ASVAB General Science Practice Test 314499 Results

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

Review

1

What part of the nervous system is responsible for controlling involuntary actions like breathing, swallowing, and heartbeat?

63% Answer Correctly

cerebrum

spinal cord

cerebellum

medulla
Solution

Part of the brainstem, the medulla is the connection between the brain and the spinal cord. It controls involuntary actions like breathing, swallowing, and heartbeat.

2

Examples of secondary consumers include:

53% Answer Correctly

chickens

wolves

grasshoppers

plankton
Solution

Secondary consumers (carnivores) subsist mainly on primary consumers. Omnivores are secondary consumers that also eat producers. Examples are rats, fish, and chickens.

3

Velocity and displacement are fully described by both a magnitude and a direction.  Velocity and displacement are which of the following?

71% Answer Correctly

composite quantities

vector quantities

scalar quantities

combinational quantities
Solution

Velocity and displacement are vector quantities which means each is fully described by both a magnitude and a direction.  In contrast, scalar quantities are quantities that are fully described by a magnitude only.  A variable indicating a vector quantity will often be shown with an arrow symbol:  \(\vec{v}\)

4

__________ and __________ pair to strengthen bones.

65% Answer Correctly

iron, calcium

calcium, vitamin A

vitamin D, calcium

vitamin D, magnesium
Solution

Vitamin D helps calcium strengthen bones while also aiding muscle, nerve, and immune system function.

5

Elements that belong to the same period in the Periodic Table of the Elements have the same number of:

50% Answer Correctly

electrons

protons

electron shells

atomic mass units
Solution

The rows of the Periodic Table are called periods and contain elements that have the same number of electron shells ordered from lower to higher atomic number.