wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Biochemistry Practice 2nd hour Tomlinson

Total questions: 120

Worksheet time: 1hrs 8mins

Name
Class
Date
1.
What is at the center of every atom?
a)
An electron
b)
A compound
c)
A molecule
d)
A nucleus
2.
The positively charged particles of an atom are the ________.
a)
electrons
b)
protons
c)
neutrons
d)
protons & neutrons
3.
The particles with no charge in an atom are the _______.
a)
electrons
b)
neutrons
c)
protons
d)
protons and neutrons
4.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
5.

How do covalent bonds form?

a)

by sharing electrons between atoms

b)

by donating or receiving electrons

6.

Which of these is a Part of an Atom

a)

Element

b)

Electron

c)

lipids

d)

water

7.

Which of these is a Part of an Atom

a)

Elements

b)

carbohydrates

c)

neutron

d)

molecule

8.

Which of these is a Part of an Atom

a)

Carbon

b)

carbohydrates

c)

proton

d)

oil

9.

Select what makes up an Atom

a)

proton

b)

electron

c)

nucleus

d)

neutron

10.

What makes up an atom

a)

electron cloud

b)

cells

c)

proton

d)

lipids

11.

What is the smallest piece of matter

a)

Atoms

b)

cells

c)

molecules

d)

carbon

12.

True or false? Is the nucleus made of protons and neutrons

a)

True

b)

False

13.

What is the atomic number

a)

The number of cells in an organism

b)

Number of protons/number of electrons in a neutral atom

c)

number of protons+neutrons

d)

number of protons+number of electrons

14.

What are atoms made of

a)

cells

b)

fats

c)

proteins

d)

protons/Neutrons/Electrons

15.

What are 2 parts of an Atom

a)

electron cloud

b)

cell membrane

c)

molecule

d)

The nucleus

16.

These are molecules that contain carbon covalently bonded to other elements.

a)

inorganic compounds

b)

organic compounds

17.

Below are the organic compounds.


Check all that apply.

a)

carbohydrates

b)

lipids

c)

protein

d)

water

e)

nucleotides

18.
What is the mass number defined as?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
19.
What is the atomic number of this atom?
a)
1
b)
3
c)
4
d)
7
20.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

21.

Which subatomic particle has a negative charge in the atom?

a)

proton

b)

neutron

c)

electron

d)

quark

22.

How many electrons are in an atom with an atomic number of 50?

a)

5

b)

8

c)

50

d)

2

23.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
24.

What is a pure substance

a)

An organism with one type of cell

b)

A substance with only one kind of Molecule

c)

saltwater

25.

When more than one atom of the same type exist we call it an ____

a)

molecule

b)

Element

c)

carbohydrates

d)

Nucleic Acids

26.

What is an Element

a)

Neutron

b)

the matter that is composed of one type of atom

c)

Electron

d)

Protons that are chemically combained in the nucleus

27.

What is a mixture

a)

A substance wtih one type of molecule

b)

A substance where all particals are not the same

c)

Carbs+Lipids

28.

Which of these is an a example of a Homogenous Mixture

a)

Trail mix

b)

Salt water

c)

Oil and water

29.

Which of these is an example of a Hetrogenous Mixture

a)

Coffee

b)

Trail mix

c)

salt water

30.

What is the defintion of a Homogenous Mixture

a)

Individual parts of the mixture that CAN be seen

b)

Individual parts of the mixture that CANNOT be seen

c)

2 Atoms that share electrons

31.

What is the defintion of a Hetroogenous Mixture

a)

Individual parts of the mixture that CAN be seen

b)

Individual parts of the mixture that CANNOT be seen

c)

Compounds of Carbons in living things

d)

elments that share electrons

32.

Are Covalent Bonds Stable?

a)

Covalent bonds are Stable

b)

Covalent bonds arent Stable

33.

What do covalent Bonds Share

a)

Protons

b)

Electrons

c)

Nuetrons

34.

Of all the elements, ________ is the most significant to life.

a)

carbon

b)

hydrogen

c)

nitrogen

35.

What is a Covalent

Bond

a)

The atomic Number

b)

A type of bond that forms when elements share electrons

c)

A type of Atom when the Nucleus is shared between atoms

36.

What is a single covalent Bond

a)

A bond made up of two shared electrons

b)

A bond made up of more than two shared electrons

c)

A bond made up of one shared electron

37.

What is Water made of

a)

oxygen

b)

copper

c)

hydrogen

d)

tin

38.

What are Organic molecules

a)

Molecules containing 2 or more atoms of copper

b)

Molecules containing 2 or more atoms of carbon

c)

Molecules containing 2 or more atoms of tin

d)

Molecules containing 2 or more atoms pf oxygen

39.

True or False

Do most compounds found in living things have carbon

a)

True

b)

False

40.

How many valence electorns does carbon have

a)

2

b)

4

c)

6

d)

8

41.

IS water chemically combined

a)

yes

b)

no

42.

how many covalent bonds can carbon form

a)

8

b)

4

c)

1

d)

2

43.

What elements does carbon form covalent bonds with most commonly

a)

Chlorine

Hydrogen

Oxygen

Nitrogen

b)

Chlorine

Neon

Tin

c)

Lipids

CarbohydratesNitrogen

d)

Chlroine

hydrogen

copper

44.

Which of tese are Macromolecules(THey are needed by living things to stay healthy)

a)

Neon

Copper

Tin

b)

Carbohydrates

Lipids

Protiends

Nucleic Acids

c)

Cell membrane

d)

Nuclues

45.

All matter is made of____

a)

Carbon Compounds

b)

Atoms

c)

cells

d)

Bactiera

46.

How many carbon atoms do Organic molecules have

a)

2 or more carbon atoms

b)

1 or more carbon atoms

c)

3 or more carbon atoms

d)

No carbon atoms

47.

Which of these is a class of an organic macromolecules(Giant molecules)

a)

Stimuli

b)

Carbohydrates

c)

Chlorine

d)

Nitrogen

48.

Which of these is a class of an organic macromolecules(Giant molecules)

a)

galactose

b)

Protiens

c)

Hydrogen

d)

water

49.

Which of these is a class of an organic macromolecules(Giant molecules)

a)

nucleic acids

b)

carbon

c)

Nitrogen

d)

Electrons

50.

What are macromolecules

a)

None of the above

b)

monomers

c)

Polymers

d)

Cells

51.

What is a ploymer

a)

Single units of molecules

b)

A large molecule consisting of many smaller sub units bonded together

c)

A small molecule consisting of few biigger units bonded together

d)

Electrons

52.

What is a monomer

a)

A sub unit of a polymer

b)

a large molecule consisting of amny smaller sub inits bonded together

53.

How many Macro-Molecules are we learning about?

a)

1

b)

2

c)

3

d)

4

54.

What are Carbohydrates made from?

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

e)

Phosphorus

55.

What are Lipids made from?

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

e)

Phosphorus

56.

What is the monomer of a carbohydrate?

a)

monosaccharide

b)

nucleotide

c)

amino acid

d)

Glycerol "heads" and fatty acid "tails"

57.

What is the monomer of a lipid?

a)

monosaccharide

b)

nucleotide

c)

amino acid

d)

Glycerol "heads" and fatty acid "tails"

58.

What is the function of a carbohydrate?

a)

store genetic information

b)

long term energy storage

c)

short term energy storage

d)

many many many things...muscle growth, cell transport, lower activation energy...

59.

Example of a carbohydrate

a)

Sugar

b)

DNA

c)

Oils

d)

Meat

60.

Example of a lipid

a)

Glucose

b)

DNA

c)

Oils

d)

Meat

61.

Example of a nucleic acid

a)

Glucose

b)

DNA

c)

Oils

d)

Meat

62.

An example of a monomer...

a)

a single brick

b)

A brick building

63.
Provides long term energy and insulation,
a)
lipids
b)
carbohydrates
c)
nucleic acids
d)
proteins
64.
DNA and RNA are examples of...
a)
proteins
b)
nucleic acids
c)
carbohydrates
d)
lipids
65.
One type of carbohydrate is 
a)
starch 
b)
protein
c)
amino acid 
d)
monomer 
66.

Identify the macromolecule associated with this image.

a)

Protein

b)

Carbohydrate

c)

Lipid

d)

Nucleic Acid

67.

Identify the macromolecule associated with this image.

a)

Protein

b)

Carbohydrate

c)

Lipid

d)

Nucleic Acid

68.
Glycerol and fatty acids combine to form...?
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
69.
Which of the following organic compounds is the main source of energy for living things?
a)
carbohydrates
b)
lipids
c)
nucleic acids
d)
proteins
70.

What is the Formula for a carboohydrate

a)

(CH₂O)n

b)

(C₂H₁O₃)

c)

H₃AU₉FE₃

71.

Which of these is an example of a Carbohydrate

a)

DNA

b)

Starch

c)

Vegtable Oil

d)

Waxes

72.

True or False

Is the Cell wall made out of a Carbohydrates

a)

True

b)

False

73.

What is a monosacchride

a)

A monomer

b)

A polymer

c)

2 monomers

74.

What is a Disacchride

a)

A monomer

b)

2 monomers

c)

A polymer

75.

What is a Polysaccharide

a)

A monomer

b)

2 monomers

c)

many monosaccharides linked

76.

What is the formula for lactose?

a)

Glucose+Galactose

b)

Galactose+

Fructose

c)

fructose+Glucose

d)

Glucose+Lipids

77.

What is the formula for Sucorse

a)

Laactose+Glucose

b)

Glucose+Fructose

c)

Galactose+Glucose

d)

Fructose+

Galactose

78.

WHich of these is a function of a Lipid

a)

Short term energy storage

b)

Energy storage long term

c)

Hydrating

79.

Select all the functions for lipids

a)

Short term energy storage

b)

Energy storage long term

c)

Hydrating

d)

Membrane structure

e)

Shock Absorbting

80.

Select all the functins for Lipids

a)

Water Proofing

b)

Transporting Nutrients

c)

Insulation

d)

digestion

81.

Are saturated fats Solid at room Tempature

a)

YES

b)

NO

82.

Are unsaturated fats Solid at room Tempature

a)

YES

b)

NO

83.

What are saturated fats saturated with

a)

Nitrogen

b)

Hydrogen

c)

Oxygen

d)

Neon

84.

Do satured fats only Have single C-C bonds

a)

YES

b)

NO

c)

sometimes

85.

Which fat is mostly animal fats

a)

Saturated

b)

Unsaturated

86.

What are unsaturated fats common in

a)

Most plant fats

b)

Most animal fats

87.

What type of bond do unsaturated fats have with Carbon

a)

Double

b)

SIngle

c)

Triple

d)

THere are no bonds with carbon

88.

WHich of these is a function of a Lipid

a)

Short term energy storage

b)

Energy storage long term

c)

Hydrating

89.

Select all the functions for lipids

a)

Short term energy storage

b)

Energy storage long term

c)

Hydrating

d)

Membrane structure

e)

Shock Absorbting

90.

Select all the functins for Lipids

a)

Water Proofing

b)

Transporting Nutrients

c)

Insulation

d)

digestion

91.

What are saturated fats saturated with

a)

Nitrogen

b)

Hydrogen

c)

Oxygen

d)

Neon

92.

Do satured fats only Have single C-C bonds

a)

YES

b)

NO

c)

sometimes

93.

What type of bond do unsaturated fats have with Carbon

a)

Double

b)

SIngle

c)

Triple

d)

THere are no bonds with carbon

94.

What is the monomer of protien

a)

Amino Acids

b)

monosaccharide

c)

disaccharide

d)

Polysaccharide

95.

What elements are amino acids made from

a)

Carbon

Hydrogen

Oxygen

Nitrogen

b)

Neon

Carbon

Hydrogen

c)

Gold

Silver

Oxygen

d)

Carbon

Keratin

96.

What chains do amino acids form

a)

Polypeptides

b)

Polysaccharides

c)

diasachrides

d)

Enzymes

97.

Select all the functions of protien

a)

Enzymes

b)

Photosynthesis

c)

Keratin

d)

Triglycerides

98.

Select all the functions for protiens

a)

Cell Building

b)

Membrane transport

c)

cell respiration

d)

denaturation

e)

Collagen

99.

What do enzymes do

a)

build nails and hair

b)

accelerate chemical reactions

c)

cell membrane trasnport

d)

Creating connective tissue

100.

What is keratin

a)

Accelerate chemical reactions

b)

cell building

c)

protien in hair and nails

d)

building connective tissues

101.

what is collegan

a)

protien found in hari in nails

b)

Protein in connective tissue

c)

cell building

d)

membrane transport

102.

What is Hydrolysis Reaction

a)

when polymers are pulled apart water is used

b)

When polymers are put together water is lost

c)

Monomers being pulled apart

d)

Monosachrides being put together water is gain

103.

What is Dehydration Reaction

a)

when polymers are pulled apart water is used

b)

When polymers are put together water is lost

c)

Monomers being pulled apart

d)

Monosachrides being put together water is gain

104.

what happens when protiens get denaturalized

a)

proteins that are twisted adn folded into unique shape

b)

Protiens that ae unfolded and becomes distorted

c)

when enzymes acclerate chemical reacations

d)

polymers

105.

What is a functional protein

a)

proteins that are twisted and folded into unique shape

b)

Protiens that ae unfolded and becomes distorted

c)

when enzymes acclerate chemical reacations

d)

polymers

106.

What is a chemical reaction?

a)

A process that changes one set of chemicals into another set of chemicals

b)

Matter being destroyed

c)

The atomic number

d)

When the electron cloud and the nucleus switch.

107.

What speed do chemical reactions happen at

a)

Quickly

b)

Slowly

c)

Chemical reactions don't happen

108.

What is a reactant?

a)

Elements or compounds produced from a chemical reaction

b)

Elements or compounds that enter into a chemical reaction

c)

Keratin

d)

Collegan being created from keratin

109.

What is a product?

a)

Elements or compounds produced from a chemical reaction

b)

Elements or compounds that enter into a chemical reaction

c)

Keratin

d)

Collegan being created from keratin

110.

What does the arrow mean in a chemical equation

a)

It means to make/yields

b)

it means to destroy

c)

it means cell respiration

111.

What is the equation for photosynthesis

a)

6CO2 + 6H2O → C6H12O6 + 6O2.

b)

C6H12O6 + 6O2 → 6CO2 + 6H20 + energy

c)

iron + oxygen ---> rust.

d)

2HCl(aq) + Zn(s) → ZnCl 2(aq) + H 2(g)

112.

What is the equation for cellular reparation

a)

6CO2 + 6H2O → C6H12O6 + 6O2.

b)

C6H12O6 + 6O2 → 6CO2 + 6H20 + energy

c)

iron + oxygen ---> rust.

d)

2HCl(aq) + Zn(s) → ZnCl 2(aq) + H 2(g)

113.

What is the Law of Conservation of Matter

a)

Atoms can be destroyed and created but cannot be changed

b)

Atoms are not created nor destroyed but rearranged

c)

Atoms that go up must go down

d)

energy is neither created nor destroyed.

114.

What is the function of an enzyme?

a)

Dehydration Synthesis

b)

Producing disaccharides from monosaccharides

c)

Slowing down the rate of chemical reactions

d)

Catalyze chemical reactions by lowering the activation energy

115.

Which of the following lines shows the presence of an enzyme?

a)

Black

b)

Red

116.

The structure labeled E represents-

a)

Products

b)

Enzyme

c)

Substrate

d)

Reactants

117.

This is a substance that changes the rate of a chemical reaction.

a)

catalyst

b)

solute

c)

solvent

118.

IS energy needed to start a reaction?

a)

Yes

b)

No

119.

Is an enzyme a lock or a key?

a)

lock

b)

key

120.

Is a reactant a lock or a key?

a)

lock

b)

key

Similar Resources on Wayground

Barrientos-Macias FINAL 17/18

115 questions

Barrientos-Macias FINAL 17/18

quiz

Worksheet

•

9th - 11th Grade

PMA 2 Review Fall 2023

125 questions

PMA 2 Review Fall 2023

quiz

Worksheet

•

9th - 12th Grade

Ecology Unit Test Review

122 questions

Ecology Unit Test Review

quiz

Worksheet

•

6th - 9th Grade

Biology Final

122 questions

Biology Final

quiz

Worksheet

•

9th - 10th Grade

Animal Behavior REVIEW

119 questions

Animal Behavior REVIEW

quiz

Worksheet

•

9th Grade

AP Bio Unit 4: Cell Communication & Cycle Review

116 questions

AP Bio Unit 4: Cell Communication & Cycle Review

quiz

Worksheet

•

9th - 12th Grade

ÔN TẬP BÀI 1,2,3,4,5,6 _SINH 11

125 questions

ÔN TẬP BÀI 1,2,3,4,5,6 _SINH 11

quiz

Worksheet

•

10th Grade - University

Biology Fall Final Review

117 questions

Biology Fall Final Review

quiz

Worksheet

•

10th Grade