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Exam 1 Practice

Total questions: 128

Worksheet time: 1hrs 11mins

Name
Class
Date
1.

What is the study of living things?

a)

chemistry

b)

physics

c)

biology

d)

psychology

2.

What subdiscipline studies fossils?

a)

zoology

b)

botany

c)

microbiology

d)

anatomy

e)

paleontology

3.

What subdiscipline studies plants?

a)

zoology

b)

botany

c)

microbiology

d)

anatomy

e)

paleontology

4.

What subdiscipline studies organism's structure?

a)

zoology

b)

botany

c)

microbiology

d)

anatomy

e)

paleontology

5.

What subdiscipline studies animals?

a)

zoology

b)

botany

c)

microbiology

d)

anatomy

e)

paleontology

6.

What subdiscipline studies microorganisms?

a)

zoology

b)

botany

c)

microbiology

d)

anatomy

e)

paleontology

7.

What subdiscipline studies how organisms interact with their environment?

a)

zoology

b)

ecology

c)

microbiology

d)

anatomy

e)

paleontology

8.

Which of the following are characteristics of all living things?

a)

ordered

b)

can respond to stimuli

c)

reproduce and pass on traits

d)

adapted to their environment

e)

grow and develop

9.

Which of the following are characteristics of all living things?

a)

energy processing

b)

moving from one place to another

c)

homeostasis

d)

breathing

e)

regulation

10.

Which of the following characteristics is used to describe how all living things are composed of either a cell or cells?

a)

ordered

b)

can respond to stimuli

c)

reproduce and pass on traits

d)

adapted to their environment

e)

grow and develop

11.

Which of the following characteristics is used to describe how all living things react to environmental changes?

a)

ordered

b)

can respond to stimuli

c)

reproduce and pass on traits

d)

adapted to their environment

e)

grow and develop

12.

Which of the following characteristics is used to describe how all living things are able to produce more of their own kind?

a)

ordered

b)

can respond to stimuli

c)

reproduce and pass on traits

d)

adapted to their environment

e)

grow and develop

13.

Which of the following characteristics is used to describe how all living things have features suited to the environment they live in?

a)

ordered

b)

can respond to stimuli

c)

reproduce and pass on traits

d)

adapted to their environment

e)

grow and develop

14.

Which of the following characteristics is used to describe how all living things grow according to their DNA?

a)

ordered

b)

can respond to stimuli

c)

reproduce and pass on traits

d)

adapted to their environment

e)

grow and develop

15.

Which of the following characteristics is used to describe how all living things internal environments are controled and functions are coordinated to maintain life?

a)

regulation

b)

energy processing

c)

homeostasis

d)

adapted to their environment

e)

grow and develop

16.

Which of the following characteristics is used to describe how all living things are able to maintain a "steady internal state" based on environmental changes?

a)

regulation

b)

energy processing

c)

homeostasis

d)

adapted to their environment

e)

grow and develop

17.

Which of the following characteristics is used to describe how all living things are able obtain food and convert it to energy?

a)

regulation

b)

energy processing

c)

homeostasis

d)

adapted to their environment

e)

grow and develop

18.

Viruses are living organisms.

a)

True

b)

False

19.

What is the smallest level of organization for all living things?

a)

molecule

b)

cell

c)

organelle

d)

atom

20.

What is the correct order of the levels of organization of living things from least inclusive (smallest) to most inclusive (largest)?

a)

biosphere, biome, ecosystem, community, population, organism, organ system, organ, tissue, cell, organelle, molecule, atom

b)

atom, molecule, organelle, cell, tissue, organ, organ system, organism, community, ecosystem, population, biome, biosphere

c)

atom, molecule, organelle, cell, tissue, organ, organ system, organism, population, community, ecosystem, biome, biosphere

d)

biosphere, biome, ecosystem, community, population, atom, molecule, organelle, cell, tissue, organ, organ system, organism

21.

If you are given a steak, what levels of organization are you looking at?

a)

cell

b)

organ

c)

organism

d)

tissue

22.

If you are given a steak, what levels of organization are you looking at?

a)

cell

b)

organ

c)

organism

d)

tissue

23.

If you are looking at an individual cow in a field, what levels of organization does this cow encompass?

a)

atom

b)

organ

c)

organism

d)

population

e)

organ system

24.

If you are looking at a herd of cattle and taking into account the abiotic items in the field, what level of organization are you studying?

a)

population

b)

ecosystem

c)

biome

d)

biosphere

25.

What is the branch of science that is a hierarchical system to organize and classify all living things?

(a)  

26.

Which of the following are domains?

a)

Archaea

b)

Animalia

c)

Bacteria

d)

Eukarya

27.

Domain, kingdom, phylum, class, order, family, genus, and species. This is the correct rank of classifying organisms from most inclusive to least inclusive.

a)

true

b)

false

28.

Which of the following domains contain prokaryotes?

a)

Bacteria

b)

Archaea

c)

Eukarya

d)

Plantae

29.

Which of the following are characteristic of prokaryotes?

a)

single celled

b)

multicellular

c)

no nucleus

d)

cells contain nucleus

30.

Which of the following are characteristic of eukaryotes?

a)

single celled

b)

multicellular

c)

no nucleus

d)

cells contain nucleus

31.

Which of the following domains contains eukaryotes?

a)

Bacteria

b)

Archaea

c)

Eukarya

d)

Plantae

32.

Which of the following domains contains extremeophiles?

a)

Bacteria

b)

Archaea

c)

Eukarya

d)

Plantae

33.

Which domain consists of protists, plants, animals, and fungi?

a)

Bacteria

b)

Archaea

c)

Eukarya

d)

Prekarya

34.

Generally accepted, thoroughly tested, and seen as a confirmed explanation for a set of observations

a)

theory

b)

law

c)

hypothesis

35.

Describes how elements of nature will behave under very specific conditions

a)

theory

b)

law

c)

hypothesis

36.

An explanation based on observations that can be tested

a)

theory

b)

law

c)

hypothesis

37.

Which type of reasoning is used when making specific obervations that lead to general conclusions?

a)

inductive

b)

deductive

38.

Which type of reasoning is used when making general obervations that lead to specific conclusions?

a)

inductive

b)

deductive

39.

Which type of data collection uses descriptions?

a)

qualitative

b)

quantitative

40.

Which type of data collection uses measurements?

a)

qualitative

b)

quantitative

41.

The ____________ is an experimental design with many steps that allow a hypothesis to be tested.

a)

scientific method

b)

pluto's triangle

c)

pythagorean theorem

d)

scientific theory

42.

Chemistry studies

a)

living things

b)

matter

c)

history

d)

interactions of living things with their environment

43.

Which state of matter maintains volume and shape?

a)

solid

b)

liquid

c)

gas

44.

Which state of matter maintains volume but does not have a fixed shape?

a)

solid

b)

liquid

c)

gas

45.

Which state of matter does not have a fixed shape or volume?

a)

solid

b)

liquid

c)

gas

46.

_________ elements are the most abundant elements that contribute to total body weight.

a)

primary

b)

trace

c)

principal

d)

secondary

47.

_________ elements are found in very small amounts in the body.

a)

primary

b)

trace

c)

principal

d)

secondary

48.

Atoms are made up of these positively charged particles.

a)

protons

b)

neutrons

c)

electrons

49.

Atoms are made up of these negatively charged particles.

a)

protons

b)

neutrons

c)

electrons

50.

Atoms are made up of these neutral particles.

a)

protons

b)

neutrons

c)

electrons

51.

Atoms are made up of these neutral particles.

a)

protons

b)

neutrons

c)

electrons

52.

Which subatomic particles are found in the nucleus of the atom?

a)

protons

b)

neutrons

c)

electrons

53.

Which subatomic particles are found in the cloud surrounding the atom?

a)

protons

b)

neutrons

c)

electrons

54.

When reading the periodic table the _____________ is a letter (or two) that represents the element.

a)

atomic number

b)

mass number

c)

chemical symbol

55.

When reading the periodic table the _____________ is the total number of protons and neutrons added together.

a)

atomic number

b)

mass number

c)

chemical symbol

56.

When reading the periodic table the _____________ is the number of protons.

a)

atomic number

b)

mass number

c)

chemical symbol

57.

Isotopes differ becuase they have different number of protons cuasing a change in the mass number.

a)

true

b)

false

58.

In a neutral atom of carbon, the atomic number is 6 and mass number is 12. How many protons does carbon contain?

a)

3

b)

6

c)

12

d)

18

59.

In a neutral atom of carbon, the atomic number is 6 and mass number is 12. How many electrons does carbon contain?

a)

3

b)

6

c)

12

d)

18

60.

In a neutral atom of carbon, the atomic number is 6 and mass number is 12. How many neutrons does carbon contain?

a)

3

b)

6

c)

12

d)

18

61.

A neutral atom of oxygen contains 8 protons, 8 electrons, and 8 neutrons. What is it's atomic number?

a)

4

b)

8

c)

16

d)

24

62.

A neutral atom of oxygen contains 8 protons, 8 electrons, and 8 neutrons. What is it's mass number?

a)

4

b)

8

c)

16

d)

24

63.

__________ the sum of all chemical reactions that take place in cells or organisms.

a)

mass

b)

matter

c)

metabolism

d)

bonding

64.

Which subatomic partical is involved with chemical activity?

a)

protons

b)

neutrons

c)

electrons

65.

If an atom has 8 electrons in it's valence shell then it is

a)

reactive

b)

inert

66.

If an atom does not have 8 electrons in it's valence shell then it is

a)

reactive

b)

inert

67.

Which type of chemical bond happens when there is a TRANSFER of one or more electrons from one atom to another?

a)

ionic

b)

polar covalent

c)

nonpolar covalent

d)

hydrogen

68.

When sodium transfers its electron to chlorine to make salt, it is an example of which bond?

a)

ionic

b)

polar covalent

c)

nonpolar covalent

d)

hydrogen

69.

Which type of chemical bond happens when there is equal SHARING of electrons between atoms?

a)

ionic

b)

polar covalent

c)

nonpolar covalent

d)

hydrogen

70.

Which type of chemical bond happens when there is unequal SHARING of electrons between atoms?

a)

ionic

b)

polar covalent

c)

nonpolar covalent

d)

hydrogen

71.

Which type of chemical bond happends when oxygen of one water molecule bonds with the hydrogen of another water molecule?

a)

ionic

b)

polar covalent

c)

nonpolar covalent

d)

hydrogen

72.

When bonding happends between two atoms that causes electronegativity it is?

a)

ionic

b)

polar covalent

c)

nonpolar covalent

73.

When carbon and oxygen share electrons equally to make carbon dioxide it is?

a)

ionic

b)

polar covalent

c)

nonpolar covalent

d)

hydrogen

74.

Water is polar because the oxygen is slightly ________ and the hydrogens are slightly _________.

a)

negative; negative

b)

positive; positive

c)

negative; positive

d)

positive; negative

75.

Substances that are attracted to water (water loving) are known as

a)

hydroelectric

b)

hydrophilic

c)

hydrophobic

d)

hydroloving

76.

Substances that are repeled by water (water fearing) are known as

a)

hydroelectric

b)

hydrophilic

c)

hydrophobic

d)

hydroloving

77.

Substances that have a charge or are considered polar are

a)

hydroelectric

b)

hydrophilic

c)

hydrophobic

d)

hydroloving

78.

Substances that do not have a charge or are considered non-polar are

a)

hydroelectric

b)

hydrophilic

c)

hydrophobic

d)

hydroloving

79.

Which property of water is described: Water can absorb a large amount of heat without a corresponding change in temperature?

a)

high heat capacity

b)

high heat of vaporization

c)

less dense as a solid

d)

universal solvent

80.

Which property of water is described: Water requires a large amount of heat energy to be converted from liquid to gas?

a)

high heat capacity

b)

high heat of vaporization

c)

less dense as a solid

d)

universal solvent

81.

Which property of water is described: Water floats as a solid creating an insulating layer?

a)

high heat capacity

b)

high heat of vaporization

c)

less dense as a solid

d)

universal solvent

82.

Which property of water is described: Water is polar and able to dissolve a variety of substances?

a)

high heat capacity

b)

high heat of vaporization

c)

less dense as a solid

d)

universal solvent

83.

When a substance dissolves another substance it is a _______. For example, water can dissolve sugar.

a)

solvent

b)

solute

84.

When a substance gets dissolved by another substance it is a _______. For example, sugar gets dissolved by water.

a)

solvent

b)

solute

85.

Water molecules create surface tension becuase they are able to stick to each other. This is known as

a)

ionic bonding

b)

cohesion

c)

adhesion

d)

covalent bonding

86.

Water molecules can sitck to other polar substances. This is known as

a)

ionic bonding

b)

cohesion

c)

adhesion

d)

covalent bonding

87.

The pH scale measures the concentration of ___________ ions that are in a solution.

a)

oxygen

b)

hydrogen

c)

carbon

d)

nitrogen

88.

If a solution contains more hydrogen ions than hydroxide ions it is considered a _______ solution.

a)

basic

b)

acidic

c)

neutral

89.

If a solution contains less hydrogen ions than hydroxide ions it is considered a _______ solution.

a)

basic

b)

acidic

c)

neutral

90.

If a solution contains an equal number of hydrogen ions and hydroxide ions it is considered a _______ solution.

a)

basic

b)

acidic

c)

neutral

91.

H+ stand for

a)

carbon ions

b)

hydroxide ions

c)

hydrogen ions

d)

oxygen ions

92.

OH- stand for

a)

carbon ions

b)

hydroxide ions

c)

hydrogen ions

d)

oxygen ions

93.

Carbon is a fundamental component in organic molecules becuase it

a)

can form up to 4 bonds with other atoms

b)

can form many arrangements (branched, rings, etc.)

c)

can form double or triple bonds

d)

carbon forms covalent bonds

94.

Which of the following is NOT a macromolecule?

a)

carbohydrates

b)

lipids

c)

nucleic acids

d)

proteins

e)

mineral salt

95.

Macromolecules are made from building blocks known as __________.

a)

polymers

b)

monomers

c)

biomolecules

d)

single blocks

96.

When monomers are linked together to form polymers it is through the process of removing a water molecule. This type of reaction is known as?

a)

ionic

b)

dehydration synthesis

c)

hydrolysis

d)

hydrogen

97.

When polymers are broken apart into monomers by the addition of a water molecule. This type of reaction is known as?

a)

ionic

b)

dehydration synthesis

c)

hydrolysis

d)

hydrogen

98.

Carbohydrates consist of which elements?

a)

carbon

b)

hydrogen

c)

oxygen

d)

nitrogen

e)

phosphorus

99.

Lipids consist of which elements?

a)

carbon

b)

hydrogen

c)

oxygen

d)

nitrogen

e)

phosphorus

100.

Proteins consist of which elements?

a)

carbon

b)

hydrogen

c)

oxygen

d)

nitrogen

e)

phosphorus

101.

Nucleic acids consist of which elements?

a)

carbon

b)

hydrogen

c)

oxygen

d)

nitrogen

e)

phosphorus

102.

The monomer for carbohydrates is

a)

monosaccharides

b)

fatty acids and glycerol

c)

amino acids

d)

nucleotides

103.

The monomer for lipids is

a)

monosaccharides

b)

fatty acids and glycerol

c)

amino acids

d)

nucleotides

104.

The monomer for proteins is

a)

monosaccharides

b)

fatty acids and glycerol

c)

amino acids

d)

nucleotides

105.

The monomer for nucleic acids is

a)

monosaccharides

b)

fatty acids and glycerol

c)

amino acids

d)

nucleotides

106.

Which of the following are functions of carbohydrates?

a)

quick energy source

b)

insulation

c)

structural component of cells

d)

energy storage

107.

Which of the following are functions of lipids?

a)

building block for hormones

b)

insulation

c)

structural component of cell membranes

d)

energy storage

108.

Which of the following are functions of proteins?

a)

support for body and movement

b)

immune support

c)

enzymes that help chemical reactions

d)

energy storage

109.

Which of the following are functions of nucleic acids?

a)

energy storage and transfer

b)

immune support

c)

store genetic information

d)

protein synthesis

110.

Which of the following are examples of nucleic acids?

a)

DNA

b)

RNA

c)

ATP

d)

Ribose

111.

Which of the following are examples of proteins?

a)

hemoglobin

b)

RNA

c)

antibodies

d)

enzymes

112.

Which of the following are examples of lipids?

a)

steriods

b)

phospholipids

c)

waxes

d)

fats

113.

Which of the following are examples of carbohydrates?

a)

glucose

b)

glycogen

c)

glycerol

d)

starch

e)

cellulose

114.

A saturated fat can be turned into an unsaturated fat by

a)

removing hydrogens

b)

adding hydrogens

c)

removing carbons

d)

adding carbons

115.

An unsaturated fat can be turned into a saturated fat by

a)

removing hydrogens

b)

adding hydrogens

c)

removing carbons

d)

adding carbons

116.

Amino acids all have the same fundamental structure except for

a)

central carbon

b)

amino group

c)

carboxyl group

d)

hydrogen

e)

R group

117.

There are only 20 amino acids that exist, but there are thousands of types of proteins because of the changes in the sequence of amino acids.

a)

true

b)

false

118.

Protein structure is critical to its function. If the structure of a protein changes it is called

(a)  

119.

Which of the following can denature proteins?

a)

changes in temperature

b)

changes in pH

c)

changes in salt concentration

d)

stable conditions

120.

Which level of protein structure consists of a sequence of amino acids linked together by peptide bonds in a polypeptide chain?

a)

primary

b)

secondary

c)

tertiary

d)

quaternary

121.

Which level of protein structure consists of alpha helices and beta pleated sheets formed by hydrogen bonding between amino acids?

a)

primary

b)

secondary

c)

tertiary

d)

quaternary

122.

Which level of protein structure consists of supercoiling because of folding between R group interactions?

a)

primary

b)

secondary

c)

tertiary

d)

quaternary

123.

Which level of protein structure consists of two or more polypeptide chains bonded together?

a)

primary

b)

secondary

c)

tertiary

d)

quaternary

124.

Enzymes that breakdown substrates are known as _________.

a)

catabolic

b)

anabolic

125.

Enzymes that build complex molecules are known as _________.

a)

catabolic

b)

anabolic

126.

Enzymes can breakdown many types of substrates.

a)

true

b)

false

127.

Enzymes can be reused after interacting with substrates.

a)

true

b)

false

128.

Enzymes function by ___________ the acitivation energy of a reaction.

a)

lowering

b)

raising

c)

stoping