Free Printable Goals 1 & 2 Science Review 2019-20

1.

"There are eleven sixth grade advisors". This is an example of a(n)....

a)

prediction

b)

inference

c)

qualitative observation

d)

quantitative observation

2.

"The 6th grade advisors are also classroom teachers." This is an example of a(n)....

a)

prediction

b)

inference

c)

qualitative observation

d)

quantitative observation

3.

"The advisors will probably let their advisees play outside today." This is an example of a(n)...

a)

prediction

b)

inference

c)

qualitative observation

d)

quantitative observation

4.

"The 6th grade advisors seem to have a lot of energy; they must be happy!" This is an example of a(n)...

a)

prediction

b)

inference

c)

qualitative observation

d)

quantitative observation

5.

The tool shown is a....

a)

graduated cylinder

b)

beaker

c)

ruler

d)

meter stick

6.

The tool shown is a....

a)

graduated cylinder

b)

beaker

c)

ruler

d)

meter stick

7.

The unit you would use when measuring mass with the tool shown is...

a)

milliliter

b)

centimeter

c)

meter

d)

grams

8.

In science, we always try to use the _______ to measure.

a)

American System

b)

National System

c)

Metric System

d)

English System

9.

Observations are always facts.

a)

True

b)

False

10.

A sketch should be...(choose all that apply)

a)

accurate

b)

big

c)

colored (when helpful)

d)

detailed

e)

explained (labeled)

11.

Both observations and inferences should be logical based on your observations.

a)

true

b)

false

12.

The more evidence you have, the stronger your claim.

a)

true

b)

false

13.

Graphs MUST include what features? (check all that apply)

a)

Specific title

b)

scale

c)

titles on both the x and y axis

d)

a key

e)

correct data

14.

Sam went outside at school to count the different types of leaves she saw. She made a graph of the data. Which of these is the best title?

a)

Leaf Count

b)

Types of Leaves Found at School

c)

Fall Leaves

d)

Leaves

15.

What kind of graph should Same make about the leaves she saw outside?

a)

Bar Graph

b)

Line Graph

16.

An explanation of how or why you think something happened is a(n):

a)

Observation

b)

Evidence

c)

Prediction

d)

Inference

17.

Bird droppings can be used as:

a)

food for humans

b)

medicine

c)

soap

d)

fertilizer

18.

Birds can help people with their way of life.

a)

True

b)

False

19.

Which of the following are ways that birds interact with people? Choose all that are correct!

a)

Part of religions

b)

Part of pop culture

c)

Featured in art

d)

Found in movies and cartoons

20.

If you have pests in your garden, birds could help you out.

a)

True

b)

False

21.

Birds help disperse seeds. This means...

a)

The can spread seeds from one place to another.

b)

Seeds are part of the food chain

c)

Birds are part of food webs.

d)

Birds pollinate flowers.

22.

A bird is a bioindicator. This means:

a)

birds can tell us how healthy the environment is.

b)

birds are non-living organisms.

c)

birds are very dangerious to the environment.

d)

birds belong to the Animal Kingdom.

23.

6th graders are too young to be citizen scientists.

a)

True

b)

False

24.

Outdoor pets are a threat to brids.

a)

True

b)

False

25.

Pesticides may harm bird populations.

a)

True

b)

False

26.

How can you help prevent bird strikes?

a)

Put bird silhouettes on the windows.

b)

draw streaks on the windows with soap

c)

put fake snow on the window glass

d)

attach bird feeders to windows

e)

all of the above

27.

All living things maintain a balanced internal system. This is otherwise known as what process?

a)

homeostasis

b)

metabolism

c)

reproduction

d)

adaptation

28.

What process results in offspring?

a)

homeostasis

b)

metabolism

c)

reproduction

d)

adaptation

29.

Over very long periods of time, organisms can change. Stronger organisms survive and their characteristics get passed on. These traits are known as:

a)

Adaptation

b)

Reproduction

c)

Homeostasis

d)

Metamorphosis

30.

All living things are made of at least one cell.

a)

True

b)

False

31.

Another word for a single-celled organism is:

a)

Multicellular

b)

Unicellular

c)

Prokaryote

d)

Eukaryote

32.

Another word for a many-celled organism is:

a)

Multicellular

b)

Unicellular

c)

Prokaryote

d)

Eukaryote

33.

A human changes from a baby, to a toddler, to a child, to a teenager, to an adult. This is an example of...

a)

Reproduction

b)

Homeostasis

c)

Adaptation

d)

Growth and Development

34.

When organisms are put into different groups, based on their traits, it is called what?

a)

Classification

b)

Reordering

c)

Organization

35.

Which is an example of an organism?

a)

Rock

b)

Plant

c)

Teddy Bear

d)

Sun

36.

All living things must show all traits of living things all of the time.

a)

True

b)

False

37.

The most general group of classification is:

a)

Domain

b)

Kingdom

c)

Species

38.

The most specific level of classification is:

a)

Domain

b)

Kingdom

c)

Species

39.

The way organisms are currently classified may change.

a)

True

b)

False

40.

Where in most cells is DNA found?

a)

nucleus

b)

cytoplasm

c)

cell membrane

d)

cell wall

41.

An organism that is dormant, like a seed, is considered alive.

a)

True

b)

False

42.

Something that was once alive but went through a process, like making leather from a cow hide, is still considered alive.

a)

True

b)

False

43.

Movement is a criteria for life.

a)

True

b)

False

44.

Types of traits that are passed down from generation to generation are called:

a)

Inherited

b)

Acquired

c)

Natural Selection

45.

If a trait is helpful to the survival of an organism it is called:

a)

Acquired

b)

Adaptation

c)

Characteristic

d)

Mutation

46.

An example of a properly written scientific name is:

a)

Canis lupus

b)

Canis lupus

c)

canis Lupus

d)

Wolf

e)

Canis

47.

The more levels of classification two organisms have in common, the more related they are.

a)

True

b)

False

48.

A tool scientists use to help classify organisms is called a

a)

dichotomous key

b)

classification key

c)

taxonomy key

49.

An example of a stimulus is:

a)

A stranger (which makes a dog bark).

b)

A cat hissing (at a dog).

c)

The recess bell (which makes the kids run inside).

d)

The smell of cookies (which makes your mouth water).

50.

Mitosis is important because:

a)

it helps organisms grow and develop.

b)

it helps organisms heal.

c)

all of the above

51.

When water crosses a semi-permeable membrane it is called:

a)

Osmosis

b)

Diffusion

c)

Homeostasis

d)

Mitosis

52.

What organelles are important in the mitosis?

a)

Centrioles

b)

Nucleus

c)

Cytoplasm

d)

Lysosome

53.

Where does a cell spend most of the time?

a)

Cytokinesis

b)

Mitosis

c)

Interphase

d)

Prophase

54.

When is a nucleus present during the cell cycle?

a)

Interphase

b)

Prophase

c)

Metaphase

d)

Anaphase

e)

Telophase

55.

Cells come from other cells.

a)

True

b)

False

56.

A mutation may be:

a)

neutral

b)

negative

c)

positive

d)

any of the above

57.

In diffusion, molecules move from ___ to ___ concentration.

a)

lower, higher

b)

higher, lower

c)

colder, hotter

d)

hotter, colder

58.

Which of these is an example of natural selection?

a)

The largest animal in a population will have more opportunities for reproduction.

b)

Several species of organisms work together so that they all succeed.

c)

One species takes all the resources in an environment leaving none for others.

d)

Organism that are best suited to an environment tend to survive and reproduce more often.

59.

Natural selection is when ____________ decides who survives and who doesn't

a)

nature

b)

humans

c)

animals

d)

years

60.

Genetic differences between organisms of the same species

a)

Variation

b)

Adaptation

c)

Behavior

d)

Environment

61.

What is the purpose of the cell cycle?

a)

To create new identical cells

b)

To allow organisms to grow and develop

c)

To help the body heal and repair

d)

All of the above

62.

What is a watershed?

a)

The land area that drains into a common body of water.

b)

A place to store water.

c)

The body of water where of of the water ends up.

d)

A process of the water cycle.

63.

The water cycle is never ending.

a)

True

b)

False

64.

The water cycle MUST have the sun in order to "work".

a)

True

b)

False

65.

When water reaches the earth it might

a)

accumulate

b)

infiltrate

c)

runoff

d)

all of the above

66.

What determines what will happen to water when it reaches the surface of the earth?

a)

topography

b)

temperature

c)

time

d)

size

67.

Watersheds are located right next to each other.

a)

True

b)

False

68.

A benthic macroinvertebrate is...(choose all that are correct)

a)

an animal without a backbone that lives at the bottom of the river

b)

an animal with a backbone that lives at the bottom of the river

c)

an invasive species

d)

a bioindicator

69.

Group 1 BMIs are

a)

sensitive to pollution

b)

tolerant of pollution

c)

found in poor water quality

d)

sort of sensitive to pollution

70.

Group 2 BMIs are:

a)

Sensitive to pollution

b)

sort of sensitive to pollution

c)

Not sensitive to pollution.

71.

Group 3 BMIs are:

a)

Sensitive to pollution

b)

Sort of sensitive to pollution

c)

Tolerant of pollution

d)

found in very clean water

72.

If the water is fair, then you would expect to see...

a)

a lot of group 1 BMIs

b)

Mostly group 2 BMIs

c)

a lot of group 3 BMIs

73.

The most available freshwater in the world is in the Great Lakes.

a)

True

b)

False

74.

Where is most of the water on Earth found?

a)

Glaciers

b)

Great Lakes

c)

Oceans

d)

Groundwater

75.

The northernmost Great Lake is:

a)

Huron

b)

Ontario

c)

Michigan

d)

Erie

e)

Superior

76.

The Great Lake to the west of the lower peninsula is:

a)

Huron

b)

Ontario

c)

Michigan

d)

Erie

e)

Superior

77.

The Great Lake to the east of the lower peninsula is:

a)

Huron

b)

Ontario

c)

Michigan

d)

Erie

e)

Superior

78.

The Great Lake at the south-eastern most part of Michigan is

a)

Huron

b)

Ontario

c)

Michigan

d)

Erie

e)

Superior

79.

The Great Lake not found in Michigan is:

a)

Huron

b)

Ontario

c)

Michigan

d)

Erie

e)

Superior

80.

The water from the Great Lakes ultimately ends up in:

a)

the Atlantic

b)

the Pacific

c)

the Detroit River

d)

Lake St. Clair

81.

Most pollution in the watershed is a result of everyday human activity.

a)

True

b)

False

82.

Pollution from animal waste is:

a)

Sediment

b)

Bacterial

c)

Toxic

d)

Nutrient

83.

Pollution from soil erosion is:

a)

Sediment

b)

Bacterial

c)

Toxic

d)

Nutrient

84.

Pollution chemicals that make too many plants grow is:

a)

Sediment

b)

Bacterial

c)

Toxic

d)

Nutrient

85.

Where is most of the freshwater on Earth located?

a)

Oceans

b)

Lakes

c)

Groundwater

d)

Glaciers

86.

During the water cycle, when water vapor changes to liquid water, it is called

a)

evaporation

b)

freezing

c)

condensation

d)

boiling

87.

In which stage is cool air causing water to condense?

a)

Stage 1

b)

Stage 2

c)

Stage 3

d)

Stage 4

88.

In the water cycle, energy from the Sun causes water to:

a)

condense

b)

evaporate

c)

freeze

d)

sublimate

89.

How does water return to Earth from the atmosphere in the water cycle?

a)

precipitation

b)

runoff

c)

water vapor

d)

transpiration

90.

Groundwater is part of the water cycle because:

a)

it is surface water

b)

it collects precipitation and eventually returns it to surface waters

c)

it does not evaporate easily

d)

it becomes precipitation when heated

91.

What is an aquifer?

a)

a cavern with fresh water

b)

a wetland

c)

the center of an ice sheet

d)

a layer of permeable rock that holds water

92.

From largest to smallest, the amounts of water on Earth are

a)

liquid fresh water, solid fresh water, salt water

b)

salt water, solid fresh water, liquid fresh water

c)

salt water, liquid fresh water, groundwater

d)

groundwater, salt water, solid fresh water

93.

How does the sun play a role in the water cycle?

a)

it changes oxygen into ozone particles, which affect ocean currents

b)

it heats up living things so they will need more water to survive

c)

it slows down water particles, causing them to become solid

d)

it energizes water particles and causes them to evaporate and rejoin the water cycle

94.

When water vapor condenses, what does it form?

a)

rain

b)

lakes, freshwater systems

c)

clouds

d)

ice, glaciers

95.

The evaporation of water droplets off of plants and trees is called:

a)

evaporation

b)

run off

c)

infiltration

d)

transpiration

96.

Earth's water supply is constantly recycled in the :

a)

water system

b)

water cycle

c)

water pattern

d)

recycling system

97.

What is it called when water from precipitation soaks into the ground?

a)

inflow

b)

runoff

c)

infiltration

d)

soaking in

98.

What is it called when water from precipitation flows down slope along Earth's surface?

a)

inflow

b)

runoff

c)

infiltration

d)

soaking in

99.

A __________ is a river or stream that flows into other rivers and streams.

a)

watershed

b)

tributary

c)

fork

d)

bank

100.

The watershed the school is located on is the

a)

Detroit River

b)

Rouge River

c)

Clinton River

d)

Atlantic Ocean

101.

Everyone lives in a watershed.

a)

True

b)

False

102.

When water collects in one place it is called:

a)

Accumulation

b)

Runoff

c)

Evaporation

d)

Condensation

103.

Which is not considered a BMI?

a)

Fish

b)

Dragobfly Nymph

c)

Aquatic Worm

d)

Crayfish

104.

Once the groundwater is used up, it cannot be refilled.

a)

True

b)

False

105.

Pollutants wash away and disappear when there is precipitation and runoff.

a)

True

b)

False

106.

Wastewater from our homes goes to a water treatment plant.

a)

True

b)

False

107.

In a wastewater treatment plant, several steps are used to clean the water before returning it to homes.

a)

True

b)

False

108.

What helps clean water in a treatment plant? Choose all that apply.

a)

Bacteria

b)

Plants

c)

Chemicals

d)

Animals

109.

Bottled water is more tested that treated water.

a)

True

b)

False

110.

If a BMI species count is between 1-10, what would you consider it?

a)

Rare

b)

Common

c)

Not a BMI

d)

A level 1

111.

Someone that is concerned about protecting and conserving the Earth's resoures is called a:

a)

Steward

b)

Activitst

c)

Fraud

d)

Biologist

112.

How are bacteria classified?

a)

size

b)

shape

c)

use

d)

gender

113.

The three common shapes of bacteria are:

a)

rod, round, spiral

b)

zig zag, round, rod

c)

ball, hot dog, corkscrew

d)

big, medium, small

114.

All bacteria are prokaryotes.

a)

True

b)

False

115.

All bacteria are unicellular.

a)

True

b)

False

116.

Bacteria contain DNA.

a)

True

b)

False

117.

Most bacteria have a ______.

a)

Mitochondria

b)

Lysosome

c)

Cell Wall

d)

Vacuole

118.

Many bacteria have a flagella, which helps it:

a)

reproduce

b)

move

c)

grow and develop

d)

consume food

119.

You can see some bacteria without a microscope.

a)

True

b)

False

120.

Bacteria are more harmful than helpful.

a)

True

b)

False

121.

Bacteria can be used to make some medicines.

a)

True

b)

False

122.

Bacteria are helpful because some of them decompose dead things.

a)

True

b)

False

123.

If you have a disease caused by bacteria, you can treat it with a ...

a)

antibiotic

b)

antigen

c)

nothing, they cannot be treated

d)

antidote

124.

Last week, about 5 kids were absent from 6th grade with the flu. This is considered a(n):

a)

Outbreak

b)

Epidemic

c)

Pandemic

d)

unlucky

125.

Cases of chickenpox, a contagious, itchy rash, have been multiplying among students at the Asheville Waldorf School in North Carolina. About a dozen infections grew to 28 at the beginning of November. By November 16 there were 36 infections. Scientists think that it is spreading because children are not being vaccinated, which would prevent the disease.

If you were an epidemiologist, what would you say is the agent?

a)

Chicken pox

b)

students

c)

school

d)

North Carolina

e)

Itchy rash

126.

Cases of chickenpox, a contagious, itchy rash, have been multiplying among students at the Asheville Waldorf School in North Carolina. About a dozen infections grew to 28 at the beginning of November. By November 16 there were 36 infections. Scientists think that it is spreading because children are not being vaccinated, which would prevent the disease.

If you were an epidemiologist, what would you say is the host?

a)

Chicken pox

b)

students

c)

school

d)

North Carolina

e)

Itchy rash

127.

Cases of chickenpox, a contagious, itchy rash, have been multiplying among students at the Asheville Waldorf School in North Carolina. About a dozen infections grew to 28 at the beginning of November. By November 16 there were 36 infections. Scientists think that it is spreading because children are not being vaccinated, which would prevent the disease.

If you were an epidemiologist, what would you say is the environment?

a)

Chicken pox

b)

students

c)

school

d)

North Carolina

e)

Itchy rash

128.

Cases of chickenpox, a contagious, itchy rash, have been multiplying among students at the Asheville Waldorf School in North Carolina. About a dozen infections grew to 28 at the beginning of November. By November 16 there were 36 infections. Scientists think that it is spreading because children are not being vaccinated, which would prevent the disease.

If you were an epidemiologist, what would you say is the best prevention?

a)

Vaccination

b)

keeping kids out of school

c)

cleaning the school

d)

exposing people more

129.

Cases of chickenpox, a contagious, itchy rash, have been multiplying among students at the Asheville Waldorf School in North Carolina. About a dozen infections grew to 28 at the beginning of November. By November 16 there were 36 infections. Scientists think that it is spreading because children are not being vaccinated, which would prevent the disease.

Based on the information, this is becoming an epidemic?

a)

True

b)

False

130.

Microbe and microorganism are synonyms.

a)

True

b)

False

131.

A pathogen prevents disease.

a)

True

b)

False

132.

What is epidemiology?

a)

Study of bacteria.

b)

Study of viruses

c)

Study of disease

d)

Study of epidemics

133.

What do viruses need to reproduce?

a)

They need genetic material

b)

They need a host cell

c)

They need bacteria

d)

They need insulin

134.

How does a virus cause a person to develop the common cold?

a)

invades the host cell to reproduce

b)

removes energy from the host cell

c)

produces toxins in the host cell

d)

protects the host cell from bacteria

135.

A(n) _____ is a virus that enters a bacterial cell.

a)

endospore

b)

decomposer

c)

plasmid

d)

bacteriophage

136.

When a virus invades a living cell, its _______
takes over the cell's functions.

a)

outer coat

b)

genetic material

c)

core

d)

cytoplasm

137.

What part of the virus is the DNA?

a)

A

b)

B

c)

C

d)

D

138.

Antibiotics kill viruses.

a)

True

b)

False

139.

What part of a virus is the protein capsule that houses the genetic material (DNA/RNA)?

a)

tail

b)

nucleus

c)

capsid

d)

glycoprotein

140.

Is a virus considered living or non-living?

a)

Living

b)

Non-Living

c)

Neither

141.

Can a virus change the normal activity of a cell?

a)

No

b)

Maybe

c)

Yes

142.

What is a host?

a)

Organism that lives on the cell and causes it harm

b)

Something that causes harm to the cell

c)

Cell that the virus invades and takes over

143.

Why do scientists classify viruses as non-living?

a)

They DO respond to a stimulus

b)

They need a host's energy because they do not have their own energy

c)

They produce wastes

d)

They are really small

144.

What is the first step of the virus reproduction cycle?

a)

The viruses genetic material (DNA) starts to take over the functions of the cell

b)

The host cell bursts open, releasing the new viruses

c)

The virus injects its genetic material into the cell

d)

A virus attaches to the surface of a host cell

145.

What is the last step in the viral reproduction cycle?

a)

A virus attaches to the surface of a host cell

b)

The proteins and genetic material start to assemble in the cell

c)

The host cell bursts open, releasing the new viruses

d)

The virus injects its genetic material into the cell

146.

Which of the following helps prevent the spread of infectious diseases?

a)

Surgery

b)

Medication

c)

Vaccines

147.

Why are viruses considered to be nonliving?

a)

They are not cellular

b)

They cannot reproduce on their own

c)

They cannot make proteins

d)

all of the above

148.

Viruses are larger than bacteria.

a)

True

b)

False

149.

One reason that viruses are considered to be nonliving is that they are not made of ______.

a)

protein

b)

viruses

c)

bacteria

d)

cells

150.

Like all other body systems, the immune system helps the body maintain homeostasis. Which statement best describes how the immune system does this?

a)

It protects other organs and tissues from infection and disease

b)

It breaks down food to provide cells with nutrients

c)

It gathers information through the senses and controls all other body systems

d)

It transports oxygen and carbon dioxide

151.

What do scientists call bacteria and viruses that can make people sick?

a)

diseases

b)

vaccines

c)

antibodies

d)

pathogens

152.

Jorge has a cold but feels well enough to study with his friends Lisa and Jin. Lisa and Jin become sick. Which term describes Jorge’s condition when he was studying with his friends?

a)

noninfectious

b)

contagious

c)

immune

d)

deadly

153.

Diseases are passed from human to human by these four types of germs:

a)

Viruses, influenza, HIV, and vaccines

b)

Viruses, bacteria, fungi, and parasites

c)

Viruses, cancers, mutagens, and DNA

d)

Viruses, blood, pollutants, and symptoms

154.

Which answer best describes how infectious diseases get transmitted (passed on)?

a)

people can sneeze or cough and pass disease on through the air

b)

drinking water can be contaminated with diseases

c)

objects such as doorknobs and towels can be contaminated by disease

d)

all of the above answers are ways that diseases are transmitted

155.

The human body has both internal and external defense against disease. Which of these includes only internal defenses?

a)

hair and inflammation

b)

white blood cells and sweat

c)

inflammation and white blood cells

d)

skin and mucus

156.

Erick wants to avoid exposure to infectious disease as much as possible. Which strategy can best help him do this?

a)

eat a balanced diet

b)

wash his hands regularly

c)

wear sunscreen outside

d)

exercise several days a week

157.

True/False: Your body cannot make antibodies for pathogens that you have never been in contact with.

a)

True, because your body needs to encounter the pathogen at least once in order to create the antibodies.

b)

False, because you can make antibodies via immunizations given by a doctor.

158.

What is the function of antibodies within the immune system?

a)

Antibodies kill off any antigen that enters the body.

b)

Antibodies are only made when you are given a vaccination for specific antigens.

c)

Antibodies bind to specific antigens to flag for destruction.

d)

Antibodies are part of an external defense mechanism.

159.

Which of the following statements are TRUE about vaccinations?

a)

Allow B cells to make antibodies for any type of antigen the body comes in contact with.

b)

Triggers the body to make memory cells for specific pathogens.

c)

They are substances prepared from killed or weakened pathogens.

d)

Always allows the body to resist an infectious disease any time it comes into contact with it.

160.

What happens after the second time you are exposed to a pathogen?

a)

The body will not be able to fight off the pathogen quickly, because it knows how to get into the body easier.

b)

The body's immune system will react the same was as it did during the first exposure.

c)

The body can only be exposed to a pathogen a second time if you do not have a vaccine.

d)

The body will know how to fight off the pathogen quickly, because memory cells have been created after the first encounter.

161.

Some examples of external defenses are...

a)

Skin

b)

Mucus

c)

Inflammation

d)

Saliva

e)

Sweat

162.

How do T cells differ from B cells?

a)

T cells fight pathogens by killing pathogens directly, while B cells fight pathogens by making antibodies.

b)

T cells only make memory cells, and B cells only make antigens

c)

T cells fight pathogens by making antibodies, while B cells fight pathogens by killing pathogens directly.

d)

T cells can only fight off pathogens the body has encountered once, and B cells can fight off any pathogen the body comes across.

163.

Antibiotics work against most

a)

Bacteria

b)

Bacteria & Viruses

c)

Vaccines

d)

Viruses

164.

Vaccinations are used for

a)

Curing the illness

b)

Preventing the Illness

c)

Getting the illness

165.

What is the main purpose of the immune system?

a)

support the body through bones and muscles

b)

get rid of waste from the body

c)

protect the body from pathogens

d)

move blood through the body

166.

What do antibodies attach to on the pathogen?

a)

Anti inflammatory

b)

Antigens

c)

Antiseptic

d)

Antibodies

167.

Vaccines stimulate the body to produce...

a)

autoimmune diseases

b)

helper t-cells

c)

fever

d)

antibodies

168.

Which would most likely prevent a cold virus from spreading in a classroom?

a)

tissue at a teacher's desk

b)

students wash hands regularly with soap

c)

students shake hands regularly with each other

d)

students wipe desks with dry paper towels

169.

Which one is a way the body defends against a pathogen?

a)

Fever

b)

Stomach Acid digesting

c)

White Blood Cells fighing

d)

All of these are correct

170.

A disease that is harmful to the body and is contagious is called....

a)

Non-Infectious

b)

Infectious

171.

Pathogens are recognized by their...

a)

antigens

b)

antibodies

c)

killer t-cells

d)

B-cells

172.

Another name for a leukocyte.

a)

White Blood Cell

b)

Red Blood Cell

c)

Bacteria

d)

Virus

173.

An organism that can carry and transfer a pathogen to another organism is called a:

a)

Vector

b)

Virus

c)

Vaccine

d)

Bacteriophage

Goals 1 & 2 Science Review 2019-20

Total questions: 173

Worksheet time: 2hrs 30mins

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