ASVAB General Science Practice Test 715392 Results

Your Results Global Average
Questions 5 5
Correct 0 2.90
Score 0% 58%

Review

1

Which is the proper order of Earth's atmospheric layers from the surface up to space?

58% Answer Correctly

troposphere, stratosphere, mesosphere, thermosphere

stratosphere, troposphere, mesosphere, thermosphere

mesosphere, thermosphere, stratosphere, troposphere

thermosphere, mesosphere, stratosphere, troposphere
Solution

The troposphere is the closest layer to Earth, followed by the stratosphere, mesosphere, and finally the thermosphere which borders space.

2

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

61% Answer Correctly

DNA

phenotype

genotype

chromotype
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.

3

Examples of secondary consumers include:

52% Answer Correctly

plankton

chickens

wolves

grasshoppers
Solution

Secondary consumers (carnivores) subsist mainly on primary consumers. Omnivores are secondary consumers that also eat producers. Examples are rats, fish, and chickens.

4

Antigens are found on the outside of which blood cells?

55% Answer Correctly

white

plasma

red

platelets
Solution

Blood is categorized into four different types (A, B, AB, and O) based on the type of antigens found on the outside of the red blood cells. Additionally, each type can be negative or positive based on whether or not the cells have an antigen called the Rh factor.

5

In fermentation, what replaces oxygen in anaerobic respiration?

63% Answer Correctly

lactic acid or alcohol

water

ascorbic acid or peptides

starches
Solution

If no oxygen is present, cellular respiration is anaerobic and will result in fermentation where either lactic acid or alcohol is used instead of oxygen.