Quiz about Biology Pre Test 2025

Question 1

Complete the following sentence:

The factor in an experiment that is changed by the experimenter is the _________________.

Accepted Answer

Independent variable

Answer

Dependent variable

Answer

Constant

Answer

Control

Question 2

Complete the following sentence:

A visual display of information or data is a(n) ___________________.

Accepted Answer

Graph

Answer

Hypothesis

Answer

Observation

Answer

Theory

Question 3

Complete the following sentence:

Recognizing or noting a fact or occurrence is a(n) _____________________________.

Accepted Answer

Observation

Answer

Inference

Answer

Hypothesis

Answer

Theory

Question 4

Complete the following sentence:

A test of a hypothesis is a(n) ___________________.

Accepted Answer

Experiment

Answer

Graph

Answer

Observation

Answer

Theory

Question 5

A rule of nature that tells you what will happen under certain conditions is a(n) ____________.

Accepted Answer

Scientific law

Answer

Scientific theory

Answer

Hypothesis

Answer

Experiment

Question 6

The independent variable in an experiment may cause a change in the _______________.

Accepted Answer

Dependent variable

Answer

Control group

Answer

Constant variable

Answer

Hypothesis

Question 7

Complete the following sentence:

The amount of space occupied by an object is called the _____________________.

Accepted Answer

Volume

Answer

Mass

Answer

Density

Answer

Observation

Question 8

Complete the following sentence:

A testable prediction is a(n) ___________________.

Accepted Answer

Hypothesis

Answer

Observation

Answer

Theory

Answer

Experiment

Question 9

What type of graph is this?

Accepted Answer

Line graph

Answer

Bar graph

Answer

Pie chart

Answer

Scatter plot

Question 10

What type of graph is this?

Accepted Answer

Bar graph

Answer

Line graph

Answer

Pie chart

Answer

Scatter plot

Question 11

Living organisms in our world are connected to other __________ in a variety of ways.

Accepted Answer

organisms

Answer

planets

Answer

machines

Answer

buildings

Question 12

The branch of biology called ecology is the scientific study of interactions between organisms and their environments, including relationships between living and __________ things.

Accepted Answer

nonliving

Answer

moving

Answer

growing

Answer

breathing

Question 13

All living things on Earth can be found in the __________, the portion of Earth that supports life.

Accepted Answer

biosphere

Answer

lithosphere

Answer

atmosphere

Answer

hydrosphere

Question 14

The non-living parts of an environment are called __________.

Accepted Answer

abiotic factors

Answer

biotic factors

Answer

producers

Answer

consumers

Question 15

Use each of the terms below just once to complete the passage. For example, whales, trees, and __________ are biotic factors.

Accepted Answer

humans

Answer

rocks

Answer

water

Answer

sunlight

Question 16

Ocean currents, temperature, and __________ are abiotic factors.

Accepted Answer

soil

Answer

bacteria

Answer

fungi

Answer

insects

Question 17

A habitat is the role a species plays in a community.

Accepted Answer

False

Answer

True

Question 18

A niche is the place where an organism lives its life.

Accepted Answer

False

Answer

True

Question 19

A habitat can include only one niche.

Accepted Answer

False

Answer

True

Question 20

Which of the following are situations that can cause a population to grow?

Accepted Answer

Increased birth rate and immigration

Answer

Decreased birth rate and emigration

Answer

Increased death rate and emigration

Answer

Decreased food supply and increased predation

Question 21

Artificial selection is:

Accepted Answer

the process by which humans breed plants or animals for specific traits

Answer

the process by which organisms adapt naturally to their environment

Answer

the random change in genetic material over time

Answer

the survival of the fittest in nature without human intervention

Question 22

Artificial selection is different from natural selection because:

Accepted Answer

artificial selection is controlled by humans, while natural selection occurs naturally

Answer

both are controlled by humans

Answer

natural selection is controlled by humans, while artificial selection occurs naturally

Answer

artificial selection and natural selection are the same

Question 23

Variation means:

Accepted Answer

differences among individuals of the same species

Answer

the process of photosynthesis

Answer

the movement of water through plants

Answer

the reproduction of organisms

Question 24

One variation between the two tigers is:

Accepted Answer

Their fur patterns

Answer

Their number of legs

Answer

Their species is the same

Answer

They have the same eye color

Question 25

Another phrase for natural selection is:

Accepted Answer

Survival of the fittest

Answer

Genetic drift

Answer

Artificial selection

Answer

Mutation

Question 26

An adaptation is:

Accepted Answer

a characteristic that helps an organism survive in its environment

Answer

a type of food an animal eats

Answer

a place where an organism lives

Answer

a process of photosynthesis

Question 27

An organism gets an adaptation from:

Accepted Answer

changes over generations through natural selection

Answer

learning new behaviors during its lifetime

Answer

choosing to adapt when needed

Answer

receiving adaptations from its parents directly

Question 28

Evolution means:

Accepted Answer

The process by which species change over time

Answer

The sudden creation of new species overnight

Answer

The extinction of all living organisms

Answer

The process of photosynthesis in plants

Question 29

Which of the following lists the 4 steps to Natural selection?

Accepted Answer

Variation, Inheritance, High rate of population growth, Differential survival and reproduction

Answer

Mutation, Migration, Adaptation, Extinction

Answer

Competition, Cooperation, Mutation, Selection

Answer

Inheritance, Mutation, Adaptation, Extinction

Question 30

The fossil record is considered evidence for evolution because:

Accepted Answer

it shows changes in organisms over time.

Answer

it proves all species appeared at the same time.

Answer

it only contains fossils of current living species.

Answer

it shows that species never change.

Question 31

A vestigial structure is a body part that has lost its original function. Which of the following is an example of a vestigial structure?

Accepted Answer

The human appendix

Answer

The human heart

Answer

The human liver

Answer

The human eye

Question 32

____________________ are the building blocks of matter.

Accepted Answer

Atoms

Answer

Compounds

Answer

Elements

Answer

Molecules

Question 33

____________________ are substances that are made of only one type of ____________________. They are pure substances.

Accepted Answer

Elements, atom

Answer

Compounds, molecule

Answer

Molecules, element

Answer

Atoms, compound

Question 34

A ____________________ is a particle that is made of two or more ____________________. The ____________________s can be from the same element or more than one element.

Accepted Answer

Molecule, atoms, atoms

Answer

Atom, molecules, molecules

Answer

Compound, ions, ions

Answer

Element, protons, protons

Question 35

A ____________________ is a particle that is made of two or more atoms from at least 2 different ____________________s.

Accepted Answer

Compound, element

Answer

Element, compounds

Answer

Molecule, mixtures

Answer

Atom, molecules

Question 36

Match the Following MACROMOLECULES with their description: a. Protein b. lipid c. carbohydrate d. nucleic acid _________ 9. Made of many sugars

Accepted Answer

c. carbohydrate

Answer

a. Protein

Answer

b. lipid

Answer

d. nucleic acid

Question 37

Which type of macromolecule is made up of amino acids?

Accepted Answer

a. Protein

Answer

b. lipid

Answer

c. carbohydrate

Answer

d. nucleic acid

Question 38

What is an enzyme?

Accepted Answer

A protein that acts as a biological catalyst to speed up chemical reactions.

Answer

A type of carbohydrate that stores energy in cells.

Answer

A lipid molecule that forms cell membranes.

Answer

A nucleic acid that carries genetic information.

Question 39

What type of biochemical molecule is an enzyme?

Accepted Answer

Protein

Answer

Carbohydrate

Answer

Lipid

Answer

Nucleic acid

Question 40

What are 4 factors that can affect the rate of an enzyme catalyzed reaction?

Accepted Answer

Temperature, pH, enzyme concentration, substrate concentration.

Answer

Light intensity, humidity, wind speed, altitude.

Answer

Pressure, salinity, color, sound.

Answer

Magnetism, gravity, viscosity, taste.

Question 41

16. An enzyme works by ____________________ the activation energy of the reaction.

Accepted Answer

lowering

Answer

increasing

Answer

maintaining

Answer

ignoring

Question 42

The difference between autotrophs and heterotrophs is:

Accepted Answer

Autotrophs produce their own food, while heterotrophs obtain food from other organisms.

Answer

Autotrophs eat only plants, while heterotrophs eat only animals.

Answer

Autotrophs live in water, while heterotrophs live on land.

Answer

Autotrophs require oxygen, while heterotrophs do not.

Question 43

What is the chemical formula for glucose?

Accepted Answer

C6H12O6

Answer

C2H5OH

Answer

C12H22O11

Answer

CH4

Question 44

Identify the products and the reactants in a chemical reaction.

Accepted Answer

The reactants are on the left side and the products are on the right side of the equation.

Answer

The products are on the left side and the reactants are on the right side of the equation.

Answer

Both reactants and products are on the left side of the equation.

Answer

Both reactants and products are on the right side of the equation.

Question 45

Aerobic respiration differs from anaerobic respiration in that it:

Accepted Answer

requires oxygen, while anaerobic respiration does not

Answer

produces less energy than anaerobic respiration

Answer

occurs only in plants

Answer

produces alcohol as a byproduct

Question 46

What is fermentation?

Accepted Answer

Fermentation is an anaerobic process in which energy is released from glucose without the use of oxygen.

Answer

Fermentation is a process in which oxygen is used to break down proteins.

Answer

Fermentation is the process of converting fats into amino acids using sunlight.

Answer

Fermentation is a method of producing energy by breaking down water molecules.

Question 47

Which type of fermentation sometimes occurs in humans? In yeast?

Accepted Answer

In humans: lactic acid fermentation; In yeast: alcoholic fermentation

Answer

In humans: alcoholic fermentation; In yeast: lactic acid fermentation

Answer

In humans: acetic acid fermentation; In yeast: lactic acid fermentation

Answer

In humans: butyric acid fermentation; In yeast: propionic acid fermentation

Question 48

The difference between an autotroph and a heterotroph is:

Accepted Answer

Autotrophs produce their own food, while heterotrophs obtain food from other organisms.

Answer

Autotrophs eat only plants, while heterotrophs eat only animals.

Answer

Autotrophs require oxygen, while heterotrophs do not.

Answer

Autotrophs live in water, while heterotrophs live on land.

Question 49

Label which side is the reactants and which is the products in the balanced chemical equation for photosynthesis.

Accepted Answer

The left side is reactants, the right side is products.

Answer

The right side is reactants, the left side is products.

Answer

Both sides are reactants.

Answer

Both sides are products.

Question 50

What type of graph is represented by figure 1-1?

Accepted Answer

line graph

Answer

bar graph

Answer

circle graph

Question 51

What are line graphs used to show?

Accepted Answer

change over time

Answer

distance over time

Answer

speed over time

Answer

acceleration over time

Question 52

What type of data is - I see one horse is brown and the other is gray color.

Accepted Answer

qualitative

Answer

quantitative

Biology Pre Test 2025

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