ASVAB General Science Practice Test 508971 Results

	Your Results	Global Average
Questions	5	5
Correct	0	3.07
Score	0%	61%

Review

Which of the following indicates the correct reproductive sequence?

64% Answer Correctly

	none of these are correct
	ovum → fetus → zygote
	zygote → ovum → fetus
	ovum → zygote → fetus

Solution

During intercourse, the penis ejaculates sperm, produced in the testes, into the vagina. Some of the sperm makes their way to the uterus where, if they encounter an egg to fertilize, unite with the ovum to form a fertilized egg or zygote. The zygote then may implant in the uterus and eventually develop into a fetus.

In the heart, blood flows from the right __________ to the lungs then back to the heart via the left __________.

55% Answer Correctly

	atrium, ventricle
	atrium, atrium
	ventricle, atrium
	ventricle, ventricle

Solution

The two largest veins in the body, the venae cavae, pass blood to the right ventricle which pumps the blood to the lungs through the pulmonary artery. Blood picks up oxygen in the lungs and returns it to the left atrium via the pulmonary vein.

Which of the following states of matter exists at the lowest temperature?

71% Answer Correctly

	solid
	none of these
	liquid
	gas

Solution

Solids exist at a lower temperature than liquids which exist at a lower temperature than gases.

Which of the following does not represent the freezing point of water?

50% Answer Correctly

	32°F
	0°F
	0°C
	273K

Solution

The Fahrenheit scale fixes the freezing point of water at 32°F, the Celsuis scale at 0°C, and the Kelvin scale at 273K.

Generally, an atom has __________ negative electrons orbiting the nucleus as it does positive protons inside.

67% Answer Correctly

	double the number of
	more
	equal numbers of
	fewer

Solution

An electron is a subatomic particle that orbits the nucleus of an atom. It carries a negative electric charge. Generally, an atom has the same number of negative electrons orbiting the nucleus as it does positive protons inside.