ASVAB General Science Practice Test 23838 Results

	Your Results	Global Average
Questions	5	5
Correct	0	3.34
Score	0%	67%

Review

The two heart chambers that pump blood called:

59% Answer Correctly

	atria
	aorta
	valves
	ventricles

Solution

The heart is the organ that drives the circulatory system. In humans, it consists of four chambers with two that collect blood called atria and two that pump blood called ventricles. The heart's valves prevent blood pumped out of the ventricles from flowing back into the heart.

Saturated fats can __________ LDL ("bad") cholesterol while unsaturated fats can __________ it.

78% Answer Correctly

	stabilize, raise
	decrease, stabilize
	raise, decrease
	decrease, raise

Solution

Saturated fats can raise LDL ("bad") cholesterol while unsaturated fats can decrease it.

Cirrus clouds are thin, wispy clouds composed of ice crystals. At what elevation to cirrus clouds form?

70% Answer Correctly

	high-altitude
	ground level
	low-altitude
	mid-altitude

Solution

Cirrus clouds are thin, wispy high-altitude clouds composed of ice crystals that originate from the freezing of supercooled water droplets. Cirrus clouds generally occur in fair weather and point in the direction of air movement at their elevation.

Plant cells are surrounded by:

63% Answer Correctly

	only a cell wall
	only a cell membrane
	neither a cell membrane nor a cell wall
	a cell membrane and a cell wall

Solution

Animal cells are surrounded by a semipermeable membrane which allows for the transfer of water and oxygen to and from the cell. In plant cells, the cell membrane is surrounded by a somewhat rigid cell wall which provides the cell structure and support.

Examples of primary consumers include:

54% Answer Correctly

	fish
	all of these
	cows
	rats

Solution

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