General Science - ASVAB (full) test 1: The building blocks of sugars, and the substances used by plants in photosynthesis, are A. oxygen and nitrogen. B. oxygen and carbon dioxide. C. water and carbon dioxide. D. water and oxygen.

C. water and carbon dioxide. C. In photosynthesis, water is split, oxygen is given off as a waste product, and hydrogen is combined with carbon dioxide to form sugars.

General Science - ASVAB (full) test 2: Members of a group that can interbreed and produce fertile offspring are in the same A. kingdom. B. phylum. C. family. D. species.

D. species. D. Only members of the same species meet in the wild and mate to produce fertile offspring.

General Science - ASVAB (full) test 3: The normal body temperature of a person is A. 37° Fahrenheit. B. 37° centigrade. C. 98° Celsius. D. 98° centigrade.

B. 37° centigrade. B. Celsius and centigrade are the same thing. Water boils at 100° centigrade or 212° Fahrenheit.

General Science - ASVAB (full) test 4: A liter is about the same as A. a quart. B. a gallon. C. a pint. D. a half-gallon.

A. a quart. A. A liter is slightly larger than a quart. There are about 33 ounces in a liter, while a quart has 32 ounces.

General Science - ASVAB (full) test 5: When heat is added to water, the added energy A. raises the electrons to a higher energy level. B. makes the molecules move faster. C. splits the molecules apart. D. increases the number of electrons in the molecules.

B. makes the molecules move faster. B. Adding heat to water gives the molecules more kinetic energy, resulting in faster motion. It does not change the energy level of electrons or the number of electrons in the molecules.

General Science - ASVAB (full) test 6: Look at the graph of someone's blood sugar after he or she had been injected with a substance. Which of the following statements is true? A. The person's blood sugar level fell faster than it rose. B. The person had just eaten a big meal. C. The person was injected with glucagon, which converts glycogen to glucose. D. The person was a diabetic.

A. The person's blood sugar level fell faster than it rose. A. The slope of the line is a measure of the rate. Anyone who is injected with insulin has the same type of response.

General Science - ASVAB (full) test 7: Using the drawing of the arm, which of the following statements is true? A. A is a ligament, and C is a tendon. B. A is the biceps muscle, and C is a tendon. C. C is a ligament, and A is a tendon. D. A and C are both tendons.

C. C is a ligament, and A is a tendon. C. Ligaments connect bone to bone and tendons connect bone to muscle.

General Science - ASVAB (full) test 8: There are 2.54 centimeters in 1 inch, 10 millimeters in 1 centimeter, 12 inches in a foot, and 3 feet in a yard. Approximately how many millimeters are in a yard? A. 30 B. 300 C. 390 D. 900

D. 900 D. A yard is slightly less than a meter. Since there are 1,000 millimeters in a meter, there should be slightly less in a yard.

General Science - ASVAB (full) test 9: The expression 35 parts per million (35 ppm) is the same as A. 0.035%. B. 3.5%. C. 0.0035%. D. 0.035%.

C. 0.0035%. C. Parts per million can be converted to parts per hundred by dividing by 10,000 or setting up a proportion. 35 ppm = 0.0035 parts per hundred. hence percentage it is 0.0035%

General Science - ASVAB (full) test 10: Two masses fall 3 meters to the ground. If friction is neglected, when they reach the ground A. both masses have the same speed. B. both masses have the same C. both masses have the same momentum. D. the heavier mass has a higher speed.

A. both masses have the same speed. A. The acceleration of objects in freefall is independent of mass, resulting in the same speed at the end of a fall. The momentum and energy are proportional to the mass.

General Science - ASVAB (full) test 11: The electric current in a metal conductor is carried by A. positive ions. B. electrons. C. both. D. either, depending on the metal.

B. electrons. B. Electrons are the only charges free to move in a metal.

General Science - ASVAB (full) test 12: Which of the following statements about diffusion is false? A. Diffusion is very effective over very short distances. B. Diffusion requires energy to do its work. C. The diffusion of water is called osmosis. D. Diffusion is the movement of molecules from a greater to a lesser concentration.

B. Diffusion requires energy to do its work. B. Diffusion is the movement of molecules of liquid from a greater to a lesser concentration. The diffusion of water is osmosis, and no energy is required as these molecules move down a concentration gradient.

General Science - ASVAB (full) test 13: Based on the geologic diagram below, which of the following statements is not true? A. The slate layer is older than the basaltic intrusion. B. The limestone is not the oldest layer portrayed. C. Basalt is an igneous rock. D. The sandstone layer is older than the basalt.

A. The slate layer is older than the basaltic intrusion. A. According to the Law of Superposition, all other factors being accounted for, the most recent (youngest) geologic layers are on the top. Since the slate layer is closest to the surface, it is the youngest.

General Science - ASVAB (full) test 14: Which of the following is the result of the angle of tilt that the Earth has on its axis? A. day and night B. summer and winter C. continental drift D. different stars visible in Northern and Southern hemispheres

B. summer and winter B. Day and night are the results of the rotation of the earth. Continental drift is often offered as evidence of plate tectonics. While the variable star field may be affected by planetary tilt, the position of the observer relative to the star field is also a major factor. The seasons, choice B, are the result of the directness of the Sun's rays hitting Earth's surface. The primary factor controlling directness of the rays of the Sun is planetary tilt.

General Science - ASVAB (full) test 15: An extinct volcano has steep sides. Rock samples from the immediate area contain both basaltic and granitic rock samples. Excavation of the area reveals alternating layers of ash and lava flows. The volcano was most likely of which volcanic variety? A. cinder cone B. shield cone C. composite cone D. You cannot determine volcanic type from the data provided.

C. composite cone C. The hallmark of a composite cone composition is the mixture of cinder cone characteristics (granitic debris, very steep cone profile, and explosive eruptions) with shield cone characteristics (large footprint with gently sloping sides, basaltic debris, and lava flows).

General Science - ASVAB (full) test 16: When air masses meet, why does warm air rise over cooler air, often causing rain? A. Warm air is less dense than cooler air. B. Warm air is denser than cooler air. C. Cooling air can hold less water vapor than warmer air. D. Cooler air is very volatile.

C. Cooling air can hold less water vapor than warmer air. C. Choice A is a true statement but it does not explain rain, only the motion of the fronts. The motion of the warmer air over cooler air is due to differing densities, but it is the drop in temperature due to increased elevation and contact with cooler air (among other things) that causes the rain. As air cools, its capacity to hold water vapor decreases. As the saturation point is reached, excess water vapor condenses on particles in the air and eventually can fall as rain.

General Science - ASVAB (full) test 17: The process of dividing one cell nucleus into two nuclei is called A. mitosis. B. meiosis. C. cytokinesis. D. cell division.

A. mitosis. A. Mitosis is nuclear division, cytokinesis is cell division, and meiosis is used for sex cell production.

General Science - ASVAB (full) test 18: Sodium ions have a charge of +1. This is because A. they have one more proton than electron. B. they have one more neutron than electron. C. they have one more electron than neutron. D. they have one more proton than neutron.

A. they have one more proton than electron. A. Protons have a positive charge and electrons have a negative charge.

General Science - ASVAB (full) test 19: Which of the following statements is true? A. Electrons are negatively charged and are found in the nucleus of an atom. B. Electrons are negatively charged and are found outside the nucleus. C. Neutrons are positively charged and are found in the nucleus. D. Protons are positively charged and are found outside the nucleus.

B. Electrons are negatively charged and are found outside the nucleus. B. Both protons and neutrons exist in the nucleus, while electrons orbit the nucleus.

General Science - ASVAB (full) test 20: In the lever shown below, a force is exerted on the left side to lift the mass on the right. Assuming the lever is ideal, which of the following is the same on both sides? A. force B. momentum C. velocity D. work

D. work D. The work done by the force is the same as the work done on the load in an ideal simple machine.

General Science - ASVAB (full) test 21: People have 46 chromosomes in each of their cells. How many are in their gametes? A. 46 B. 23 C. 92 D. 2

B. 23 B. Gametes (eggs and sperm) need to have half the normal chromosome number, so that when they combine the correct number appears in the new cell.

General Science - ASVAB (full) test 22: A gas has a volume of 0.25 liter at a pressure of 1 atmosphere. If the volume increases to 0.50 liter, and the temperature remains constant, the new pressure will be A. 1 atmosphere. B. 0.5 atmosphere. C. 0.25 atmosphere. D. 2 atmospheres.

B. 0.5 atmosphere. B. As you decrease the volume, the pressure will increase proportionally, and if you increase the volume, then the pressure will decrease.

General Science - ASVAB (full) test 23: What are the total number of hydrogen atoms represented in the following formula: C6H10(OH)6? A. 6 B. 16 C. 22 D. 60

B. 16 B. The subscript applies to each of the atoms within the parentheses.

General Science - ASVAB (full) test 24: If red flowers were crossed with white flowers and all the resulting flowers were pink, what percentage of a cross between two pinks would be pink? A. 0% B. 25% C. 50% D. 100%

C. 50% C. In this case of incomplete dominance, each pink flower has one gene for red and one for white. When they combine randomly, one-fourth will be white, one-fourth red, and half pink.

General Science - ASVAB (full) test 25: Vaccines work well because they prepare one's A. T-helper cells. B. T-killer cells. C. antibodies. D. memory cells.

D. memory cells. D. Memory cells help us mount quicker responses to antigens we have previously encountered.

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General Science - ASVAB (full) test

General Science - Asvab (Full) Test

by brunellofrank9, Jul. 2009

Subjects: asvab

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	General Science - ASVAB (full) test 1: The building blocks of sugars, and the substances used by plants in photosynthesis, are A. oxygen and nitrogen. B. oxygen and carbon dioxide. C. water and carbon dioxide. D. water and oxygen.	C. water and carbon dioxide. C. In photosynthesis, water is split, oxygen is given off as a waste product, and hydrogen is combined with carbon dioxide to form sugars.
	General Science - ASVAB (full) test 2: Members of a group that can interbreed and produce fertile offspring are in the same A. kingdom. B. phylum. C. family. D. species.	D. species. D. Only members of the same species meet in the wild and mate to produce fertile offspring.
	General Science - ASVAB (full) test 3: The normal body temperature of a person is A. 37° Fahrenheit. B. 37° centigrade. C. 98° Celsius. D. 98° centigrade.	B. 37° centigrade. B. Celsius and centigrade are the same thing. Water boils at 100° centigrade or 212° Fahrenheit.
	General Science - ASVAB (full) test 4: A liter is about the same as A. a quart. B. a gallon. C. a pint. D. a half-gallon.	A. a quart. A. A liter is slightly larger than a quart. There are about 33 ounces in a liter, while a quart has 32 ounces.
	General Science - ASVAB (full) test 5: When heat is added to water, the added energy A. raises the electrons to a higher energy level. B. makes the molecules move faster. C. splits the molecules apart. D. increases the number of electrons in the molecules.	B. makes the molecules move faster. B. Adding heat to water gives the molecules more kinetic energy, resulting in faster motion. It does not change the energy level of electrons or the number of electrons in the molecules.
	General Science - ASVAB (full) test 6: Look at the graph of someone's blood sugar after he or she had been injected with a substance. Which of the following statements is true? A. The person's blood sugar level fell faster than it rose. B. The person had just eaten a big meal. C. The person was injected with glucagon, which converts glycogen to glucose. D. The person was a diabetic.	A. The person's blood sugar level fell faster than it rose. A. The slope of the line is a measure of the rate. Anyone who is injected with insulin has the same type of response.
	General Science - ASVAB (full) test 7: Using the drawing of the arm, which of the following statements is true? A. A is a ligament, and C is a tendon. B. A is the biceps muscle, and C is a tendon. C. C is a ligament, and A is a tendon. D. A and C are both tendons.	C. C is a ligament, and A is a tendon. C. Ligaments connect bone to bone and tendons connect bone to muscle.
	General Science - ASVAB (full) test 8: There are 2.54 centimeters in 1 inch, 10 millimeters in 1 centimeter, 12 inches in a foot, and 3 feet in a yard. Approximately how many millimeters are in a yard? A. 30 B. 300 C. 390 D. 900	D. 900 D. A yard is slightly less than a meter. Since there are 1,000 millimeters in a meter, there should be slightly less in a yard.
	General Science - ASVAB (full) test 9: The expression 35 parts per million (35 ppm) is the same as A. 0.035%. B. 3.5%. C. 0.0035%. D. 0.035%.	C. 0.0035%. C. Parts per million can be converted to parts per hundred by dividing by 10,000 or setting up a proportion. 35 ppm = 0.0035 parts per hundred. hence percentage it is 0.0035%
	General Science - ASVAB (full) test 10: Two masses fall 3 meters to the ground. If friction is neglected, when they reach the ground A. both masses have the same speed. B. both masses have the same C. both masses have the same momentum. D. the heavier mass has a higher speed.	A. both masses have the same speed. A. The acceleration of objects in freefall is independent of mass, resulting in the same speed at the end of a fall. The momentum and energy are proportional to the mass.
	General Science - ASVAB (full) test 11: The electric current in a metal conductor is carried by A. positive ions. B. electrons. C. both. D. either, depending on the metal.	B. electrons. B. Electrons are the only charges free to move in a metal.
	General Science - ASVAB (full) test 12: Which of the following statements about diffusion is false? A. Diffusion is very effective over very short distances. B. Diffusion requires energy to do its work. C. The diffusion of water is called osmosis. D. Diffusion is the movement of molecules from a greater to a lesser concentration.	B. Diffusion requires energy to do its work. B. Diffusion is the movement of molecules of liquid from a greater to a lesser concentration. The diffusion of water is osmosis, and no energy is required as these molecules move down a concentration gradient.
	General Science - ASVAB (full) test 13: Based on the geologic diagram below, which of the following statements is not true? A. The slate layer is older than the basaltic intrusion. B. The limestone is not the oldest layer portrayed. C. Basalt is an igneous rock. D. The sandstone layer is older than the basalt.	A. The slate layer is older than the basaltic intrusion. A. According to the Law of Superposition, all other factors being accounted for, the most recent (youngest) geologic layers are on the top. Since the slate layer is closest to the surface, it is the youngest.
	General Science - ASVAB (full) test 14: Which of the following is the result of the angle of tilt that the Earth has on its axis? A. day and night B. summer and winter C. continental drift D. different stars visible in Northern and Southern hemispheres	B. summer and winter B. Day and night are the results of the rotation of the earth. Continental drift is often offered as evidence of plate tectonics. While the variable star field may be affected by planetary tilt, the position of the observer relative to the star field is also a major factor. The seasons, choice B, are the result of the directness of the Sun's rays hitting Earth's surface. The primary factor controlling directness of the rays of the Sun is planetary tilt.
	General Science - ASVAB (full) test 15: An extinct volcano has steep sides. Rock samples from the immediate area contain both basaltic and granitic rock samples. Excavation of the area reveals alternating layers of ash and lava flows. The volcano was most likely of which volcanic variety? A. cinder cone B. shield cone C. composite cone D. You cannot determine volcanic type from the data provided.	C. composite cone C. The hallmark of a composite cone composition is the mixture of cinder cone characteristics (granitic debris, very steep cone profile, and explosive eruptions) with shield cone characteristics (large footprint with gently sloping sides, basaltic debris, and lava flows).
	General Science - ASVAB (full) test 16: When air masses meet, why does warm air rise over cooler air, often causing rain? A. Warm air is less dense than cooler air. B. Warm air is denser than cooler air. C. Cooling air can hold less water vapor than warmer air. D. Cooler air is very volatile.	C. Cooling air can hold less water vapor than warmer air. C. Choice A is a true statement but it does not explain rain, only the motion of the fronts. The motion of the warmer air over cooler air is due to differing densities, but it is the drop in temperature due to increased elevation and contact with cooler air (among other things) that causes the rain. As air cools, its capacity to hold water vapor decreases. As the saturation point is reached, excess water vapor condenses on particles in the air and eventually can fall as rain.
	General Science - ASVAB (full) test 17: The process of dividing one cell nucleus into two nuclei is called A. mitosis. B. meiosis. C. cytokinesis. D. cell division.	A. mitosis. A. Mitosis is nuclear division, cytokinesis is cell division, and meiosis is used for sex cell production.
	General Science - ASVAB (full) test 18: Sodium ions have a charge of +1. This is because A. they have one more proton than electron. B. they have one more neutron than electron. C. they have one more electron than neutron. D. they have one more proton than neutron.	A. they have one more proton than electron. A. Protons have a positive charge and electrons have a negative charge.
	General Science - ASVAB (full) test 19: Which of the following statements is true? A. Electrons are negatively charged and are found in the nucleus of an atom. B. Electrons are negatively charged and are found outside the nucleus. C. Neutrons are positively charged and are found in the nucleus. D. Protons are positively charged and are found outside the nucleus.	B. Electrons are negatively charged and are found outside the nucleus. B. Both protons and neutrons exist in the nucleus, while electrons orbit the nucleus.
	General Science - ASVAB (full) test 20: In the lever shown below, a force is exerted on the left side to lift the mass on the right. Assuming the lever is ideal, which of the following is the same on both sides? A. force B. momentum C. velocity D. work	D. work D. The work done by the force is the same as the work done on the load in an ideal simple machine.
	General Science - ASVAB (full) test 21: People have 46 chromosomes in each of their cells. How many are in their gametes? A. 46 B. 23 C. 92 D. 2	B. 23 B. Gametes (eggs and sperm) need to have half the normal chromosome number, so that when they combine the correct number appears in the new cell.
	General Science - ASVAB (full) test 22: A gas has a volume of 0.25 liter at a pressure of 1 atmosphere. If the volume increases to 0.50 liter, and the temperature remains constant, the new pressure will be A. 1 atmosphere. B. 0.5 atmosphere. C. 0.25 atmosphere. D. 2 atmospheres.	B. 0.5 atmosphere. B. As you decrease the volume, the pressure will increase proportionally, and if you increase the volume, then the pressure will decrease.
	General Science - ASVAB (full) test 23: What are the total number of hydrogen atoms represented in the following formula: C6H10(OH)6? A. 6 B. 16 C. 22 D. 60	B. 16 B. The subscript applies to each of the atoms within the parentheses.
	General Science - ASVAB (full) test 24: If red flowers were crossed with white flowers and all the resulting flowers were pink, what percentage of a cross between two pinks would be pink? A. 0% B. 25% C. 50% D. 100%	C. 50% C. In this case of incomplete dominance, each pink flower has one gene for red and one for white. When they combine randomly, one-fourth will be white, one-fourth red, and half pink.
	General Science - ASVAB (full) test 25: Vaccines work well because they prepare one's A. T-helper cells. B. T-killer cells. C. antibodies. D. memory cells.	D. memory cells. D. Memory cells help us mount quicker responses to antigens we have previously encountered.

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