Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Digestive System and Bio-Molecule

Total questions: 72

Worksheet time: 42mins

Name
Class
Date
1.

1. The process of breaking down food into form that the body can use, we called (a)  

2.

3. The clear liquid in our mouth is (a)  

3.

4. A tube that connects the throat to the stomach, we called (a)  

4.

6. The squeezing movement of muscles are called (a)  

5.

8. The material of body that cannot digest passes into the (a)  

6.

The major functions of the digestive system are to digest food and to absorb nutrients into the __________.

a)

stomach

b)

small intestine

c)

bloodstream

d)

heart

7.

Which organ churns food and uses acid and enzymes to break down food?

a)

mouth

b)

stomach

c)

pancreas

d)

esophagus

8.

Nutrients from digested food are absorbed in which digestive organ?

a)

small intestine

b)

large intestine

c)

stomach

d)

gallbladder

9.

What does saliva do?

a)

Chemically digests food in the stomach

b)

Absorbs nutrients from food so the body has energy.

c)

Protects the stomach from digesting iteself

d)

Chemically digests food in the mouth.

10.

What are the steps of the digetive process?

a)

Digestion in the small intestine, chewing, in the stomach, absorption and waste elimination.

b)

Chewing, digestion in the stomach, waste elimination, absoption and digestion in the small intestine.

c)

Chewing, digestion in the stomach, digestion in the small intestine, absorption and waste elimination.

d)

Chewing, digestion in the small intestine, digestion in the stomach, waste elimination and absorption

11.

The large intestine's major role is to ....

a)

absorb water from the undigested food

b)

break down food

c)

exhale carbon dioxide

d)

absorb nutrients from the food

12.

Sucrose works in the .... and breaks down ....

a)

lactose - small intestine

b)

sucrose - small intestine

c)

sucrose - stomach

d)

lactose - stomach

13.

Define the term 'balanced diet'.

a)

A diet containing some nutrients in the correct proportions.

b)

A diet containing all nutrients in the correct proportions.

c)

A diet containing most nutrients in the correct proportions.

d)

A diet containing none nutrients in the correct proportions.

14.

Jerry wants to build up his muscles, which food group intake he should increase ? 

a)

Carbohydrate

b)

Proteins

c)

Fats

d)

Vitamin

15.

The purpose of carbohydrates is ....

a)

to boost the immune system and fight off infection

b)

to provide a layer of insulation for protection

c)

to provide the body with energy

d)

to help us get a good night's rest

16.

Jenna doctor told her she was Anemic what nutrients is she lacking in her diet

a)

Carbohydrate

b)

Calcium

c)

Protein

d)

Iron

17.

How long is an adult’s small intestine?

a)

22 feet

b)

30 inches

c)

30 miles

d)

17 feet

18.

The digestive process starts in the...

a)

Stomach

b)

Esophagus

c)

Mouth

d)

Bathroom

19.

The liver’s role is to:

a)

Mash up food

b)

Turn water into food

c)

Help the stomach

d)

Remove harmful substances from the blood

20.

When they reach the stomach, mashed-up food particles mix with...

a)

Guava juice

b)

Gastric juices

c)

Mucus

d)

Bile

21.

Bile is made in the...

a)

Large intestine

b)

Gallbladder

c)

Liver

d)

All of the above

22.

What does the digestive system do?

a)

Breaks down and handles food

b)

Pumps blood throughout the body

c)

Helps you breathe

d)

Helps your arms and legs move

23.

Your food can spend up to this long in the small intestine:

a)

4 minutes

b)

4 months

c)

4 seconds

d)

4 hours

24.

What do you call the tube moves food from the back of your throat to the stomach?

a)

Epiglottis

b)

Esophagus

c)

Feeding tube

d)

Pharynx

25.

Which organs help with the absorption of nutrients?

a)

Pancreas, liver, and gall bladder

b)

Liver, heart, and spleen

c)

Gall bladder, kidneys, and appendix

d)

Kidneys, liver, and bladder

26.
The process by which the body breaks down food so that it can be used for energy.
a)
composition
b)
digestion
c)
deposition
d)
absorption
27.
A fluid in the mouth that helps digest food.
a)
pepsin
b)
pepsi
c)
saliva
d)
salty
28.
Provides additional enzymes(pancreatic juice) to help nutrients get absorbed by the small intestine.
a)
liver
b)
kidneys
c)
gall bladder
d)
pancreas
29.
a)
esophagus
b)
liver
c)
stomach
d)
pancreas
30.
a)
stomach
b)
pancreas
c)
large intestine
d)
small intestine
31.
The chewing and grinding of food into smaller pieces is an example of...
a)
Mechanical Digestion
b)
Chemical Digestion
32.
Gastric juices in the stomach digest food into a thick liquid.  This is...
a)
Mechanical digestion
b)
Chemical digestion
33.

Where does digestion begin?

a)

Our teeth

b)

Our stomach

c)

The esophogus

d)

Small intestines

34.
What stores bile?
a)
Colon
b)
Gall Bladder
c)
Small Intestine
35.
What is the definition for digestion?
a)
Breaking down food into smaller nutrients
b)
Getting rid of waste products
c)
Getting food into our bodies
d)
Getting nutrients into our bloodstream, so that our cells can use them
36.
The muscular tube that moves food from the mouth to the stomach?
a)
esophagus
b)
small intestine
c)
stomach
d)
mouth
37.
The organ where food doesn't pass through but it does break down fats and detoxify poisons?
a)
liver
b)
small intestine
c)
stomach
d)
large intestine
38.
Enzymes and acids are examples of 
a)
mechanical digestion
b)
chemical digestion
39.
Chewing, grinding, and churning are examples of...
a)
mechanical digestion
b)
chemical digestion
40.
What do the villi do?
a)
Digests food in the mouth.
b)
Digests food in the stomach
c)
Protects the stomach from digesting iteself
d)
Absorbs nutrients from food so the body has energy.
41.

What carries food from the pharynx to the stomach?

a)

larynx

b)

trachea

c)

esophagus

d)

bronchioles

42.

What type of digestion takes place in the stomach?

a)

mechanical

b)

chemical

c)

both mechanical and chemical

43.

Where does the process of digestion begin?

a)

mouth

b)

esophagus

c)

stomach

d)

small intestine

44.

What enzyme is found in saliva that starts digesting carbohydrates?

a)

amylase

b)

chyme

c)

pepsin

d)

bile

45.

Where does the absorption of nutrients from food take place?

a)

stomach

b)

liver

c)

small intestine

d)

large intestine

46.

What part of the digestive system mechanically and chemically breaks down food?

a)

mouth

b)

stomach

c)

both the mouth and stomach

47.

What chemically breaks down food into smaller molecules?

a)

teeth

b)

muscles of the stomach

c)

enzymes

48.

What are the rhythmic muscular contractions of your esophagus called to help food move along?

a)

swallowing

b)

peristalsis

c)

inertia contractions

d)

paralysis

49.

What does the pancreas do?

a)

produces digestive enzymes to break down proteins and fats

b)

produces sodium bicarbonate to neutralize stomach acid

c)

regulates our blood sugar levels

d)

all answers are correct

50.

What Organic molecule is a biologically functional molecule that consists of one or more polypeptides folded and coiled into a specific 3-D structure?

a)

Lipid

b)

Carbohydrate

c)

Nucleic Acid

d)

Protein

51.

What are simple sugars that serve as a building block for carbohydrates?

a)

Monosaccharides

b)

Disaccharides

c)

Polysaccharides

d)

I have no clue. I'm just selecting random answers waiting for the game to be over

52.

This is two simple sugars put together to make a complex sugar,

a)

Disaccharide

b)

Bisaccharide

c)

dos saccharide

d)

two saccaride

53.

What are three major disaccharides?

a)

Maltose, Lactose, & Sucrase

b)

Maltase, Lactose, & Sucrose

c)

Maltose, Lactose, & Sucrose

d)

Maltose, Lactase, & Sucrose

54.

What are fats composed of? In other words, what makes up their structure?

a)

Glycerol and long carbon skeletons

b)

Nitrogenous Base, 5 carbon sugar and phosphate group

c)

one or more polypeptides folded and coiled in a specific 3-D shape

d)

Glycosidic linkages and covalent bonds formed by dehydration reactions

55.

A fat that is liquid at room temperature because of the kinks in the molecule. (ex. Plant oils)

a)

Supersaturated

b)

Unsaturated

c)

Saturated

d)

I am playing games on my phone now.

56.

Lactose is made of

a)

two fructose molecules

b)

two glucose molecules

c)

one glucose molecule and one fructose molecule

d)

one glucose molecule and one galactose molecule

57.

What is the main component of the cell wall of plant cells?

a)

lignin

b)

cellulose

c)

pectin

d)

chitin

58.
The building blocks (monomers) or proteins are _______.
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
59.
Glycerol and fatty acids are the building blocks (monomers) of _____.
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
60.
Sugars, starches and chitin are examples of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
61.
What are the building blocks of carbohydrates?
a)
simple sugars (glucose)
b)
amino acids
c)
glycerol
d)
DNA
62.
What is the function of proteins?
a)
store genetic information
b)
store energy (long-term)
c)
store energy (short-term)
d)
build skin, hair, nails, muscles
63.
What is the function of carbohydrates?
a)
store genetic information
b)
store energy (long-term)
c)
store energy (short-term)
d)
build skin, hair, nails, muscles
64.
What is the function of lipids?
a)
store genetic information
b)
store energy (long-term)
c)
store energy (short-term)
d)
build skin, hair, nails, muscles
65.
The basic unit of life is a ____________.
a)
atom
b)
molecule
c)
organelle
d)
cell
66.
The 3 categories of carbohydrates are:
a)
Monosaccharide, disaccharide, polysaccharide
b)
glucose, fructose, galatose
c)
starch, cellulose, chitin
d)
There are no categories of carbohydrates
67.
What are two main functions of fats within the body?
a)
energy storage and cellular transport
b)
energy storage and insulation
c)
building blocks for DNA and hormones
d)
storing cellular information and in the cell membrane
68.
What two elements make up water?
a)
Helium and oxygen
b)
Hydrogen and oxygen
c)
helium and carbon
d)
oxygen and carbon
69.

Fats, oils, and waxes are...

a)

Lipids

b)

Carbohydrates

c)

Proteins

d)

Nucleic Acids

70.

Which of the following foods is highest in polysaccharides?

a)

broccoli

b)

potatoes

c)

cheese

d)

fish

71.

Which organic molecule is correctly paired with an end product of its digestion

a)

nucleic acid- glycerol

b)

Carbohydrate- fatty acid

c)

protein - amino acid

d)

lipid- nucleotide

72.

All carbohydrates are compounds that contain the elements

a)

iron, magnesium, and carbon

b)

oxygen, hydrogen, and nitrogen

c)

carbon, oxygen, and nitrogen

d)

carbon, hydrogen, and oxygen

Similar Resources on Wayground

Fun Science Trivia

75 questions

Fun Science Trivia

quiz

Worksheet

•

6th - 8th Grade

CPS FINAL EXAM SHOWDOWN

67 questions

CPS FINAL EXAM SHOWDOWN

quiz

Worksheet

•

5th - 12th Grade

Sorensen Waves

75 questions

Sorensen Waves

quiz

Worksheet

•

8th Grade

Space Science Review

75 questions

Space Science Review

quiz

Worksheet

•

7th - 9th Grade

Energy in Living Things

72 questions

Energy in Living Things

quiz

Worksheet

•

8th Grade

S2 Forensics Part 1

72 questions

S2 Forensics Part 1

quiz

Worksheet

•

8th Grade

WIN Time Trivia

74 questions

WIN Time Trivia

quiz

Worksheet

•

6th - 8th Grade

1st Nine Weeks Exam Review

75 questions

1st Nine Weeks Exam Review

quiz

Worksheet

•

6th - 8th Grade