ASVAB General Science Practice Test 619471 Results

	Your Results	Global Average
Questions	5	5
Correct	0	3.41
Score	0%	68%

Review

The crust and upper mantle of the earth is called the:

62% Answer Correctly

	geosphere
	lithosphere
	atmosphere
	hydrosphere

Solution

The biosphere is the global ecological system integrating all living beings and their relationships. This includes their interactions with the lithosphere (the rigid outer part of the earth, consisting of the crust and upper mantle), hydrosphere (all surface water), and atmosphere (the envelope of gases surrounding the planet).

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

63% Answer Correctly

	components
	products
	fuel
	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).

Which of these vitamins doesn't come from food?

75% Answer Correctly

	A
	D
	C
	Potassium

Solution

Vitamins are necessary for a wide variety of bodily processes. Some vitamins like Vitamins A and C come from diet but others, like Vitamin D, are generated in response to sunlight.

Herbivores are __________ that subsist on producers like plants and fungus.

73% Answer Correctly

	secondary consumers
	tertiary consumers
	primary consumers
	scavengers

Solution

Primary consumers (herbivores) subsist on producers like plants and fungus. Examples are grasshoppers, cows, and plankton.

Which of the following members of the food chain are most alike?

65% Answer Correctly

	scavengers and decomposers
	producers and tertiary consumers
	herbivores and autotrophs
	primary consumers and omnivores

Solution

Like decomposers, scavengers also break down the dead bodies of plants and animals into simple nutrients. The difference is that scavengers operate on much larger refuse and dead animals (carrion). Decomposers then consume the much smaller particles left over by the scavengers.