ASVAB General Science Practice Test 307443 Results

Your Results Global Average
Questions 5 5
Correct 0 3.57
Score 0% 71%

Review

1

Water coming to a boil on a stove, ice melting, and steam from a cup of coffee are all examples of which of the following? 

66% Answer Correctly

convection

conduction

reflection

radiation
Solution

Convection is the transfer of heat by the circulation or movement of the heated parts of a liquid or gas.

2

Antigens are found on the outside of which blood cells?

55% Answer Correctly

red

white

platelets

plasma
Solution

Blood is categorized into four different types (A, B, AB, and O) based on the type of antigens found on the outside of the red blood cells. Additionally, each type can be negative or positive based on whether or not the cells have an antigen called the Rh factor.

3

Which of the following is not a method of heat transfer?

68% Answer Correctly

reflection

radiation

conduction

convection
Solution

Heat is always transferred from warmer to cooler environments through conduction, convection, or radiation.

4

Which of the following describes the Earth's mantle?

81% Answer Correctly

hot

all of these

makes up most of Earth's volume

dense
Solution

Mantle makes up 84% of the Earth's volume and has an average thickness of approximately 1,800 miles (2,900 km). It is dense, hot, and primarily solid although in places it behaves more like a viscous fluid as the plates of the upper mantle and crust gradually "float" along its circumference.

5

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

82% Answer Correctly

scurvy

anemia

shingles

diabetes
Solution

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