TEAS® Science Practice Test

Question 1

An unknown element is found to contain 45 protons and an atomic mass of 64, what is its atomic number?

Accepted Answer

45

Answer

It cannot be determined.

Answer

19

Answer

64

Question 2

The square above is based on the eye color of two parents, one of whom has brown eyes and carries the recessive gene for green eyes (a). What is the probability that a biological child of these parents will have brown eyes?

Accepted Answer

50%

Answer

0%

Answer

25%

Answer

100%

Question 3

The spleen functions are part of the _____ system. Which of the following completes the sentence above?

Accepted Answer

lymphatic

Answer

digestive

Answer

endocrine

Answer

circulatory

Question 4

Which of the following is an example of deductive reasoning?

Accepted Answer

All secretaries are good typists. Cynthia is a secretary. Therefore, Cynthia is a good typist.

Answer

Only 21% of a town’s population have expressed a desire to ban all cars. Therefore, the new proposition banning cars in the state is not likely to pass.

Answer

People who brush their teeth regularly have fewer instances of heart disease. Therefore, good dentistry can prevent heart attacks.

Answer

All soccer players who play professionally can kick well. Therefore, any future soccer player who is recruited to play professionally will be able to kick well.

Question 5

Which of the following is a possible cause of herniation of discs?

Accepted Answer

whiplash

Answer

hepatitis

Answer

plantar fasciitis

Answer

ulcer

Question 6

Which of the following is a characteristic of the autonomic nervous system?

Accepted Answer

It regulates involuntary activity in the heart, stomach, lungs, and intestines.

Answer

It regulates the voluntary control of body movements through the skeletal muscles.

Answer

It is the part of the nervous system consisting of the brain and spinal cord.

Answer

It is thought to be the center of intelligence.

Question 7

During photosynthesis, which two compounds are combined to create the output of glucose and oxygen?

Accepted Answer

Carbon dioxide and water.

Answer

Carbon dioxide and bicarbonate.

Answer

Bicarbonate and water.

Answer

Carbon dioxide and multiple alkaline substances.

Question 8

Which of the following is true about the frog?

Accepted Answer

It is a type of amphibian.

Answer

It is a member of the salamandridae family.

Answer

It is a non-vertebrate.

Answer

It is closer to most tetrapods than to most newts.

Question 9

Which statement can be inferred about amphibians?

Accepted Answer

All amphibians are vertebrates, but not all vertebrates are amphibians.

Answer

All amphibians are salamandridae, but not all salamandridae are amphibians.

Answer

Some amphibians are vertebrates, but not all amphibians are vertebrates.

Answer

Some salamandridae are amphibians, but not all amphibians are tetrapods.

Question 10

In plants, ________ involves the formation of a _____?

Accepted Answer

cytokinesis, cell plate

Answer

cytokinesis, cleavage furrow

Answer

telophase, cell plate

Answer

prophase, DNA