ASVAB General Science Practice Test 48330 Results

Your Results Global Average
Questions 5 5
Correct 0 2.91
Score 0% 58%

Review

1

Which of Earth's layers has weather?

64% Answer Correctly

thermosphere

mesosphere

stratosphere

troposphere


Solution

The Earth's atmosphere has several layers starting with the troposphere which is closest in proximity to the surface. Containing most of the Earth's breathable air (oxygen and nitrogen), it's a region with warmer temperatures closer to the surface and cooler temperatures farther away which results in the rising and falling air that generates weather.


2

Tough fibrous cords of connective tissue that connect muscles to the skeleton are called:

71% Answer Correctly

vertebra

cartilage

tendons

ligaments


Solution

Tough fibrous cords of connective tissue called tendons connect muscles to the skeleton while another type of connective tissue called ligaments connect bones to other bones at joints (elbow, knee, fingers, spinal column).


3

Which of the following is not a characteristic of the Sun?

52% Answer Correctly

formed 2.6 billion years ago

is a yellow dwarf star

is composed of hydrogen and helium

makes up over 99% of the mass of the solar system


Solution

The Sun is a G-type main-sequence star (G2V) but is informally known as a yellow dwarf star. Composed of 73% hydrogen and 25% helium, the hot plasma that makes up the Sun reaches 9,900°F (5,505°C) at the surface. It formed approximately 4.6 billion years ago and makes up 99.86% of the mass in the solar system.


4

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

45% Answer Correctly

primary or secondary consumers

secondary consumers or scavengers

primary or tertiary consumers

secondary or tertiary consumers


Solution

Secondary or tertiary consumers may be omnivores.


5

Which of the following describes the Earth's mantle?

55% Answer Correctly

liquid

primarily solid

primarily liquid

solid


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.