Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Pg. 1-19: Digestive System Quiz

Total questions: 69

Worksheet time: 23mins

Name
Class
Date
1.

What is the primary purpose of the digestive system?

a)

To convert components of our diet into molecules that are taken up and used by cells of our body

b)

To store energy for future use

c)

To eliminate waste products from the body

d)

To regulate body temperature

2.

Which of the following is NOT a function of the molecules supplied by the digestive system?

a)

Energy

b)

Raw materials

c)

Synthesis of essential chemical compounds

d)

Regulation of blood pressure

3.

Molecules supplied by the digestive system are used for which of the following purposes?

a)

Growth, maintenance, and tissue repair

b)

Production of hormones

c)

Regulation of body temperature

d)

Blood circulation

4.

Which of the following is the primary energy source of cells and a structural material of plant cell walls?

a)

Proteins

b)

Lipids

c)

Carbohydrates

d)

Nucleic Acids

5.

What is the role of vitamins and minerals in the body?

a)

Energy storage compound

b)

Help in chemical reactions

c)

Genetic material that directs cell activity

d)

Structural components of the cell

6.

Which type of chemical is composed of sugar, phosphate, and nitrogen bases?

a)

Proteins

b)

Lipids

c)

Carbohydrates

d)

Nucleic Acids

7.

What is the function of lipids in the body?

4 lines
8.

Which of the following is composed of amino acids and serves as structural components of the cell?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

9.

Which of the following is NOT listed as an essential nutrient in the document?

a)

Proteins

b)

Carbohydrates

c)

Lipids

d)

Water

10.

What is required to understand how chemical reactions are regulated within cells?

a)

Knowledge of essential nutrients

b)

Understanding of cell structure

c)

Understanding of how chemical reactions are regulated within cells

d)

Knowledge of macronutrients

11.

Which of the following is NOT one of the three major nutrient categories mentioned?

a)

Carbohydrates

b)

Proteins

c)

Lipids

d)

Vitamins

12.

What are macronutrients?

a)

Nutrients needed in small quantities by the body

b)

Nutrients needed in large quantities by the body

c)

Nutrients that are not essential

d)

Nutrients that are only found in plants

13.

Which of the following is classified as an organic molecule?

a)

Minerals

b)

Water

c)

Carbohydrates

d)

None of the above

14.

Which of the following is an example of an inorganic molecule?

a)

Lipids

b)

Proteins

c)

Vitamins

d)

Water

15.

Which of the following is NOT an organic molecule?

a)

Nucleic acids

b)

Minerals

c)

Lipids

d)

Proteins

16.

Which of the following organic molecules is also known as fiber?

a)

Proteins

b)

Carbohydrates

c)

Vitamins

d)

Nucleic acids

17.

What are carbohydrates primarily known as?

a)

Structural components

b)

Energy nutrients

c)

Vitamins

d)

Minerals

18.

How do plants synthesize carbohydrates?

a)

Respiration

b)

Fermentation

c)

Photosynthesis

d)

Digestion

19.

Which of the following is the correct chemical equation for photosynthesis?

a)

6H₂O + 6CO₂ + light → C₆H₁₂O₆ + 6O₂

b)

6H₂O + 6O₂ + light → C₆H₁₂O₆ + 6CO₂

c)

6CO₂ + 6O₂ + light → C₆H₁₂O₆ + 6H₂O

d)

6H₂O + 6CO₂ + light → C₆H₁₂O₆ + 6H₂O

20.

Carbohydrates exist as either single sugar units or polymers of many sugar units. What is the ratio of carbon, hydrogen, and oxygen in a single sugar unit?

a)

1:1:1

b)

1:2:1

c)

2:1:2

d)

1:1:2

21.

What suffix is used to identify sugars?

a)

ase

b)

ose

c)

ine

d)

ate

22.

Which of the following is an example of a sugar identified by the suffix "-ose"?

a)

Glucose

b)

Sucrose

c)

Fructose

d)

All of the above

23.

What is the name given to a sugar unit with six carbons?

a)

Pentose

b)

Hexose

c)

Heptose

d)

Triose

24.

Compounds with more than how many carbons are often in a ring form?

a)

3

b)

4

c)

5

d)

6

25.

What are monosaccharides?

a)

Complex sugars

b)

Simplest sugars (single sugar units)

c)

Double sugar units

d)

Polysaccharides

26.

Which of the following is NOT a monosaccharide?

a)

Glucose

b)

Galactose

c)

Fructose

d)

Sucrose

27.

Which monosaccharide is found in DNA?

a)

Glyceraldehyde

b)

Ribose

c)

Deoxyribose

d)

Fructose

28.

What is the definition of isomers?

a)

Compounds with the same chemical formula but different arrangement of atoms

b)

Compounds with different chemical formulas and the same arrangement of atoms

c)

Compounds with the same chemical formula and the same arrangement of atoms

d)

Compounds with different chemical formulas and different arrangement of atoms

29.

What is the chemical formula for glucose?

a)

C6H12O6

b)

C5H10O5

c)

C6H10O5

d)

C5H12O6

30.

What is a characteristic of fructose compared to glucose?

a)

Fructose is sweeter

b)

Fructose is less sweet

c)

Fructose has a different chemical formula

d)

Fructose cannot form a ring structure

31.

What can glucose rotate between?

a)

Straight chain or ring structure

b)

Solid or liquid state

c)

Acidic or basic form

d)

Alpha or beta form only

32.

Which of the following is the correct structure for glucose?

4 lines
33.

Which of the following is the correct structure for galactose?

4 lines
34.

Which of the following is the correct structure for fructose?

4 lines
35.

Which two monosaccharides form maltose?

a)

Glucose and fructose

b)

Glucose and galactose

c)

Two glucose units

d)

Fructose and galactose

36.

What type of linkage is formed between the two glucose units in maltose?

a)

β-linkage

b)

α-linkage

c)

γ-linkage

d)

δ-linkage

37.

What are the components of sucrose?

a)

Glucose and galactose

b)

Glucose and fructose

c)

Fructose and galactose

d)

Glucose and lactose

38.

What are the components of lactose?

a)

Glucose and fructose

b)

Fructose and galactose

c)

Glucose and galactose

d)

Glucose and lactose

39.

Disaccharides are formed by a process of:

a)

Hydrolysis

b)

Dehydration synthesis

c)

Oxidation

d)

Reduction

40.

In the formation of disaccharides, what is extracted from two monosaccharide sugar molecules?

a)

Oxygen molecule

b)

Hydrogen molecule

c)

Water molecule

d)

Carbon dioxide molecule

41.

What is the opposite reaction of dehydration synthesis in the context of disaccharides?

a)

Oxidation

b)

Reduction

c)

Hydrolysis

d)

Polymerization

42.

During hydrolysis, what is used to break the bond of a disaccharide?

a)

Oxygen molecule

b)

Hydrogen molecule

c)

Water molecule

d)

Carbon dioxide molecule

43.

Which natural sugar is 4 times sweeter than sucrose?

a)

Lactose

b)

Maltose

c)

Glucose

d)

Fructose

44.

Which artificial sweetener is 600 times sweeter than sucrose?

a)

Cyclamate

b)

Aspartame

c)

Saccharine

d)

Sucralose

45.

Which compound has the same sweetness as sucrose?

a)

Lactose

b)

Maltose

c)

Glucose

d)

Fructose

46.

Which artificial sweetener is 150 times sweeter than sucrose?

a)

Cyclamate

b)

Aspartame

c)

Saccharine

d)

Sucralose

47.

Which natural sugar is slightly sweeter than sucrose?

a)

Lactose

b)

Maltose

c)

Glucose

d)

Fructose

48.

Which artificial sweetener is 30 times sweeter than sucrose?

a)

Cyclamate

b)

Aspartame

c)

Saccharine

d)

Sucralose

49.

Which natural sugar is not as sweet as sucrose?

a)

Lactose

b)

Maltose

c)

Glucose

d)

Fructose

50.

Which artificial sweetener is 450 times sweeter than sucrose?

a)

Cyclamate

b)

Aspartame

c)

Saccharine

d)

Sucralose

51.

What are polysaccharides?

a)

Proteins formed by union of many amino acids

b)

Carbohydrates formed by union of many monosaccharides subunits

c)

Lipids formed by union of many fatty acids

d)

Nucleic acids formed by union of many nucleotides

52.

Which of the following is a characteristic of starch?

a)

Many amino acid subunits

b)

A linear structure

c)

Many glucose subunits

d)

How animals store energy

53.

How do plants store energy?

a)

In the form of proteins

b)

In the form of lipids

c)

In the form of starch

d)

In the form of nucleic acids

54.

What type of structure does starch have?

a)

A linear structure

b)

A branched structure

c)

A coiled structure

d)

A globular structure

55.

What form do animals store carbohydrates in?

a)

Starch

b)

Cellulose

c)

Glycogen

d)

Glucose

56.

Where is glycogen stored in animals?

a)

Brain and heart

b)

Liver and muscles

c)

Kidneys and lungs

d)

Stomach and intestines

57.

What happens to glycogen when glucose concentration in the blood decreases?

a)

It is converted into starch

b)

It is converted into cellulose

c)

It is converted back into monosaccharide glucose units

d)

It is stored in the brain

58.

What is the primary purpose of converting glycogen back into glucose units?

a)

For storage

b)

For energy

c)

For building muscle

d)

For digestion

59.

What are plant cell walls made of?

a)

Protein

b)

Cellulose

c)

Lipids

d)

Starch

60.

What percentage of all organic carbon in the biosphere is tied up as cellulose?

a)

10%

b)

25%

c)

50%

d)

75%

61.

Why can't humans digest cellulose?

a)

It is too large to be absorbed

b)

It is a coiled structure

c)

Humans lack the enzyme to break it down

d)

It is toxic to humans

62.

What role does cellulose play in the large intestine?

a)

It provides energy

b)

It holds water and helps eliminate wastes

c)

It is absorbed into the bloodstream

d)

It causes constipation

63.

How do ruminant animals like cows digest plant cell walls?

a)

They have a special enzyme in their saliva

b)

Their first stomach houses bacteria to help digest cellulose

c)

They do not digest plant cell walls at all

d)

They use acid in their stomach to break it down

64.

What happens after a cow regurgitates its food?

a)

It swallows it whole

b)

It chews it again and then diverts it to the second stomach

c)

It spits it out

d)

It stores it in its mouth

65.

Where can hydrogen bonding occur in cellulose molecules?

a)

At the carbon atoms

b)

At the hydrogen atoms

c)

At the oxygen atoms

d)

At the nitrogen atoms

66.

What is the structure of cellulose in a plant cell wall?

a)

Individual cellulose molecules

b)

Cellulose microfibril

c)

Crystalline array of molecules in a micelle

d)

All of the above

67.

What color does the Benedict's reagent turn when exposed to heat if reducing sugars are present?

a)

Blue

b)

Green

c)

Orange to brick red

d)

Yellow

68.

What is the color change observed in the starch test when iodine is present?

a)

Blue to green

b)

Red to brown

c)

Yellow to orange

d)

Red/brown to black

69.

Which reagent is used in the Benedict's test for carbohydrates?

a)

Iodine

b)

Copper

c)

Silver

d)

Gold

Similar Resources on Wayground

Chapter 3 Pearson Environmental Science

74 questions

Chapter 3 Pearson Environmental Science

quiz

Worksheet

•

9th - 12th Grade

Aquatics Fall Final Review

70 questions

Aquatics Fall Final Review

quiz

Worksheet

•

11th - 12th Grade

APES Midterm Review

65 questions

APES Midterm Review

quiz

Worksheet

•

10th - 12th Grade

Semester 1 Review

74 questions

Semester 1 Review

quiz

Worksheet

•

9th - 12th Grade

Marine Bio Midterm Review

72 questions

Marine Bio Midterm Review

quiz

Worksheet

•

10th - 12th Grade

Hardy-Weinberg Practice - Lower Level

71 questions

Hardy-Weinberg Practice - Lower Level

quiz

Worksheet

•

9th - 12th Grade

Semester 2 - Review

70 questions

Semester 2 - Review

quiz

Worksheet

•

9th - 11th Grade

The Backrooms Mega Quiz

64 questions

The Backrooms Mega Quiz

quiz

Worksheet

•

KG - Professional Dev...