fats and oils
a)
Amylase
b)
Protease
c)
Lipase
21.
The enzyme secreted by the pancreas that breaks down proteins
a)
Amylase
b)
Protease
c)
Lipase
22.

Which layer of the digective tract is in direct contact with the food that is consumed?

a)

mucosa

b)

muscularis

c)

submucosa

d)

serosa or adventitia

23.

The tongue

a)

holds food in place during mastication

b)

is involved in speech

c)

assists in swallowing

d)

is a major sensory organ for taste

e)

all of the above

24.

Which of these structures function to increase the mucosal surface of the small intestine?

a)

circular folds

b)

villi

c)

microvilli

d)

all of the above

25.

Why doesn't the stomach digest itself

a)

the stomach wall isnt composed of protein, so there are no digestive enzymes to attack it

b)

the digestive enzymes in the stomach aren't strong enough

c)

the lining of the stomach is too tough to be attacked by digestive enzymes

d)

the stomach wall is protected by large amounts of mucus

26.

The function of peristaltic waves in the stomach is to

a)

move chyme into the small intestine

b)

increase the secretion of HCl

c)

empty the teniae coli

d)

all of the above

27.

Which of these would occur if a person suffered from a severe case of hepatitis that impaired liver function?

a)

Fat digestion may be hampered

b)

Bile pigments may accumulate in the blood

c)

Blood proteins may decrease in concentration

d)

b and c

e)

all of the above

28.

The breakdown products of carbohydrate digestion are

a)

monosaccharides

b)

amino acids

c)

glycerol

d)

fatty acids

29.

The enzyme responsible for the digestion of carbohydrates is produced by the

a)

salivary glands and pancreas

b)

stomach and pancreas

c)

pancreas and liver

d)

liver and small intestines

30.

Bile salts

a)

are made by the gallbladder

b)

contain breakdown products from hemoglobin

c)

emulsify fats

d)

are enzymes that digest fats

31.

Two enzymes involved in the digestion of proteins are

a)

pepsin and lipase

b)

trypsin and hydrochloric acid

c)

pancreatic amylase and bile salts

d)

pepsin and trypsin

32.

Given these processes:

1. chyle carried to bloodstream

2. emulsification of fats

3. formation of micelles

4. lipids enter lacteals

5. lipids packaged in a protein coat


Arrange the processes in the correct order as fats are digested, absorbed, and transported in the body

a)

1,2,3,4,5

b)

1,2,4,3,5

c)

2,3,4,5,1

d)

2,3,5,1,4

e)

2,3,5,4,1

33.

Movement of food via involuntary muscle contractions is known as...

a)

Peristalsis

b)

Excretion

c)

Squeezing

d)

Transpiration

34.

Lacteal carries....

a)

monosaccharides to the liver

b)

fatty acids to the lymphatic system

c)

amino acids to the bloodstream

d)

all of the above

35.

all is true about gastric juices, except (3)

a)

It is highly acidic

b)

It is highly alkaline

c)

It contains proteases

d)

It kills bacteria

36.

Which is a process occurring in the small intestine?

a)

A

b)

B

c)

C

d)

D

37.

What are functions of the stomach, small intestine and large intestine?

a)

A

b)

B

c)

C

d)

D

38.

The diagram below shows parts of the human digestive system.


Which points are linked by the small intestine?

a)

I and III

b)

II and III

c)

II and IV

d)

III and IV

39.

Which of the following parts of the digestive system secrete proteases?

a)

A

b)

B

c)

C

d)

D

40.

What is the product of digestion by amylase?

a)

glucose

b)

maltose

c)

fructose

d)

sucrose

41.

Starch is made up of two types of molecule: amylose and amylopectin.


Which row correctly shows the glycosidic bonds present in each of these molecules?

a)

A

b)

B

c)

C

d)

D

42.

Which of the following is/are true of dextrinase?


I. It converts glucose to dextrins

II. It can break alpha 1,6 glycosidic bonds

III. It is secreted by the pancreas

a)

II only

b)

I and II only

c)

II and III only

d)

I, II and III

43.

Which of the following reactions can be carried out by amylase?


I. maltose --> amylose

II. amylopectin --> dextrins

III. amylose --> glucose

a)

II only

b)

I and II only

c)

II and III only

d)

I, II and III

44.

Endopeptidase and exopeptidase enzymes digest protein faster together than either on their own.


What is the main reason for this?

a)

They have the same optimal pH

b)

Endopeptidases activate exopeptidases

c)

Endopeptidases provide more substrate for exopeptidases

d)

Their active sites have the same charge

45.

Which of the following is/are true of cellulase?


I. it is not found in humans

II. it digests cellulose to alpha glucose

III. it strengthens plant cell walls

a)

I only

b)

I and II only

c)

II and III only

d)

I, II and III

46.
A lump of food that you swallow is called a __________.
a)
bolus
b)
peristalsis
c)
alimentary canal
d)
spittal
47.
The mass of digesting food in your stomach is called...
a)
gross
b)
acid
c)
chyme
d)
feces
48.
Breaking food down with the use of enzymes is known as:
a)
Chemical Digestion
b)
Physical Digestion
49.

finger-like projections in the small intestine that absorb nutrients

a)

digestion

b)

absorption

c)

peristalsis

d)

villi

50.
A type of protein that speeds up a chemical diagestion
a)
enzyme
b)
villi
c)
alveoli
d)
capillary
51.

Which of the following is a hormone used to control glucose concentrations in the blood?

a)

insulin

b)

glycogen

c)

pancreas

d)

adrenaline

52.

Insulin causes which organ to remove glucose from the blood?

a)

liver

b)

pancreas

c)

brain

d)

kidneys

53.

Excess glucose in the bloodstream is converted to which other substance when stored in the liver and muscle cells?

a)

glycogen

b)

glucagon

c)

glycerin

d)

glycerol

54.

What happens to the amount of insulin released if the blood glucose levels get low?

a)

lots more is produced

b)

nothing - low blood glucose has no effect on insulin levels

c)

less / no insulin is produced

55.

According to the feedback loop, what does high blood sugar promote?

a)

Insulin Release

b)

Glucagon Release

c)

Insulin Uptake

d)

Glycogen Uptake

56.

What is the difference between what will happen if their is too much Glucose or too little Glucose? SELECT ALL THAT APPLY

a)

With too much Glucose, Insulin is released. With too little Glucose, Glucagon is released.

b)

With too much Glucose, the pancreas produces insulin. With too little Glucose, the pancreas produces glucagon.

c)

With too much Glucose, Glucagon is released. With too little Glucose, Insulin is released.

d)

There is no difference.

57.

Carbohydrates are broken down in the small intestine by which of the following?

a)

pancreatic amylase

b)

salivary amylase

c)

peptidase

d)

lipase

58.

The small intestine can most easily absorb which of the following

a)

disaccharides

b)

polysaccharides

c)

monosaccharides

d)

starch

e)

fiber

59.
This is the enzyme that breaks down the sugar lactose in your small intestine.
a)
pepsin
b)
HCl
c)
Bicarbonate
d)
Lactase
60.

Movement of food back and forth via involuntary muscle contractions to mix chyme to provide time for digestion is known as...

a)

Peristalsis

b)

Segmentation

c)

Squeezing

d)

Transpiration

Similar Resources on Wayground

Unit 7 Molecular Genetics Review

62 questions

Unit 7 Molecular Genetics Review

quiz

Worksheet

•

9th - 12th Grade

Fifth Six Weeks Review

65 questions

Fifth Six Weeks Review

quiz

Worksheet

•

9th - 12th Grade

Animal & Plant Science (Ag Certification Practice 2)

60 questions

Animal & Plant Science (Ag Certification Practice 2)

quiz

Worksheet

•

9th - 12th Grade

HBS: 3.3 Oxygen Quiz

56 questions

HBS: 3.3 Oxygen Quiz

quiz

Worksheet

•

KG - University

APES Unit 7 Review

55 questions

APES Unit 7 Review

quiz

Worksheet

•

9th - 12th Grade

SC Ready Phases of the Moon Review

58 questions

SC Ready Phases of the Moon Review

quiz

Worksheet

•

4th Grade - University

Solid waste Management

56 questions

Solid waste Management

quiz

Worksheet

•

KG - University

Evolution

63 questions

Evolution

quiz

Worksheet

•

9th - 12th Grade