ASVAB General Science Practice Test 960895 Results

Your Results Global Average
Questions 5 5
Correct 0 3.32
Score 0% 66%

Review

1

Which of the following describes how a person's genes express themselves in physical characteristics?

61% Answer Correctly

chromotype

phenotype

genotype

DNA
Solution

A person's genotype is their genetic makeup and includes both dominant and recessive alleles. Phenotype is how the genes express themselves in physical characteristics.

2

The pitch of the siren of an approaching ambulance changes as it approaches you. This is an example of which of the following?

70% Answer Correctly

Doppler effect

refraction

sound radiation

reflection
Solution

The Doppler effect occurs when the source or listener (or both) of sound waves is moving. If they're moving closer together, the listener perceives the sound with a higher pitch and, when they're moving apart, the listener perceives the sound with a lower pitch.

3

What part of the food chain serves only as food for other organisms?

72% Answer Correctly

secondary consumers

primary consumers

producers

decomposers
Solution

Producers (autotrophs) serve as a food source for other organisms. Typical producers are plants that can make their own food through photosynthesis and certain bacteria that are capable of converting inorganic substances into food through chemosynthesis

4

Which of the following is not a terrestrial planet?

69% Answer Correctly

Mercury

Venus

Jupiter

Earth
Solution

The four planets closest to the Sun (Mercury, Venus, Earth, and Mars) are called terrestrial (Earth-like) planets because, like the Earth, they're solid with inner metal cores covered by rocky surfaces.

5

I biome is made up of naturally occurring flora and fauna.  Fauna is which of the following?

61% Answer Correctly

plants

minerals

habitats

animals
Solution

A biome is a large naturally occurring community of flora (plants) and fauna (animals) occupying a major habitat (home or environment).