ASVAB General Science Practice Test 473324 Results

	Your Results	Global Average
Questions	5	5
Correct	0	3.03
Score	0%	61%

Review

The pitch of the siren of an approaching ambulance changes as it approaches you. This is an example of which of the following?

70% Answer Correctly

	Doppler effect
	sound radiation
	reflection
	refraction

Solution

The Doppler effect occurs when the source or listener (or both) of sound waves is moving. If they're moving closer together, the listener perceives the sound with a higher pitch and, when they're moving apart, the listener perceives the sound with a lower pitch.

What part of the brain is responsible for the major senses (thinking, hearing, seeing)?

65% Answer Correctly

	cerebrum
	brainstem
	medulla
	cerebellum

Solution

The cerebrum is the major part of the brain and is responsible for the main senses (thinking, hearing, seeing).

In the metric system, what prefix represents 10³?

61% Answer Correctly

	centi
	kilo
	milli
	mega

Solution

Kilo is the metric system prefix for 10³.

In the classification of life, bacteria, archaea and eukaryota are which of the following?

62% Answer Correctly

	kingdoms
	domains
	species
	classes

Solution

The broadest classification of life splits all organisms into three groups called domains. The three domains of life are bacteria, archaea and eukaryota.

In the food chain, omnivores may be which of the following?

45% Answer Correctly

	secondary consumers or scavengers
	primary or secondary consumers
	primary or tertiary consumers
	secondary or tertiary consumers

Solution

Secondary or tertiary consumers may be omnivores.