ASVAB General Science Practice Test 481542 Results

Your Results Global Average
Questions 5 5
Correct 0 3.35
Score 0% 67%

Review

1

Which of these does not contain oxygenated blood?

47% Answer Correctly

right atrium

pulmonary vein

left ventricle

aorta


Solution

To provide oxygen to the body, blood flows through the heart in a path formed by the right atrium → right ventricle → lungs → left atrium → left ventricle → body. When blood enters the right side of the heart it is deoxygenated. It enters the left side of the heart oxygenated after traveling to the lungs.


2

A human heart consists of how many chambers?

84% Answer Correctly

8

4

2

1


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.


3

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

61% Answer Correctly

genotype

phenotype

chromotype

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.


4

A person's genotype is their genetic makeup and includes:

82% Answer Correctly

recessive alleles

both dominant and recessive alleles

dominant alleles

phenotypes


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.


5

Which of the following represents the largest value?

61% Answer Correctly

1 cL

1 ML

1 mL

1 kL


Solution

Mega (M) is 106, kilo (k) is 103, centi (c) is 10-2, milli (m) is 10-3 so 1 ML represents the largest value.