ASVAB General Science Practice Test 548917 Results

Your Results Global Average
Questions 5 5
Correct 0 3.50
Score 0% 70%

Review

1

DNA is encoded through a combination of which of the following?

47% Answer Correctly

helix

genes

gametes

nucleotides
Solution

Deoxyribonucleic acid (DNA) is the molecule that contains genetic information. DNA is encoded through a combination of nucleotides that bind together in a specific double helix pattern.

2

In the metric system, what prefix represents 10-3?

62% Answer Correctly

centi

kilo

mega

milli
Solution

In the metric system, milli is the prefix for 10-3.

3

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

reflection

Doppler effect

refraction

sound radiation
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.

4

Saturated fats can __________ LDL ("bad") cholesterol while unsaturated fats can __________ it.

78% Answer Correctly

decrease, stabilize

raise, decrease

stabilize, raise

decrease, raise
Solution

Saturated fats can raise LDL ("bad") cholesterol while unsaturated fats can decrease it.

5

__________ is caused by a lack of iron in the diet.

81% Answer Correctly

scurvy

diabetes

anemia

shingles
Solution

Anemia, which may cause weakness, dizziness, and headaches is caused by a lack of iron in the diet.