wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

7th Grade End of the Year Review

Total questions: 181

Worksheet time: 2hrs 12mins

Name
Class
Date
1.

Primary succession occurs in an area that has:

a)

soil

b)

no soil

c)

some soil

d)

none of these

2.

___ are the first organisms to colonize an area and begin the process of ecological succession.

a)

foundational organisms

b)

introductory organisms

c)

primary organisms

d)

pioneer species

3.

What is the main difference between primary and secondary ecological succession?

a)

Primary begins WITHOUT soil; Secondary begins WITH soil

b)

Primary is the first state and secondary is the second stage

c)

Primary builds plant community; secondary builds animal community

d)

Primary begins WITH soil; Secondary begins WITHOUT soil

4.

What is an example of a disturbance that could bring about secondary succession?

a)

Humans cut down many trees in a small region

b)

A volcanic eruption covers a village in lava.

5.
Which is the correct order in primary succession?
a)
Rocks, Lichens & Mosses, Bushes & Shrubs, Trees
b)
Lichens & Mosses, Rocks, Trees, Bushes & Shrubs 
c)
Trees, Bushes and Shrubs, Lichens & Mosses, Lichens & Mosses
d)
Rocks, Grass, Trees, Bushes & Shrubs
6.

During a forest fire most vegetation (plants) burn. Which ecological succession will take place after a forest fire?

a)

Primary

b)

Secondary

7.
What is the order of succession shown in this figure?
a)
A, B, C, D
b)
B, A, D, C
c)
C, D, A, B
d)
D, A, B, C
8.

As ecological succession progresses, a pioneer community gradually changes into a climax community. What typically happens during this process?

a)

The number of species increases

b)

The number of species decreases

c)

The organisms in an area decrease in size

d)

The organisms in an area can no longer find food

9.

Which of the following types of organisms would be present during the pioneer community stage of ecological succession?

a)

Lichens and mosses

b)

Grasses and shrubs

c)

Small trees and wildflowers

d)

Tall trees and thick brush

Which

10.

As an ecosystem transitions from a grassland to a forest, grasses will begin to -

a)

adapt to life in the forest.

b)

be replaced by other plants.

c)

multiply to establish dominance.

d)

relocate to a nearby grassland.

11.

What are the two types of ecological succession?

a)

Primary and Secondary

b)

Environmental and Natural

c)

Habitat and Community

d)

Population and Community

12.
Natural disasters such as flooding and tornadoes are linked to ________________.
a)
primary
b)
secondary
c)
old field
d)
ecosystem
13.

What are the two types of succession ?

a)

Primary succession and secondary succession

b)

1st succession and 2nd succession

c)

3rd succession and 4th succession

14.

How does Primary Succession begin?

a)

Begins in the mountains

b)

Begins in the oceans

c)

Begins in swamps

d)

Begins in a place without any soil

15.

What are Pioneer species ?

a)

Bare rock

b)

Flooded areas

c)

the arrival of living things such lichens

d)

the arrival of sunflowers

16.

When lichens die what happens to them?

a)

They are blown away by the wind

b)

They float down the river

c)

They decompose adding small amounts of organic matter to the rock to make soil

d)

They made flowers and animals

17.

What is secondary succession ?

a)

Where there is bare rock

b)

Where there is no soil present

c)

Where soil is already present

d)

where there is a flood

18.

What succession is represented in the photo

a)

Primary Succession

b)

Secondary Succession

19.

In what order does Pond Succession move?

a)

forest >shrubs>dry land/ grasses> marsh > pond

b)

marsh> shrubs> forest> dry land/grasses> pond

c)

pond> dry land/grasses> shrubs > marsh

d)

Pond> marsh> dry land/grasses> shrubs> forest

20.

First species to begin a succession

a)

lions

b)

cats

c)

dogs

d)

pioneer species

21.

What is climax community?

a)

the final stage in a succession

b)

first species to begin a succession

22.

A physical change...

a)

changes the physical properties of an object, but does not create a new substance.

b)

creates a new substance and cannot be undone.

23.

A chemical change

a)

changes the physical properties of an object, but does not create a new substance.

b)

creates a new substance and cannot be undone.

24.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

25.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

26.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

27.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

28.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

29.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

30.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

31.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

32.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

33.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

34.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

35.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

36.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

37.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

38.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

39.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

40.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

41.

Is this an example of a physical or chemical change?

a)

physical

b)

change

42.

How do hormones travel through the body?

a)

Through the food we eat

b)

Through injects

c)

through our blood

43.

Endocrine System

a)

a chemical factory for our bodies

b)

a good sound system

c)

a system made up of 10 glands inside the body

44.

If you have diabetes, the gland that helps maintain your sugar levels in equilibrium is your

a)

gut

b)

pancreas

c)

liver

45.

What body system takes nutrients and oxygen to and carbon dioxide and waste from the cells?

a)

circulatory system

b)

nervous system

c)

digestive system

d)

respiratory system

46.

What body system breaks down food?

a)

circulatory system

b)

nervous system

c)

digestive system

d)

respiratory system

47.

What body system controls movement of the human body?

a)

circulatory system

b)

nervous system

c)

digestive system

d)

respiratory system

48.

What body system takes oxygen into the body and gives off carbon dioxide?

a)

circulatory system

b)

nervous system

c)

digestive system

d)

respiratory system

49.

The digestive system is made up of which of the following organs?

a)

brain, nerves and spinal cord

b)

trachea, lungs and heart

c)

esophagus, stomach, small intestine and large intestine

d)

mouth, brain, and large intestine

50.

The _______ is the basic building block of the human body.

a)

organ

b)

cell

c)

tissue

d)

system

51.

The respiratory system is made up of which of the following organs?

a)

brain, nerves and spinal cord

b)

cells, lungs and heart

c)

esophagus, stomach, small intestine

d)

mouth, nose, trachea, lungs

52.

The circulatory system is made up of which of the following parts?

a)

brain, nerves and spinal cord

b)

cells, lungs and heart

c)

heart, blood vessels and blood

d)

skin, tissues and muscles

53.

The nervous system is made up of which of the following organs?

a)

brain, nerves and spinal cord

b)

cells, lungs and heart

c)

heart, blood vessels and blood

d)

skin, tissues and muscles

54.

How many chambers does the human heart have?

a)

1

b)

2

c)

3

d)

4

55.
This system provides a framework for the body.
a)
muscular
b)
integumentary
c)
skeletal
d)
excretory
56.
This system is the body's defense against attack.
a)
endocrine
b)
excretory
c)
muscular
d)
immune
57.
This system allows for movement of the body.
a)
skeletal
b)
nervous
c)
muscular
d)
integumentary
58.
This system transports essentials and removes wastes to and from the cells of the body.
a)
circulatory
b)
respiratory
c)
skeletal
d)
integumentary
59.

The system in charge of transforming food into nutrients is

a)

The respiratory system

b)

The digestive system

c)

The circulatory system

d)

The excretory system

60.

The circulatory system is also called

a)

digestive

b)

cardiovascular

c)

respiratory

d)

excretory

61.

The system in charge of removing cells' wastes from the body is called

a)

Digestive

b)

excretory

c)

Respiratory

d)

cardiovascular

62.

The "delivery system" is called

a)

cardiovascular

b)

digestive

c)

respiratory

d)

excretory

e)

circulatory

63.

Which 2 systems work together to provide the muscles with more oxygen during physical activity

a)

circulatory

b)

digestive

c)

excretory

d)

respiratory

64.

The lungs belong to

a)

The respiratory system

b)

The excretory system

c)

The nervous system

d)

The digestive system

65.

The system of hormones is called

a)

Excretory

b)

Endocrine

c)

Digestive

d)

Nervous

66.

The stomach, liver and intestine belong to

a)

The digestive system

b)

The respiratory system

c)

The excretory system

d)

The circulatory system

67.

The heart, veins and arteries belong to

a)

The digestive system

b)

The excretory system

c)

The respiratory system

d)

The cardiovascular system

68.

The kidneys and bladder belong to

a)

The excretory system

b)

The digestive system

c)

The respiratory system

d)

The cardiovascular system

69.

A group of specialized cells is called

a)

An organ

b)

A system

c)

A tissue

d)

An organism

70.

A body part consisting of different tissues working together is called

a)

A cell

b)

An organ

c)

A system

d)

An organism

71.

A group of organs working together is called

a)

A tissue

b)

A cell

c)

A system

d)

An organism

72.

A bunch of organelles working together make up a

a)

tissue

b)

cell

c)

organ

d)

system

73.

The cellular process that makes energy or ATP for the cells is called

a)

photosynthesis

b)

respiration

c)

chloroplast

d)

mitochondria

74.

Respiration takes place in

a)

The nucleus

b)

The chloroplast

c)

The mitochondria

d)

The vacuole

75.

During respiration, cells use

a)

water

b)

ATP

c)

Oxygen

d)

Carbon dioxide

e)

glucose

76.

During respiration, cells make

a)

water

b)

oxygen

c)

carbon dioxide

d)

ATP

e)

glucose

77.

The system that gets rid of the water and carbon dioxide produced during respiration is

a)

the digestive system

b)

the excretory system

c)

the respiratory system

d)

the cardiovascular system

78.

The two systems in charge of regulation (monitoring and responding to changes in the environment) are:

a)

Digestive

b)

Skeletal

c)

Nervous

d)

Endocrine

79.

The attached image is an example of which human body system:

a)

muscular system

b)

skeletal system

80.

The attached image is an example of which human body system:

a)

nervous system

b)

digestive system

81.

The attached image is an example of which human body system:

a)

circulatory/cardiovascular system

b)

respiratory system

82.

The systems of the human body work together.

a)

TRUE

b)

FALSE

83.

The attached image is an example of which human body system:

a)

circulatory/cardiovascular system

b)

respiratory system

84.

The attached image is an example of which human body system:

a)

nervous system

b)

digestive system

85.

The attached image is an example of which human body system:

a)

muscular system

b)

skeletal system

86.

The human body is an unicellular or multicellular organism:

a)

unicellular organism

b)

multicellular organism

87.

The human body is a multicellular organism made up of many systems that perform specialized functions necessary for life.

a)

TRUE

b)

FALSE

88.

The same or identical

a)

Asexual Reproduction

b)

Sexual Reproduction

c)

Diverse

d)

Uniform

89.

Being different

a)

Asexual Reproduction

b)

Sexual Reproduction

c)

Diverse

d)

Uniform

90.

Combining of egg and sperm

a)

Asexual Reproduction

b)

Sexual Reproduction

c)

Diverse

d)

Uniform

91.

Involves only one parent

a)

Asexual Reproduction

b)

Sexual Reproduction

c)

Diverse

d)

Uniform

92.

Which is NOT an Asexual reproduction DISADVANTAGE

a)

No genetic variation

b)

Only need one parent

c)

Bad characteristics are passed on

d)

difficult for organisms to adapt

93.

Which is NOT a Sexual reproduction DISADVANTAGE

a)

High genetic variation

b)

Can be complicated

c)

smaller population

d)

requires courtship or mating

94.

occurs when a second organism develops from an outgrowth of the original.

a)

Vegetative propagation

b)

Budding

c)

Fragmentation

d)

Binary Fission

95.

A type of cell division where the cell divides into two copies

a)

Vegetative propagation

b)

Budding

c)

Fragmentation

d)

Binary Fission

96.

a piece of an organism develops into a fully grown copy.

a)

vegetative propagation

b)

budding

c)

fragmentation

d)

binary fission

97.

some plants can send out runners that sprout daughter plants, this is called:

a)

vegetative propagation

b)

budding

c)

fragmentation

d)

binary fission

98.

What are the male and female gametes in PLANTS sexual reproduction?

a)

Sperm

Ovum

b)

Pollen

Ovules

99.

What are the male and female gametes in ANIMAL sexual reproduction?

a)

Sperm

Ovum

b)

Pollen

Ovules

100.

Sexual, Asexual, or Both?

a)

Sexual

b)

Asexual

c)

Both

d)

Neither

101.

The same or identical

a)

Asexual Reproduction

b)

Sexual Reproduction

c)

Diverse

d)

Uniform

102.

Being different

a)

Asexual Reproduction

b)

Sexual Reproduction

c)

Diverse

d)

Uniform

103.

Combining of egg and sperm

a)

Asexual Reproduction

b)

Sexual Reproduction

c)

Diverse

d)

Uniform

104.

Involves only one parent

a)

Asexual Reproduction

b)

Sexual Reproduction

c)

Diverse

d)

Uniform

105.

Which is NOT an Asexual reproduction DISADVANTAGE

a)

No genetic variation

b)

Only need one parent

c)

Bad characteristics are passed on

d)

difficult for organisms to adapt

106.

Which is NOT a Sexual reproduction DISADVANTAGE

a)

High genetic variation

b)

Can be complicated

c)

smaller population

d)

requires courtship or mating

107.

occurs when a second organism develops from an outgrowth of the original.

a)

Vegetative propagation

b)

Budding

c)

Fragmentation

d)

Binary Fission

108.

A type of cell division where the cell divides into two copies

a)

Vegetative propagation

b)

Budding

c)

Fragmentation

d)

Binary Fission

109.

a piece of an organism develops into a fully grown copy.

a)

vegetative propagation

b)

budding

c)

fragmentation

d)

binary fission

110.

some plants can send out runners that sprout daughter plants, this is called:

a)

vegetative propagation

b)

budding

c)

fragmentation

d)

binary fission

111.

What are the male and female gametes in PLANTS sexual reproduction?

a)

Sperm

Ovum

b)

Pollen

Ovules

112.

What are the male and female gametes in ANIMAL sexual reproduction?

a)

Sperm

Ovum

b)

Pollen

Ovules

113.
A dichotomous key for trees is provided. Hikers found a tree that has large brown cones and single sharp needles. What species of tree have the hikers found?
a)
Juniper
b)
Pine
c)
Spruce
d)
Fir
114.
Which of the following characteristics will most likely be helpful in identifying a butterfly using a dichotomous key?
a)
Migrates north every spring
b)
hangs on branches
c)
flutters wings fast on hot days
d)
Wings have long extensions
115.
A dichotomous key for insects is given. To what order does an insect with two pairs of scaly wings belong?
a)
Coleoptera
b)
Heteroptera
c)
Diptera
d)
Lepidoptera
116.
A dichotomous key for insects is given. To what order does an insect with two pairs of scaly wings belong?
a)
Coleoptera
b)
Heteroptera
c)
Diptera
d)
Lepidoptera
117.
A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger. The student uses the dichotomous key below to identify it. Which arachnid has the student found?
a)
Whip Scorpion
b)
Wind Scorpion
c)
Daddy long legs
d)
Scorpion
118.
An illustration and a dichotomous key are given. What is the correct classification for this organism?
a)
Class Insecta
b)
Order Amblygygi
c)
Order Araneae
d)
Order Scorpiones
119.
A labeled diagram of a fiddler crab is provided. Which of the following is an accurate observation of the structures of a fiddler crab? Fiddler crabs have -
a)
five pairs of walking legs on each side.
b)
an enlarged propodus on both front legs.
c)
a pair of eyes on stalks at the top of the body.
d)
two pairs or chelipeds for a total of four.
120.
A table of arachnid and insect characteristics is shown. Which characteristic could be used to distinguish between
arachnids and insects?
a)
Jointed legs
b)
Body segments
c)
Presence of eyes
d)
Presence of antennae
121.
What step do we always start with when using dichotomous keys?
a)
1
b)
2
c)
3
d)
4
122.
When using a dichotomous key to identify organisms, what do we look at?
a)
physical features
b)
weather patterns
c)
environment
d)
diet
123.
What is a dichotomous key used for in science?
a)
To organize biomes
b)
Classify organisms
c)
Identify bacteria only
d)
None of these
124.
Using this dichotomous key, identify the name of the circled Fish, J.
a)
peacock flounder
b)
band-tail puffer
c)
trumpet fish
d)
spotted goat fish
125.
A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger. The student uses the dichotomous key below to identify it. Which arachnid has the student found?
a)
Whip Scorpion
b)
Wind Scorpion
c)
Daddy long legs
d)
Scorpion
126.
Tool used by a taxonomist to identify an unknown organism is a:
a)
dichotomous key
b)
binomial nmenclature
c)
scientific name
d)
binomial key
127.

The populations of which organisms will most likely increase as a result of a disease that suddenly reduced the population of Texas horned lizards?

a)

Grasses and ants

b)

Ants and grasshoppers

c)

Grasshoppers and Texas Cottonmouths

d)

Texas cottonmouths and red shouldered hawks

128.

Which statement provides the best explanation for the difference in biomass of organisms found at each trophic level?

a)

Organisms at higher trophic levels have less energy available to them than organisms at lower trophic levels.

b)

Organisms at higher trophic levles require smaller habitats than organisms at lower trophic levels.

c)

Organisms at lower trophic levels provide less energy than organisms at higher trophic levels.

d)

Organisms at lower trophic levels outcompete organisms at higher trophic levels.

129.

When constructing an energy pyramid of a swamp ecosystem, which of these would be placed at the top of the pyramid.

a)

Grass carp

b)

American Alligator

c)

Eastern mud turtle

d)

Great blue heron

130.

Based on this food web, which organisms are direct sources of energy for secondary consumers?

a)

aphid, bird, rabbit

b)

ladybug, fox, dragonfly

c)

frog, butterfly, berries

d)

mouse, snake, hawk

131.

Based on the energy flow between trophic levels in an energy pyramid, how much energy would be expected to be found at the secondary consumer level in this energy pyramid?

a)

100 Joules

b)

500 Joules

c)

1,000 Joules

d)

50 Joules

132.

Which organisms are both secondary and tertiary consumers?

a)

chemosynthetic bacteria and amphipods

b)

zooplankton and muscles

c)

ratfish and octopuses

d)

galatheid crabs and zoarcid fish

133.

What is lost to the environment at each trophic level?

a)

food sources

b)

living space for the organisms

c)

nutrients from soil

d)

heat

134.

A terrestrial food web is shown. Which of the following lists only organisms that are secondary consumers in this food web?

a)

Mice, rabbits, herbivorous insects, squirrels

b)

Predaceous insects, toads, spiders, foxes

c)

Spiders, foxes, owl, hawks, snakes

d)

Insectivorous birds, seed eating birds, owls, hawks

135.

A food chain is shown. Which model best represents the amount of energy available for use at each trophic level represented in the food chain?

a)

b)

c)

d)

136.

In a Central Texas grassland, the producers incorporate 12,000 kJ of energy from the sun into their tissues. About how much energy would be incorporated into the tissues of herbivores?

a)

12,000 kJ

b)

1,200 kJ

c)

10,800 kJ

d)

1,080 kJ

137.

Some relationships between species found in the Texas Gulf Coast are shown in the food web.

Which energy pyramid best models energy flow in the Texas Gulf Coast community?

a)

b)

c)

d)

138.

The flow of energy in a grassland ecosystem is shown.

Based on the diagram, which two populations best represent trophic levels that receive the LEAST amount of the total energy provided to the ecosystem by the grass?

a)

Crickets and sparrows

b)

Toads and spiders

c)

Rabbits and mice

d)

Hognose snakes and owls

139.

A food web representing a Gulf Coast ecosystem is shown.

Based on this food web, which organism occupies multiple trophic levels?

a)

Canada goose

b)

Eastern cottontail

c)

Loggerhead sea turtle

d)

Sand dollar

140.

The diagram shows a partial East Texas food web. Which table correctly classifies these organisms?

a)
b)
c)
d)
141.

The energy pyramid shows the energy made available by producers. Based on the energy flow between trophic levels in an energy pyramid, how much energy would be expected to be found at the secondary consumer level in this pyramid?

a)

100 joules

b)

500 joules

c)

1,000 joules

d)

50 joules

142.

The food web shows the flow of energy through a sagebrush-steppe ecosystem. Which of these organisms are in a trophic level that receives a larger percentage of the energy captured by the producers than the percentage received at the bats' trophic level?

a)

mountain lion

b)

snakes

c)

hawks

d)

ground squirrels

143.

A student is asked to draw a food web in which the same organism is a primary consumer as well as a secondary consumer. How should the organism be represented in the food web?

a)

the organism must have an arrow pointing from it to a tertiary consumer and another arrow pointing from it to a decomposer

b)

the organism must have an arrow pointing from it to a secondary consumer and another arrow pointing to it from the top predator

c)

the organism must have an arrow pointing to it from a producer and another arrow pointing to it from a primary consumer

d)

the organism must have an arrow pointing from it to a primary consumer and another arrow pointing away from it to a decomposer

144.

Which of the following are missing from the food web shown above?

a)

producer

b)

decomposers

c)

omnivores

d)

predators

145.

The Texas blind salamander (Eurycea rathbuni) lives in the Edwards Aquifer region around San Marcos. Along with other species the salamander lives in total darkness in the underground crevices and caves of the aquifer region. The table lists some of the organisms that live in this environment and their food sources. In the energy pyramid for these aquifer cave dwellers, which of the following would be placed at the bottom?

a)

snails

b)

blind shrimp

c)

protozoa

d)

Texas blind salamander

146.

A student makes a model of an energy pyramid by stacking cups as shown. The producers are represented by the bottom level of four cups. How much energy will be obtained at the top of this energy pyramid if the cups representing the primary consumers have 37,000 kilojoules (kJ) of energy?

a)

37,000 kJ

b)

3,700 kJ

c)

370 kJ

d)

3.7 kJ

147.

What do we call a variation of a gene?

a)

geneotype

b)

allele

c)

phenotype

d)

karyotype

148.

This describes an alleles that when it is present, it masks the appearance of other alleles.

a)

recessive

b)

neutral

c)

dominant

d)

pedigree

149.

This allele is expressed when there is no dominant allele present.

a)

dominant

b)

recessive

c)

neutral

d)

pedigree

150.

Having two identical alleles for a particular trait.

a)

heredity

b)

dominant

c)

homozygous

d)

heterozygous

151.

Having two different alleles for a particular trait.

a)

heredity

b)

dominant

c)

homozygous

d)

heterozygous

152.

An organisms allele combination

a)

phenotype

b)

heredity

c)

allele

d)

genotype

153.

The physical appearance or characteristics seen in an organism.

a)

phenotype

b)

heredity

c)

allele

d)

genotype

154.

Who is known as the "Father of Genetics?"

a)

Wilkins

b)

Gregor Mendel

c)

Watson and Crick

d)

Franklin

155.

DNA sequence is: CGA-AAU-GGA.

Which one would should a deletion mutation?

a)

CGA-AAA-UGG-A

b)

CGA-AAG-GA

c)

CGA-AAU-GGA

d)

AGC-AAU-GGA

156.

Which structure carries instructions for producing the proteins that help make a person’s hair curly?

a)

phosphate

b)

lipid

c)

gene

d)

lysosomes

157.

These are the steps for making protein, which one is missing?

1. A strand of RNA is made.

2. RNA leaves the nucleus.

3. RNA moves to the ribosome.

4. A protein is made

a)

DNA unzips before step 1

b)

DNA unzips after step 1

c)

DNA is replicated before step 3

d)

DNA is replicated after step 3

158.

Which is an example of a genotype?

a)

rr

b)

red hair

c)

r

d)

blue eyes

159.

Which one is an example of a phenotype?

a)

rr

b)

Rr

c)

red hair

d)

RR

160.

Which one is an allele?

a)

rr

b)

Rr

c)

r

d)

RR

161.

Which best describes a recessive allele?

a)

does not determine phenotype when a dominant allele for the same trait is present

b)

only determines phenotype when a dominant allele for the same trait is present

c)

never inherited from a parent when a dominant allele is inherited from the other parent

d)

always inherited from a parent when a dominant allele is inherited from the other parent

162.

What is another name for selective breeding?

a)

gene therapy

b)

cloning

c)

artificial selection

d)

genetic engineering

163.

Golden rice was made to give more nutrients, like vitamin A, to those who grow and eat it. Golden rice would be an example of...

a)

cloning

b)

genetic engineering

c)

selective breeding

d)

artificial selection

164.

Which procedure is an attempt to correct a genetic disorder by replacing a mutated gene with a normal allele?

a)

gene therapy

b)

selective breeding

c)

cloning

d)

artificial selection

165.

Which statement describes the blood type of a person with the alleles IAi?

a)

It is type A because i is dominant and A is recessive.

b)

It is type A because A is dominant and i is recessive.

c)

It is type AB because A and i are codominant.

d)

It is type AB because I and i are codominant.

166.

Which word describes these alleles Tt.

a)

homozygous

b)

heredity

c)

heterzygous

d)

phenotype

167.

Every living organism is made up of one or more cells

a)

True

b)

False

168.
How many cells do you have in your body?
a)
hundreds
b)
thousands
c)
millions
d)
trillions
169.

A Tree

a)

alive

b)

not alive

170.

A River

a)

alive

b)

not alive

171.

Animals cells and plant cells are exactly the same.

a)

True

b)

False

172.

Only ____________ cells have a cell wall instead of a cell membrane.

a)

plant

b)

animal

c)

white blood

d)

living

173.

All plant and animal cells contain chromosomes with DNA.

a)

True

b)

False

174.
What in the cell has the instructions to tell it what type of cell it needs to be?
a)
DNA / Genes
b)
Cytoplasm
c)
Cell Membrane
d)
Mitochrondria
175.
A fireplace put out heat (energy) in a house. Which part of the cell is this most like?
a)
Nucelus
b)
Mitochondria
c)
Cell Membrane
d)
Rhibosome
176.

A seed

a)

alive

b)

not alive

177.

Ms. Kendrick

a)

alive

b)

not alive

c)

DEFINITELY not alive

d)

not sure

e)

possibly a vampire

178.

The fastest growing organ in humans is the _____________.

a)

bones

b)

lungs

c)

skin

d)

nucleus

179.

Genes are made of the molecule ______________________.

a)

hydrogen

b)

DNA

c)

oxygen

d)

chromosome

180.

_____________ a very long molecule that has chemicals in a special order.

a)

A nucleus is

b)

Genes are

c)

DNA is

d)

Skin is

181.

A person has ____________ pairs of chromosomes.

a)

46

b)

23

c)

26

d)

48

Similar Resources on Wayground

Cells Ks3

179 questions

Cells Ks3

quiz

Worksheet

•

7th Grade

Quizizz: 7th Grade CAST Review

184 questions

Quizizz: 7th Grade CAST Review

quiz

Worksheet

•

7th Grade

All about science

183 questions

All about science

quiz

Worksheet

•

1st - 7th Grade