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7th grade final review

Total questions: 151

Worksheet time: 2hrs 12mins

Name
Class
Date
1.

Termites are tiny insects that can cause severe damage to homes and other structures that consist of wood. Termites are an example of what type of factor.

a)

Biotic

b)

Abiotic

2.

The Sun is the source of all energy within an ecosystem. Plants depend on light from the sun in order to perform the process of photosynthesis. Sunlight is an example of what type of factor?

a)

Biotic

b)

Abiotic

3.

Air is a mixture of colorless gases. The air that makes up the Earth's atmosphere consists primarily of nitrogen and oxygen. Air is an example of which type of factor?

a)

Biotic

b)

Abiotic

4.

An angler fish has a fleshy growth on its head that gives off light. This part acts as a lure to help the angler fish catch its prey. An anglerfish is an example of which type of factor?

a)

Biotic

b)

Abiotic

5.

Is a rock considered abiotic or biotic?

a)

Abiotic

b)

biotic

c)

neither

6.

What is the difference between the biotic and abiotic factors?

a)

Biotic factors are living things and abiotic factors are nonliving things.

b)

Biotic factors are nonliving things and abiotic factors are living things.

7.

A process by which a population becomes better suited to its environment by increasing the frequency of alleles that provide benefits to survival and reproduction

a)

Adaptation

b)

Photosynthesis

c)

Matter Cycle

d)

Environmental factors

8.

Any factor, whether abiotic or biotic, that influences living organisms.

a)

Environmental factors

b)

Genetic Factors

c)

Weather Factors

d)

Facts of Life

9.

Things that result from the specific alleles carried by an individual.

a)

Genetic Factors

b)

Environmental factors

c)

Growth

d)

Allergies

10.

Process of increasing in size and maturity.

a)

Growth

b)

Organism

c)

Maturity

d)

Matter Cycle

11.

A self-contained living thing

a)

Organism

b)

Specialized

c)

Producer

d)

Consumer

12.

Asexual reproduction in organisms that produce offspring that are_____________?

a)

Diffrent from the parent plant

b)

highly charged organim

c)

identical to the parent plant

d)

not like the parent plant

13.

Which of the following is an organism's reaction to a change in it's surrondings?

a)

Response

b)

Development

c)

Distraction

d)

Stimulus

14.

A stimulus is______________________?

a)

a change in a organisms surrondings

b)

process in which organism grow larger

c)

the result of sexual reproduction

d)

a reaction in change of surrondings

15.

Which of the following responses is a plant growing toward or leaning toward light?

a)

thigmotrophism

b)

phototropism

c)

gravitropism

d)

hydrotropism

16.

Plant's roots grow down, anchoring it into the ground. To what stimulus is the plant responding?

a)

thigmotropism

b)

phototropism

c)

hydropism

d)

gravitropism

17.

What term refers to a plant growing or moving away from a stimulus?

a)

Touch

b)

Dormancy

c)

Tropism

d)

Development

18.

Which is not a characteristic that all organisms share?

a)

Need to obtain resources for energy.

b)

Responds to stimuli.

c)

Ability to reproduce.

d)

Need to dress fashionably.

19.

Through which process do plants obtian energy?

a)

Transpiration

b)

Respiration

c)

Photosynthesis

d)

Precipitation

20.

Which of the following is NOT an external stimulus?

a)

Gravity

b)

Sunlight

c)

Disease

d)

Rain

21.

Which statement correctly describes factors that affect a plants growth?

a)

Gravity and sunlight cause plant roots to grow downward and stems to grown downward.

b)

Plants roots grown downward toward gravity and stems grow upward towards light.

c)

Plants roots grown downward because there is low light and stem grows up where is is light.

d)

Plant roots grown down because of soil and Stems grow up because of sunlight.

22.

Which of the following responses is a plant growing toward or leaning toward touch?

a)

thigmotropism

b)

hydrotropism

c)

phototropism

d)

gravitropism

23.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
24.
What is the name of the simple sugar that is produced in photosynthesis?
a)
Sucrose
b)
Dextrose
c)
Glucose
d)
Lactose
25.

Which organelle is responsible making food (Glucose) using sunlight?

a)

Ribosomes

b)

Nucleus

c)

Chloroplast

d)

Mitochondria

26.

Select all that are raw materials for Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

27.

Which organelle stores water for use in photosynthesis?

a)

Chloroplast

b)

Golgi

c)

Vacuole

d)

Canteen

28.

How many products are produced during photosynthesis?

a)

1

b)

2

c)

3

d)

4

29.

How many raw materials (ingredients) does photosynthesis require?

a)

1

b)

2

c)

3

d)

4

30.

Photosynthesis is the process where:

a)

Plants turn green

b)

Plants make their own food

c)

Plants grow

d)

Plants make flowers

31.

Photosynthesis could not happen without

a)

The sun

b)

The ocean

c)

Their flowers

d)

Their stems

32.

Chlorophyll is what makes green plants...

a)

Green

b)

Blue

c)

Yellow

d)

Purple

33.

Glucose (C6H12O6) is made of...

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

All of the above

34.

6CO2 + 6H20 + light energy    -> C6H12O6 + 6O2 In this chemcial equation, the left is called the ______. 

a)

product

b)

reactant

c)

yields

d)

production

35.
What are the bubbles rising in the test tube?
a)
nitrogen gas
b)
carbon dioxide gas
c)
glucose
d)
oxygen gas
36.

What is the process (equation) for photosynthesis?

a)

6CO2 + C6H12O6 --> 6H2O + 6O2

b)

6H2O + 6CO2 --> C6H12O6 + 6O2

c)

6CO2 + C6H12O6 --> 6H2O + Energy

d)

6O2 + C6H12O6 --> 6CO2 + 6H2O

37.

What is the relationship between the plant and the duck?

a)

"A" represents carbon dioxide produced by the plant and "B" represents oxygen produced by the duck

b)

"A" represents oxygen produced by the plant and "B" represents carbon dioxide produced by the duck

c)

"A" represents the sunlight received by the plant and "B" represents the oxygen produced by the duck

38.

The carbon, from carbon dioxide, that the plants need for photosynthesis comes from

a)

molecules that the plant makes

b)

the atmosphere

c)

water

d)

the glucose molecule

39.

Plants provide energy to animals for their life processes by

a)

providing carbon dioxide.

b)

serving as a food source.

c)

receiving energy from the sun.

d)

providing shelter from weather.

40.

Darcy put three healthy plants in pots. She put them in three places. Each plant had good soil, air, and water. After three weeks, Darcy checked on the plants. Based on the results, where do you think Darcy put plant #2?

a)

in the shed

b)

under a tree

c)

on the back deck

d)

in the front yard

41.

Which form of energy is used to power photosynthesis?

a)

Thermal energy

b)

Radiant energy

c)

Chemical energy

d)

Nuclear energy

42.

Energy that comes from the Sun

a)

Chloroplast

b)

Radiant energy

c)

Chlorophyll

d)

Phytoplankton

43.

Chlorophyll

a)

Microscopic organisms that live in aquatic environments and perform photosynthesis

b)

A chemical reaction during which plants use radiant energy from the Sun to convert carbon dioxide and water into sugar (glucose)

c)

Energy that comes from the Sun

d)

The green pigment in plants responsible for absorbing light

44.

Microscopic organisms that live in aquatic environments and perform photosynthesis

a)

Phytoplankton

b)

Radiant energy

c)

Chlorophyll

d)

Photosynthesis

45.

Which of the following would cause an increase in the rate of photosynthesis occurring in a plant?

a)

An increase in the amount of available glucose

b)

An increase in the amount of available oxygen

c)

An increase in the amount of available light

d)

A decrease in the amount of available carbon monoxide

46.
Behavioral changes of individuals of a species that allow for better survival. (Acquired traits)
a)
Variation
b)
Adaptation
c)
Behavior
d)
Environment
47.
Where the better adapted organisms survive to pass traits along to offspring.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artifical Selection
48.
Predict which moth would increase in population
a)
light 
b)
dark
49.

A giraffe has a long neck in order to better reach leaves to eat. This is an example of _____.

a)

an adaptation

b)

environment

c)

response

d)

stimulus

50.
A trait is :
a)
a removal
b)
a characteristic
c)
 a change
d)
a sequence
51.
To inherit means:
a)
To receive
b)
To change
c)
To create
d)
To give
52.

part of DNA that codes for a specific trait

a)

gene

b)

chromosome

53.

The primary difference natural and artificial selection is

a)

In natural selection the “pressure” comes from the environment; In artificial selection the “pressure” comes from humans (or another species).

b)

In artificial selection the “pressure” comes from the environment; In natural selection the “pressure” comes from humans (or another species).

c)

Natural selections is when humans breed the animal; Artificial selection is when humans direct genes directly.

d)

They are different terms for the same concept.

54.

These cause variations.

a)

mutations

b)

adaptations

c)

a desire to change

d)

breeding

55.

1. The process of choosing parent organisms for desired characteristics is called

a)

natural selection

b)

Artificial selection

c)

random selection

d)

genetic manipulation

56.

What is an example of artificial selection?

a)

Letting dogs choose their own mate

b)

Letting plants pollinate on their own

c)

Crossing a labrador and a poodle to create a labradoodle

57.

Which statement is true comparing natural selection and artificial selection?

a)

In natural selection, traits benefit humans and in artificial selection, the traits benefit the species

b)

In natural selection, traits benefit the species and in artificial selection, the traits benefit humans

c)

In natural and artificial selection, the process takes hundreds of years to occur

d)

In natural and artificial selection, nature determines what traits will be passed down to offspring.

58.

The change that occurs over long periods of time in the characteristics and diversity of organisms

a)

natural selection

b)

artificial selection

c)

evolution

d)

acquired characteristics

59.

A rod-shaped or circular structure within a cell that is composed of DNA and proteins

a)

Genotype

b)

Mutation

c)

Chromosome

d)

Nucleus

60.

A variety of organism created by artificial selection

a)

breed

b)

fitness

c)

phenotype

d)

mutation

61.

evolution

a)

selection by humans of animals, plants, or other organisms to breed together

b)

change in the inherited traits of a population of organisms that occurs over many generations

c)

physical appearance of an organism

d)

how well an organism can survive and reproduce in an environment.

62.

Artificial Selection is

a)

the selection by humans of animals, plants, or other organisms to breed together.

b)

Describes how well an organism can survive and reproduce in an environment

c)

a change in a gene

d)

a variety of organisms created by artificial selection

63.

A tool used to analyze the possible allele combinations of the offspring between two individuals

a)

Natural selection

b)

Genotype

c)

Phenotype

d)

Punnett square

64.

Process by which organisms with favorable traits produce more successful offspring than organisms with less-favorable traits, causing the favorable traits to become more common in the population

a)

Selective breeding

b)

Natural selection

c)

Genotype

d)

Phenotype

65.

The physical expression of a gene or set of genes; the appearance of an organism

a)

Genotype

b)

Phenotype

c)

Inherited trait

d)

Trait

66.

A trait that is beneficial to an organism and will likely be chosen by natural selection

a)

Genotype

b)

Gene

c)

Favorable trait

d)

Inherited trait

67.

Which statement is true about dominant and recessive genes?

a)

Dominant genes mask recessive genes.

b)

Recessive genes mask dominant genes.

c)

They are equal.

68.

In alleles, capital letters show:

a)

Recessive traits.

b)

Dominant traits.

69.

Phenotypes refer to:

a)

Gene combinations.

b)

Traits that show up.

70.

Study the Punnett Square. What is the probability of a dominant trait showing up?

a)

0%

b)

25%

c)

50%

d)

100%

71.

Study the Punnett Square. What is the probability of having a recessive trait?

a)

100%

b)

50%

c)

25%

d)

0%

72.

Who was Gregor Mendel?

a)

A famous physicist.

b)

The astronomer who discovered Pluto.

c)

A priest considered the Father of Genetics.

d)

A biologist who discovered viruses.

73.

What was Mendel's big discovery?

a)

Traits are Not passed on to offspring.

b)

Traits can be masked in one generation and show up in a future generation.

c)

Pea plants have flowers.

d)

Pea plants produce peas.

74.

What type of diagram to genetics use to predict genotype and phenotypes percentages of potential offspring?

a)

Venn Diagram

b)

Punnett Square

c)

Frayer Model

75.

If an individual's genotype for eye color is (Bb) what color will their eyes look if (B) is dominant and represents brown eyes and (b) is recessive and represents blue eyes?

a)

brown eyes

b)

blue eyes

76.

The process by which one or more substances change to produce one or more different substances

a)

Chemical Reaction

b)

Photosynthesis

c)

Cellular Respiration

d)

Law of Conservation of Matter

77.

The ability of a system to do work; required for changes to happen within a system

a)

Law of Conservation

b)

Photosynthesis

c)

Energy

d)

Matter

78.

The law that says matter is neither created nor destroyed in ordinary chemical or physical processes

a)

Energy

b)

Cellular Respiration

c)

Product

d)

Conservation of Matter

79.

Anything that has volume and mass

a)

Energy

b)

Matter

c)

Molecule

d)

Conservation of Matter

80.

The simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically

a)

Matter

b)

Molecule

c)

Energy

d)

Carbon

81.

A naturally occurring element of Earth; an essential building block of organic compounds

a)

Carbon

b)

Matter

c)

Energy

d)

Molecule

82.

A gas produced by plants during photosynthesis that animals use for respiration

a)

Carbon

b)

Matter

c)

Oxygen

d)

Energy

83.

A sugar composed of six carbon atoms that is the preferred energy source for most cells; produced by photosynthesis

a)

Oxygen

b)

Carbon Dioxide

c)

Water

d)

Glucose

84.

A gas that is a natural component of the atmosphere; produced by cells during cellular respiration and used by plants and other organisms for photosynthesis

a)

Carbon Dioxide

b)

Oxygen

c)

Matter

d)

Water

85.

The movement of elements or molecules through a repeated sequence of events

a)

Matter

b)

Photosynthesis

c)

Cellular Respiration

d)

Matter Cycle

86.

The process of obtaining energy from the breaking of chemical bonds in nutrients

a)

Photosynthesis

b)

Chemical reaction

c)

Cellular Respiration

d)

Matter cycle

87.

A substance that takes part in and undergoes change during a reaction

a)

Product

b)

Reactant

c)

Reaction

d)

Molecule

88.

A substance produced during a chemical reaction

a)

Product

b)

Reactant

c)

Chemical Reaction

d)

Glucose

89.

The process of obtaining energy from the breaking of chemical bonds in nutrients

a)

Photosynthesis

b)

Chemical reaction

c)

Cellular Respiration

d)

Matter cycle

90.

A substance that takes part in and undergoes change during a reaction

a)

Product

b)

Reactant

c)

Reaction

d)

Molecule

91.

A substance produced during a chemical reaction

a)

Product

b)

Reactant

c)

Chemical Reaction

d)

Glucose

92.
What is cellular respiration? 
a)
many overlapping food chains
b)
breathing
c)
the process where food is broken down to release energy
93.
What is a herbivore?
a)
an organism that can make its own food
b)
a carnivore that eats flesh of dead animals
c)
a consumer that eats only plants
d)
a plant
94.
What are the products of cellular respiration? 
a)
carbon dioxide, water and energy
b)
oxygen, sun and plants
c)
carbon dioxide, energy, oxygen
d)
water, glucose, oxygen
95.

What is a producer?

a)

organism that CANNOT make its own food

b)

organism that gets energy by eating another organism (heterotroph)

c)

an organism that CAN make its own food using photosynthesis

96.
What is a consumer?
a)
a carnivore that eats flesh of dead animals
b)
an organism that CAN make its own food (autotroph)
c)
an organism that gets energy by eating another organism (heterotroph)
97.

What is the overall purpose of photosynthesis?

a)

To use energy from the sun to produce food

b)

To use energy from the sun to produce oxygen

c)

To use energy from the sun to produce carbon dioxide

d)

To use energy from the sun to produce water

98.

What are the reactants in photosynthesis?

a)

carbon dioxide + water + light

b)

sugar + oxygen

c)

none of the above

99.

What are the products in photosynthesis?

a)

carbon dioxide + water + light

b)

sugar + oxygen

c)

none of the above

100.

How are the final products of photosynthesis related to cellular respiration?

a)

They are the starting materials for cellular respiration.

b)

They are also the final products for cellular respiration.

c)

They convert chemical energy into light energy.

d)

They convert chemical energy into light energy.

101.
Please select who performs cellular respiration: 
a)
Animals 
b)
Both animals and plants 
c)
plants 
102.
Cellular respiration is...
a)
the process by which cells break down glucose into energy. 
b)
the process by which cells break light down into energy. 
c)
the process by which cells communicate with other cells. 
103.
Cellular respiration occurs in 
a)
chloroplasts 
b)
mitochondria
c)
golgi aparatus 
d)
thylakoid 
104.

In which way are photosynthesis and cellular respiration different?

a)

Cellular respiration stores ATP, while photosynthesis releases ATP.

b)

Cellular respiration produces oxygen, while photosynthesis uses oxygen.

c)

Photosynthesis releases energy, while cellular respiration stores energy.

d)

Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.

105.
What gas is released into the air during cellular respiration?
a)
oxygen
b)
carbon dioxide
c)
water 
d)
glucose
106.
What is the name of the structure on a leaf that lets gasses flow in and out?
a)
Stomata
b)
Cell membrane
c)
chlorophyll
d)
chloroplast
107.
Cellular Respiration's goal is to
a)
make water
b)
make ATP
c)
make glucose
d)
make  oxygen
108.

O2 is the chemical formula for

a)

Oxygen

b)

Carbon Dioxide

c)

Glucose

d)

Water

109.

Where do animals get the oxygen and glucose they need for cellular respiration?

a)

Plants

b)

Mitochondria

c)

Sun

d)

other animals

110.

Which statement accurately describes an interaction between plants and animals?

a)

Animals release CO2, required for photosynthesis.

b)

Animals release O2, required for plant survival.

c)

Plants provide humans with atmospheric nitrogen.

d)

Plants provide humans with CO2 for respiration.

111.

Identify the chemical equation:

6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy

a)

Cellular Respiration

b)

Photosynthesis

112.

Identify the chemical equation: 6CO2+6H2O→C6H12O6+6O2

a)

Cellular Respiration

b)

Photosynthesis

113.

What mutation has occurred here?

T-G-A-C-C-A

T-G-A-G-C-A

a)

Substitution

b)

Deletion

c)

Insertion

d)

Frameshift

114.

DNA molecule segment is : TTACGCAAG

The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.

a)

Substitution

b)

Deletion

c)

Insertion

d)

Inversion

115.

A mutation is defined as:

a)

A change in the cell's structure

b)

Anything that changes in an embryo

c)

Any change in the physical features of a human

d)

A change in the DNA sequence

116.

What mutation has occurred here?

T-G-A-C-C-A

T-G-A-G-C-A

a)

Substitution

b)

Deletion

c)

Insertion

d)

Frameshift

117.

Identify the DELETION mutation form the following:

ATG CCA AAT

a)

ATG TCA AAT

b)

ATG CCT AAA T

c)

ATC CA AT

d)

ATG CCA AAT

118.
Are all mutations bad?
a)
Yes
b)
No
119.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
120.

What are the three types of gene mutation?

a)

Insertion, Deletion, Subsitution

b)

Aberration, Deletion, Substitution

c)

Inversion, Duplication, Insertion

d)

Insertion, Duplication, Substitution

121.

In this type of point mutation, one base pair is lost

a)

substitution

b)

insertion

c)

deletion

d)

translocation

122.

Mutations are SOMETIMES helpful to the organism.

a)

true

b)

false

123.

True or false, mutations create genetic diversity?

a)

True

b)

False

124.
_______________ is the study of how traits are passed from parents to offspring.
a)
Monohybrid
b)
Genetics
c)
Chromosome
d)
Genotype
125.

What does a GENETICIST study?

a)

corn

b)

genes

c)

microbes

d)

cell division

126.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
127.

Which are the 4 nucleotide bases?

a)

RNA, adenine, thymine, guanine

b)

uracil, adenine, guanine, thymine,

c)

adenine, thymine, cytosine guanine

d)

RNA, DNA, ribosome, protein

128.
In a DNA molecule, which of the following bases pair together?
a)
adenine and cytosine
b)
thymine and adenine
c)
thymine and guanine
d)
cytosine and thymine
129.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
130.
Genetic traits are passed from ________ to ________.
a)

parent; offspring

b)

chromosomes; traits

c)

DNA; genes

d)

offspring; parents

131.

Genetic mutations can be...

a)

beneficial, harmful, or neutral

b)

beneficial only

c)

harmful only

d)

neutral only

132.

Chromosomes are found

a)

only in muscle cells

b)

in the genes of the cell

c)

in the nucleus of the cell

d)

in the proteins of the cell

133.

An inheritable characteristic that is determined by DNA is known as a _____.

a)

DNA

b)

nucleus

c)

trait

d)

protein

134.

What is the correct sequence of structures from smallest to largest?

a)

Chromosomes, Gene, DNA, Nucleus, Cell

b)

Cell, Nucleus, Chromosomes, DNA, Genes

c)

DNA, Gene, Nucleus, Chromosome, Cell

d)

Gene, DNA, Chromosomes, Nucleus, Cell

e)

Gene Nucleus, DNA, Chromosome, Cell

135.

A cat inherits genes for fur color from which of the following?

a)

From the mother

b)

From the father

c)

From surrounding cats

d)

From both parents

e)

From neither parents

136.

Male or female: XX

a)

Male

b)

Female

137.

Male or female: XY

a)

Male

b)

Female

138.

What shape is DNA?

a)

Twisted, double helix

b)

Twisted, single helix

c)

Straight, double helix

d)

Straight, single helix

139.

Which base pairs with Cytosine?

a)

Adenine

b)

Cytosine

c)

Guanine

d)

Thymine

140.

_____ is/are the basic unit of heredity

a)

Genes

b)

DNA

c)

Proteins

d)

Chromosomes

141.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
142.

Making proteins from RNA is called?

a)

Transcription

b)

Translation

c)

Replication

143.

Cells making a copy of RNA from DNA is called?

a)

Transcription

b)

Translation

c)

Replication

144.

A process that makes copies of DNA is called

a)

Replication

b)

Transcription

c)

Translation

145.

What do genes do?

a)

Give the body chromosomes.

b)

Control the DNA.

c)

Control the production of proteins.

146.

Which organelle is the location where protein is made?

a)

Ribosome

b)

Nucleus

c)

Cytoplasm

d)

Nucleotide

147.

mRNA is created during this process

a)

Translation

b)

Transcription

c)

Replication

d)

Delivery

148.

Variants

a)

Different forms of something.

b)

A single, highly organized and structured piece of DNA.

c)

Are found in all living cells and are made up of amino acids to perform bodily functions.

d)

A characteristic of an organism; can be genetic or acquired.

149.

Are found in all living cells and are made up of amino acids to perform bodily functions.

a)

Traits

b)

Genes

c)

Proteins

d)

Variants

150.

any physical or chemical agent that can cause a mutation in DNA

a)

gene

b)

nucleotide

c)

mutation

d)

mutagen

e)

ribosome

151.

What is the function of proteins in cells

a)

To provide structure and support for cells

b)

To regulate the body's tissues and organs

c)

To work as enzymes

d)

All of the above