wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Chemistry of Life Review Quiz

Total questions: 87

Worksheet time: 44mins

Name
Class
Date
1.

The elements or compounds that enter into a

chemical reaction are called:


a)

products

b)

active sites

c)

catalysts

d)

reactants

2.

Chemical bonds that involve the total transfer of

electrons from one atom or group of atoms to

another are called:


a)

covalent bonds

b)

ionic bonds

c)

hydrogen bonds

d)

van der Waals bonds

3.

Which of the following is NOT an organic

molecule found in living organisms?


a)

protein

b)

nucleic acid

c)

sodium chloride

d)

lipid

4.

Which combination of particle and charge is

correct?

a)

proton: positively charged

b)

electron: positively charged

c)

neutron: negatively charged

d)

electron: no charge

5.

In which of the following ways do isotopes of the

same element differ?

a)

In the number of neutrons only

b)

in the number of protons only

c)

in numbers of neutrons and protons

d)

in number of neutrons and in mass

6.

Which of the following molecules is made up of

glycerol and fatty acids?

a)

sugars

b)

starches

c)

lipids

d)

nucleic acids

7.

Nucleotides consist of a phosphate group, a nitrogenous base, and a

a)

fatty acid

b)

lipid

c)

5-carbon sugar

d)

6-carbon sugar

8.

Based on the graph, what can you conclude about the relationship between enzyme concentration and reaction rate?

a)

Reaction rate decreases with increasing enzyme concentration

b)

Reaction rate increases with decreasing enzyme concentration

c)

Reaction rate increases with increasing enzyme concentration

d)

The variables are indirectly proportional

9.

Which concentration of catalase will produce the fastest reaction rate?

a)

5%

b)

10%

c)

15%

d)

20%

10.

True or False

Matter can continuously be divided into infinitely smaller fragments

a)

True

b)

False

11.

The smallest unit of matter that maintains its unique chemical identity is known as....

a)

a cell

b)

an atom

c)

a proton

d)

an electron

12.

True or False:


All carbon atoms contain 6 protons.

a)

true

b)

false

13.

True or False:


The physical and chemical properties of a compound are usually very different from those of the elements from which it is formed

a)

True

b)

False

14.

A neutral sodium atom with an atomic number of 11 (p=11, e- = 11) forms an ionic bond with another element. How many electrons does it now have?

a)

11

b)

12

c)

10

d)

9

15.

This type of bonding takes place when elements share electrons in a bond:

a)

convalent

b)

ionic

c)

van der waals

d)

hydrogen

16.

A potassium atom easily loses its one valence electron. What type of bond will it form with a chlorine atom?

a)

covalent bond

b)

ionic bond

c)

hydrogen bond

d)

van der waals attractive forces

17.

A molecule in which the charges are unevenly distributed is said to be:

a)

nonpolar

b)

polar

c)

covalent

d)

molecular

18.

The attraction between a hydrogen atom on one water molecule and the oxygen atom on another is known as a

a)

covalent bond

b)

hydrogen bond

c)

ionic bond

d)

van der waals attractive forces

19.

Because a single water molecule may be involved in as many as four hydrogen bonds at the same time, water is extremely.....

a)

adhesive

b)

cohesive

c)

nonpolar

d)

molecular

20.

The attraction between water molecules and glass molecules is an example of which property of matter?

a)

ionic bonding

b)

cohesion

c)

adhesion

d)

covalent bonding

21.

solution = solute + ___________

a)

solving

b)

mixture

c)

homogeneous

d)

solvent

22.

You decide to sweeten your coffee by adding some sugar to it. Which substance is the solute?

a)

the coffee

b)

the sugar

c)

the mixing device

d)

the water molecules in the coffee

23.

Because of water's polarity, what types of things can it most readily dissolve?

a)

non-polar substances

b)

ionic compounds

c)

lipids

d)

gasoline

24.

What makes carbon such a special atom?

a)

it is the basis for inorganic chemistry

b)

it has 4 valence electrons and can thus form 4 bonds with other atoms

c)

it forms the backbone of DNA

d)

it tends to form ionic bonds

25.

Carbon-carbon bonds can be:

a)

single only

b)

single and double

c)

single, double and triple

d)

double only

26.

How many bonds are there between the two carbon atoms in acetylene?

a)

1

b)

2

c)

3

d)

5

27.

Most macromolecules are formed by a process known

as polymerization in which large compounds are built by joining smaller ones together. The smaller units, or _____________, join together to form _______________.

a)

polymers / monomers

b)

monomers / polymers

28.

Carbohydrates are composed of

a)

C, H, N

b)

C and H only

c)

C, H, O

d)

C, P, H

29.

Simple sugars (like glucose) are:

a)

monosaccharides

b)

disaccharides

30.

These molecules mainly consist of carbon and hydrogen and are not soluble in water:

a)

carbohydrates

b)

lipids

c)

nucleic acids

d)

proteins

31.

Lipids are formed when:

a)

glucose + glycogen

b)

glucose + glycerol

c)

glycerol + fatty acids

d)

nucleic acids + proteins

32.

If all fatty acid carbon-carbon bonds are single it is categorized as:

a)

saturated

b)

unsaturated

c)

polyunsaturated

33.

If fatty acid carbon-carbon bonds contain one double bond, it is categorized as:

a)

saturated

b)

polyunsaturated

c)

unsaturated

34.

This lipid molecule is

a)

saturated

b)

unsaturated

35.

Polymers that are arranged from monomers known as ___________ are ___________.

a)

nucleotides / nucleic acids

b)

glucose / nucleic acids

c)

nitrogenous bases / nucleic acids

d)

glycerol / nucleic acids

36.

Nucleotides contain all of the following EXCEPT:

a)

nitrogenous base

b)

phosphate group

c)

6-carbon sugar

d)

5-carbon sugar

37.

The primary job of nucleic acid is to:

a)

store energy

b)

breakdown fatty acids

c)

store and transmit genetic information

d)

create carbohydrates

38.

A molecule of ________ is released when a peptide bond is formed:

a)

carbon dioxide

b)

water

c)

carbon monoxide

d)

ammonia

39.

covalent bonds called ___________ bonds are what link amino acids together

a)

hydrogen

b)

ionic

c)

peptide

d)

polypeptide

40.

What class of macromolecule does the compound belong to?

a)

complex carbohydrate (polysaccharide)

b)

lipid

c)

protein

d)

monosaccharide

41.

A process that changes, or transforms, one set of chemicals into another is known as a(n):

a)

polypeptide bond

b)

chemical reaction

c)

element

d)

covalent bond

42.

Reactants yield

a)

more reactants

b)

products

c)

atoms

d)

energy

43.

The energy that is needed to get a reaction started

a)

law of conservation of energy

b)

active site

c)

activation energy

d)

exothermic reaction site

44.

Which type of reaction is shown here:

a)

energy-absorbing

b)

energy-releasing

45.

Which type of reaction is shown here:

a)

energy-absorbing

b)

energy-releasing

46.

A substance that speeds up the rate of a chemical reaction

a)

complex carbohydrate

b)

glycerol + fatty acids

c)

catalyst

d)

reactant

47.

Special proteins that speed up chemical reactions that take place in cells are called:

a)

polypeptides

b)

amino acids

c)

enzymes

d)

catalytic converters

48.

The reactants of enzyme-catalyzed reactions are known as:

a)

enzy-reactants

b)

products

c)

enzymes

d)

substrates

49.

True or False:


Temperature, pH, and regulatory molecules can affect the activity of enzymes

a)

True

b)

False

50.

True or False:


The active site and the substrates have complementary shapes and thus, enzymes do very specific jobs.

a)

True

b)

False

51.

Chemical bonds that involve the total transfer of

electrons from one atom or group of atoms to

another are called:


a)

covalent bonds

b)

ionic bonds

c)

hydrogen bonds

d)

van der Waals bonds

52.

Which of the following is NOT an organic

molecule found in living organisms?


a)

protein

b)

nucleic acid

c)

sodium chloride

d)

lipid

53.

Which combination of particle and charge is

correct?

a)

proton: positively charged

b)

electron: positively charged

c)

neutron: negatively charged

d)

electron: no charge

54.

In which of the following ways do isotopes of the

same element differ?

a)

In the number of neutrons only

b)

in the number of protons only

c)

in numbers of neutrons and protons

d)

in number of neutrons and in mass

55.

Which of the following molecules is made up of

glycerol and fatty acids?

a)

sugars

b)

starches

c)

lipids

d)

nucleic acids

56.

Nucleotides consist of a phosphate group, a nitrogenous base, and a

a)

fatty acid

b)

lipid

c)

5-carbon sugar

d)

6-carbon sugar

57.

True or False

Matter can continuously be divided into infinitely smaller fragments

a)

True

b)

False

58.

The smallest unit of matter that maintains its unique chemical identity is known as....

a)

a cell

b)

an atom

c)

a proton

d)

an electron

59.

True or False:


All carbon atoms contain 6 protons.

a)

true

b)

false

60.

True or False:


The physical and chemical properties of a compound are usually very different from those of the elements from which it is formed

a)

True

b)

False

61.

A neutral sodium atom with an atomic number of 11 (p=11, e- = 11) forms an ionic bond with another element. How many electrons does it now have?

a)

11

b)

12

c)

10

d)

9

62.

This type of bonding takes place when elements share electrons in a bond:

a)

convalent

b)

ionic

c)

van der waals

d)

hydrogen

63.

A potassium atom easily loses its one valence electron. What type of bond will it form with a chlorine atom?

a)

covalent bond

b)

ionic bond

c)

hydrogen bond

d)

van der waals attractive forces

64.

A molecule in which the charges are unevenly distributed is said to be:

a)

nonpolar

b)

polar

c)

covalent

d)

molecular

65.

The attraction between a hydrogen atom on one water molecule and the oxygen atom on another is known as a

a)

covalent bond

b)

hydrogen bond

c)

ionic bond

d)

van der waals attractive forces

66.

Because a single water molecule may be involved in as many as four hydrogen bonds at the same time, water is extremely.....

a)

adhesive

b)

cohesive

c)

nonpolar

d)

molecular

67.

The attraction between water molecules and glass molecules is an example of which property of matter?

a)

ionic bonding

b)

cohesion

c)

adhesion

d)

covalent bonding

68.

Because of water's polarity, what types of things can it most readily dissolve?

a)

non-polar substances

b)

ionic compounds

c)

lipids

d)

gasoline

69.

What makes carbon such a special atom?

a)

it is the basis for inorganic chemistry

b)

it has 4 valence electrons and can thus form 4 bonds with other atoms

c)

it forms the backbone of DNA

d)

it tends to form ionic bonds

70.

Carbon-carbon bonds can be:

a)

single only

b)

single and double

c)

single, double and triple

d)

double only

71.

How many bonds are there between the two carbon atoms in acetylene?

a)

1

b)

2

c)

3

d)

5

72.

Most macromolecules are formed by a process known

as polymerization in which large compounds are built by joining smaller ones together. The smaller units, or _____________, join together to form _______________.

a)

polymers / monomers

b)

monomers / polymers

73.

Carbohydrates are composed of

a)

C, H, N

b)

C and H only

c)

C, H, O

d)

C, P, H

74.

Simple sugars (like glucose) are:

a)

monosaccharides

b)

disaccharides

75.

These molecules mainly consist of carbon and hydrogen and are not soluble in water:

a)

carbohydrates

b)

lipids

c)

nucleic acids

d)

proteins

76.

Lipids are formed when:

a)

glucose + glycogen

b)

glucose + glycerol

c)

glycerol + fatty acids

d)

nucleic acids + proteins

77.

If all fatty acid carbon-carbon bonds are single it is categorized as:

a)

saturated

b)

unsaturated

c)

polyunsaturated

78.

If fatty acid carbon-carbon bonds contain one double bond, it is categorized as:

a)

saturated

b)

polyunsaturated

c)

unsaturated

79.

This lipid molecule is

a)

saturated

b)

unsaturated

80.

Polymers that are arranged from monomers known as ___________ are ___________.

a)

nucleotides / nucleic acids

b)

glucose / nucleic acids

c)

nitrogenous bases / nucleic acids

d)

glycerol / nucleic acids

81.

Nucleotides contain all of the following EXCEPT:

a)

nitrogenous base

b)

phosphate group

c)

6-carbon sugar

d)

5-carbon sugar

82.

The primary job of nucleic acid is to:

a)

store energy

b)

breakdown fatty acids

c)

store and transmit genetic information

d)

create carbohydrates

83.

A molecule of ________ is released when a peptide bond is formed:

a)

carbon dioxide

b)

water

c)

carbon monoxide

d)

ammonia

84.

covalent bonds called ___________ bonds are what link amino acids together

a)

hydrogen

b)

ionic

c)

peptide

d)

polypeptide

85.

What class of macromolecule does the compound belong to?

a)

complex carbohydrate (polysaccharide)

b)

lipid

c)

protein

d)

monosaccharide

86.

True or False:


Temperature, pH, and regulatory molecules can affect the activity of enzymes

a)

True

b)

False

87.

Special proteins that speed up chemical reactions that take place in cells are called:

a)

polypeptides

b)

amino acids

c)

enzymes

d)

catalytic converters

Similar Resources on Wayground

PHSC 100 - Midterm Review

88 questions

PHSC 100 - Midterm Review

quiz

Worksheet

•

8th - 10th Grade

Environmental Science Final Review Quiz

85 questions

Environmental Science Final Review Quiz

quiz

Worksheet

•

9th - 12th Grade

Earth Science Final Review 20-21, Part 1

83 questions

Earth Science Final Review 20-21, Part 1

quiz

Worksheet

•

9th - 12th Grade

ÔN TẬP KHOA HỌC CUỐI KÌ 1

89 questions

ÔN TẬP KHOA HỌC CUỐI KÌ 1

quiz

Worksheet

•

4th Grade - University

Electron Configuration

85 questions

Electron Configuration

quiz

Worksheet

•

9th - 12th Grade

REVISION F1 (CHAPTER 1-4)

84 questions

REVISION F1 (CHAPTER 1-4)

quiz

Worksheet

•

4th - 10th Grade

Troy Biology Regents Midterm Review

86 questions

Troy Biology Regents Midterm Review

quiz

Worksheet

•

9th - 12th Grade

APES Unit 3: Populations

85 questions

APES Unit 3: Populations

quiz

Worksheet

•

9th - 12th Grade