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Which of the following is found in the cytoplasm of bacterial cells?

a.

cell membrane

b.

nucleus

c.

genetic material

d.

flagella

Please select the best answer from the choices provided

A

B

C

D

Chicken pox is a virus that causes an itchy rash but typically does not have any major or lasting effects on an infected person. Before 1995, chicken pox parties were popular. In a chicken pox party, healthy children were brought around children who were sick with chicken pox so that they would be exposed to the virus and their immune system would learn to fight it. A vaccine for chicken pox was developed in 1995, and chicken pox parties are now rare. What best describes how vaccines have advanced science? 

Vaccines are more effective on ethnicities that are highly susceptible to a disease.

Vaccines can determine which genes can cause disease.

Vaccines can minimize lifestyle choices that allow for greater exposure to a disease.

Vaccines allow for building immunity without harmful exposure because not all viruses are safe to be exposed to.

Which of the following is NOT a type of muscle tissue?

a.

smooth

c.

cardiac

b.

digestive

d.

skeletal

Please select the best answer from the choices provided

A

B

C

D

__________ allows the skin to bend without tearing apart.

a.

collagen.

c.

epidermis.

b.

nerve ending.

d.

none of the above.

Please select the best answer from the choices provided

A

B

C

D

Please select the word from the list that best fits the definition

Consists of the brain and spinal cord, and acts as the control center of the body

reflexperipheral nervous systemcentral nervous systemnervous system injuries

If you count 20 beetles in a garden measuring 5 square meters, the population density of the beetles is

a.

100 beetles per square meter.

b.

20 beetles per square meter.

c.

5 beetles per square meter.

d.

4 beetles per square meter.

Please select the best answer from the choices provided

A

B

C

D

There are three types of blood.

Please select the best answer from the choices provided

T

F

Exercising too much can cause ____.

a.

fever

c.

tendonitis

b.

osteoporosis

d.

none of the above

Please select the best answer from the choices provided

A

B

C

D

Alzheimer’s is a bone disease in which the bones become less dense.

Please select the best answer from the choices provided

T

F

A species that influences the survival of many other species in an ecosystem is called a(n)

a.

niche species.

b.

extinct species.

c.

keystone species.

d.

endangered species.

Please select the best answer from the choices provided

A

B

C

D

An owl and a bat share the same kingdom and phylum; an owl and a robin share the same kingdom, phylum, and class. Which of the following statements is correct?

a.

The owl and the bat have more characteristics in common.

b.

The owl and the robin have more characteristics in common.

c.

All three animals share the same characteristics.

d.

These three animals have no characteristics in common.

Please select the best answer from the choices provided

A

B

C

D

Which best describes the negative impact of human water use? 

Food can be produced in dry areas.

Increased runoff carries fertilizers.

Food can be produced through drought years.

Water can improve the livelihood of farmers.

Please select the word from the list that best fits the definition

Helps return excess fluid from the body tissues to the body and defend against disease causing organisms

lymphlymphatic organslymphatic system

The pharynx is also known as the ___.

a.

throat.

b.

cilia.

c.

bronchi.

d.

vocal cord.

Please select the best answer from the choices provided

A

B

C

D

Vertebrae protect the cerebellum.

Please select the best answer from the choices provided

T

F

Consider the example of shivering when a cold wind blows. The wind would be referred to as the _____________, and shivering the _____________.

a.

stimulus, response

b.

response, stimulus

c.

receptor, response

d.

stimulus, receptor

Please select the best answer from the choices provided

A

B

C

D

Which of the following is the highest level of organization (least specific)?

a.

genus

c.

family

b.

class

d.

order

Please select the best answer from the choices provided

A

B

C

D

The process in which oxygen and glucose react to release energy inside the body is called ___.

a.

oxidation

b.

inhalation

c.

exhalation

d.

respiration

Please select the best answer from the choices provided

A

B

C

D

The major organs of the skeletal system include:

a.

connective tissue

c.

cartilage

b.

bones

d.

all of the above

Please select the best answer from the choices provided

A

B

C

D

The body’s reaction to a change in the environment is called a response.

Please select the best answer from the choices provided

T

F

Consider the formula for glucose: C6H12O6. What does this indicate about the relationship of the reactants to glucose?

Twelve water (H2O) molecules were used to make it.

Twelve hydrogen (H2) molecules were used to make it.

Six oxygen (O2) molecules were used to make it.

Six carbon dioxide (CO2) molecules were used to make it.

An early winter frost preventing further growth in a tomato garden is an example of

a.

carrying capacity.

b.

a limiting factor.

c.

a biotic factor.

d.

indirect observation.

Please select the best answer from the choices provided

A

B

C

D

Hair forms in the hair follicle.

Please select the best answer from the choices provided

T

F

Which statement best distinguishes an observation from an inference?

An inference is likely to change based on additional observations.

An observation is likely to change based on additional inferences.

An observation involves assumptions, but an inference does not.

An inference involves the senses, but an observation does not.

Which of the following characteristics does a fungi NOT have?

a.

cell walls

c.

heterotrophic

b.

prokaryote

d.

reproduce with spores

Please select the best answer from the choices provided

A

B

C

D

In which situation would it be least likely for a scientist to revise her experimental methods?

if her results support her hypothesis

if her data do not support her hypothesis

if no conclusions can be drawn from the data

if results are the same after repeating the procedure

Which system recieves and sends electrical signals through out the body?

a.

muscular

c.

nervous

b.

skeletal

d.

cardiac

Please select the best answer from the choices provided

A

B

C

D

Your immune system consists of ____ that fight disease.

a.

cells

c.

organs

b.

tissues

d.

all of the above

Please select the best answer from the choices provided

A

B

C

D

Target tissues of hormones are always near the glands that release the hormones.

Please select the best answer from the choices provided

T

F

Please select the word from the list that best fits the definition

Joining of an egg cell with a sperm cell in fertilization to create a zygote

sexual reproductionmale reproductive systemfemale reproductive systemmenstrual cycle

A contractile vacuole is a structure that collects extra water and expels it from a protist.

Please select the best answer from the choices provided

T

F

Which describes a grizzly bear’s habitat?

all the biotic factors in the ecosystem

all the abiotic factors in the ecosystem

the role of the bear in the ecosystem

the physical area where the bear lives

Please select the word from the list hat best fits the definition

A eukaryotic organism that is not an animal, plant, or fungus

funguslike protistanimal-like protistprotistplantlike protist

Fertilization usually takes place in the ovaries.

Please select the best answer from the choices provided

T

F

Which of the following stimulates a person’s body to produce chemicals that destroy viruses or bacteria?

a.

antibiotic

b.

vaccine

c.

toxin

d.

endospore

Please select the best answer from the choices provided

A

B

C

D

Which of the following is NOT a function of the digestive system?

a.

elimination

c.

absorption

b.

digestion

d.

all are functions of the digestive system

Please select the best answer from the choices provided

A

B

C

D

At which point is G3P removed from the Calvin cycle to be used in the production of carbohydrates?

during photophosphorylation

during carbon fixation

immediately after reduction

immediately after regeneration

The main function of the excretory system is to ____.

a.

protect the brain

b.

strengthen skeletal muscles

c.

bring carbon dioxide to body cells

d.

collect and remove wastes from the body

Please select the best answer from the choices provided

A

B

C

D

All of these are first-line defenses EXCEPT ____.

a.

saliva

c.

antibodies

b.

cilia

d.

enzymes

Please select the best answer from the choices provided

A

B

C

D

Which of the following is NOT a function of blood?

a.

fight infections

c.

carry nutrients to cells

b.

carry oxygen to the body

d.

all of the above are functions of blood

Please select the best answer from the choices provided

A

B

C

D

Of the following, which is an infectious disease?

a.

asthma

c.

diabetes

b.

tuberculosis

d.

heart disease

Please select the best answer from the choices provided

A

B

C

D

Tiny finger shaped structures in the small intestine that helps absorb large amounts of nutrients are called ___.

a.

villi

b.

pancreas

c.

liver

d.

gallbladder

Please select the best answer from the choices provided

A

B

C

D

An organism’s particular role in its habitat, or how it makes its living, is called its

a.

carrying capacity.

b.

ecosystem.

c.

competition.

d.

niche.

Please select the best answer from the choices provided

A

B

C

D

Lymph is the blood that diffuses to your cells at capillaries.

Please select the best answer from the choices provided

T

F

The number of different species in an area is referred to as its

a.

niche diversity.

b.

climate.

c.

habitat fragmentation.

d.

biodiversity.

Please select the best answer from the choices provided

A

B

C

D

A Russian citizen has illegally obtained a Siberian tiger and is trying to sell the tiger’s fur in the United States. What treaty does this violate?

Tiger Treaty

Lacey Treaty

CITES

EPA

The two lower chambers of the human heart are known as:

a.

atriums

c.

auricles

b.

ventricles

d.

blood vessels

Please select the best answer from the choices provided

A

B

C

D