ASVAB General Science Practice Test 662526 Results

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

Review

1

Traits represented by genes may be which of the following?

81% Answer Correctly

recessive

expressed

all of these

dominant
Solution

The traits represented by genes are inherited independently of each other  (one from the male and one from the female gamete) and a trait can be dominant or recessive.  A dominant trait will be expressed when paired with a recessive trait while two copies of a recessive trait (one from each parent) must be present for the recessive trait to be expressed.

2

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

63% Answer Correctly

cerebellum

cerebrum

spinal cord

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.

3

In the water cycle, infiltration is most closely related to:

41% Answer Correctly

oceans

rivers

runoff

water table
Solution

The water then accumulates as runoff and eventually returns to bodies of water or is absorbed into the Earth (infiltration) and becomes part of the water table, an underground resevoir of fresh water.

4

This skeletal system is common in arthropods like insects, spiders, and crustaceans.

81% Answer Correctly

exoskeleton

vertebrate

bone

endoskeleton
Solution

An exoskeleton (external skeleton) is common in arthropods like insects, spiders, and crustaceans.

5

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

72% Answer Correctly

scavengers

primary consumers

tertiary consumers

secondary consumers
Solution

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