TEAS Science Practice Test #2

Question 1

What would this diagram be useful for?

Accepted Answer

determining outcomes for potential infection

Answer

diagnosing an infectious disease

Answer

controlling the spread of disease in undeveloped countries

Answer

training nurses to detect early onset symptoms of disease

Question 2

What type of bond between the complementary bases of DNA stabilizes the double helix structure?

Accepted Answer

hydrogen

Answer

covalent

Answer

ionic

Answer

nuclear

Question 3

Which of the following subatomic particles are found inside of an atom’s nucleus?

Accepted Answer

neutrons, protons

Answer

electrons, neutrons, protons

Answer

electrons, protons

Answer

electrons

Question 4

Which of the following statements is true regarding trophic levels?

Accepted Answer

Tertiary consumers acquire less energy than primary consumers.

Answer

Tertiary consumers acquire more energy content than secondary consumers.

Answer

Producers acquire less energy than primary consumers.

Answer

Secondary consumers acquire more energy than primary consumers.

Question 5

Why does the human eye perceive a red colored dress as the color red?

Accepted Answer

The molecules of the dress do not absorb red light wavelengths.

Answer

The molecules of the dress absorb green and blue light wavelengths.

Answer

A red dress will primarily absorb red light wavelengths.

Answer

A red dress will not absorb light wavelengths from non-red colors.

Question 6

In a lab experiment designed to test the rate at which plants grow under artificial light, the kind of light used is which type of variable?

Accepted Answer

independent

Answer

dependent

Answer

random

Answer

responding

Question 7

Which organ system is primarily responsible for regulating metabolism, mood, and growth?

Accepted Answer

endocrine system

Answer

respiratory system

Answer

digestive system

Answer

lymphatic system

Question 8

In a vacuum, why doesn’t an elephant accelerate faster than a penny as it falls to the ground?

Accepted Answer

They both have an acceleration of 9.8 m/s<sup>2

Answer

Vector components of an elephant are more complex than those of a penny.

Answer

An elephant is not a projectile, while a penny is.

Answer

The elephant is greater in mass but is slowed less by the effects of air resistance.

Question 9

Which train described below would have the greatest momentum?

Accepted Answer

A 9500 kg train car moving at 200 mph

Answer

An 8000 kg train car moving at 215 mph

Answer

A 9300 kg train car moving at 190 mph

Answer

A 8600 kg train car mobbing at 195 mph

Question 10

The graph above records the death rate of two types of male flies a certain number of days after a chemical pesticide is sprayed. What is the probability a male methuselah fly will be alive 75 days after exposure to the pesticide?

Accepted Answer

1/5

Answer

1/2

Answer

1/3

Answer

1/4