ASVAB General Science Practice Test 233553 Results

	Your Results	Global Average
Questions	5	5
Correct	0	3.26
Score	0%	65%

Review

Respiration is the process by which __________ absorb oxygen and eliminate carbon dioxide.

62% Answer Correctly

	bronchioles
	blood cells
	capillaries
	diaphragms

Solution

The respiratory system manages respiration which is the process by which blood cells absorb oxygen and eliminate carbon dioxide.

Which of the following is not true of light waves?

62% Answer Correctly

	travel faster than sound waves
	are mechanical waves
	are electromagnetic waves
	can travel through a vacuum

Solution

Unlike mechanical sound waves that require a physical medium for propagation, light waves are electromagnetic and can travel through empty space. Light waves are also much faster, travelling at 186,000 m/s vs. 343 m/s for sound waves.

Molecules and atoms that are inputs to a chemical reaction are known as which of the following?

63% Answer Correctly

	fuel
	components
	products
	reactants

Solution

During a chemical reaction molecules and atoms (reactants) are rearranged into new combinations that result in new kinds of atoms or molecules (products).

In the food chain, consumers are classified as which of the following?

73% Answer Correctly

	all of these
	secondary
	tertiary
	primary

Solution

Most animals consume other organisms to survive. Consumers (heterotrophs) are divided into three types, primary, secondary, and tertiary, based on their place in the food chain.

The Earth's rocks fall into three categories based on how they're formed. Which of the following is formed when existing rock is altered through pressure, temperature, or chemical processes?

68% Answer Correctly

	coal
	igneous
	metamorphic
	sedimentary

Solution

The Earth's rocks fall into three categories based on how they're formed. Igneous rock (granite, basalt, obsidian) is formed from the hardening of molten rock (lava), sedimentary rock (shale, sandstone, coal) is formed by the gradual despositing and cementing of rock and other debris, and metamorphic rock (marble, slate, quartzite) which is formed when existing rock is altered though pressure, temperature, or chemical processes.