ASVAB/AFCT General Science Exam
Questions and Answers
Citrus fruits include - ANS-Citrus fruits include lemons, limes, oranges, and
grapefruits.(oranges)
What temperature is shown on a Fahrenheit thermometer when a centigrade
thermometer reads 0º? - ANS-Water freezes at 0° on a centigrade or Celsius
thermometer. Water freezes at 32° Fahrenheit.(32 degrees)
The major chemical constituent of a cell, by weight, is - ANS-The major chemical
constituent of a cell by importance is protein but by weight it is water.(water)
Which of the following is NOT a viral disease? - ANS-Syphilis is caused by the
spirochete Treponema pallidum. The spirochete is a type of bacteria.(Syphilis)
Alcoholic beverages contain - ANS-Alcoholic beverages contain grain alcohol. Wood
alcohol is methyl alcohol, which is extremely toxic; drinking it may cause blindness.
Isopropyl alcohol is rubbing alcohol. Glyceryl alcohol is an industrial solvent.(grain
alcohol)
The air around us is composed mostly of - ANS-Nitrogen constitutes about four fifths of
the earth's atmosphere, by volume.(nitrogen)
The process that is responsible for the continuous removal of carbon dioxide from the
atmosphere is - ANS-By the process of photosynthesis, green plants remove carbon
dioxide from the atmosphere and replace it with oxygen.(photosynthesis)
Ringworm is caused by a(n) - ANS-Ringworm is a skin disease caused by a fungus.
(fungus)
Light passes through the crystalline lens in the eye and focuses on the - ANS-Light
enters the eye through the pupil (the opening in the center of the iris), travels through
the transparent crystalline lens, then travels through the vitreous humor (eyeball), and
finally focuses on the retina.
(retina)
Which of the following processes is responsible for the removal of oxygen from the
atmosphere? - ANS-Respiration requires oxygen while photosynthesis requires carbon
dioxide
(respiration)
, The vitamin that helps coagulation of the blood is - ANS-Vitamin K is useful in the
coagulation of blood. Vitamin C prevents scurvy; Vitamin E helps maintain red blood
cells and aids in fertility; and Vitamin D prevents rickets.
(K)
Of the following, the part of a ship that gives it stability by lowering the center of gravity
is the - ANS-The keel is the part of the ship that gives it stability. A bulkhead is a wall,
the anchor keeps the ship from moving, and the prow is the front of the ship(Keel)
To reduce soil acidity, a farmer should use - ANS-Lime is highly alkaline. (lime)
Which of the following will cause Athlete's foot? - ANS-Athlete's foot is caused by a
fungus and could be considered a pathogen. Algae, bacteria, and protozoa are non-
disease causing agents (fungus)
Bacteria of decay help - ANS-Decay bacteria decompose organic compounds of dead
organisms to inorganic compounds, which enrich the soil(enrich soil)
Of the following, the food that contains the largest amount of Vitamin C is - ANS-All
vegetables contain some Vitamin C, and yellow vegetables contain more Vitamin C than
green ones. However, tomatoes contain nearly as much Vitamin C as citrus
fruits(tomatoes)
The cyclotron is used to - ANS-The cyclotron is the machine that splits atoms
(split atoms)
The earth completes one trip around the sun approximately every - ANS-It takes the
earth one year to complete an orbit of the sun. A year contains 365 days, or 52 weeks.
(52 weeks)
Shooting stars" are - ANS-Meteors or "shooting stars" come into the earth's atmosphere
from outer space with high velocity. The resistance offered by the earth's atmosphere
makes these meteors incandescent in flight.
(meteors)
Two children are seated on a seesaw. The first child, seated 4 feet from the center,
weighs 80 pounds. If the second child weighs 40 pounds, how far from the center must
that child sit to balance the seesaw? - ANS-To balance the seesaw, the product of the
weight and the distance from the weight to the fulcrum must be the same for both sides.
Let x = distance from center of seesaw for the second child.
x×40=4×8040x=320x=32040=8feet
(8 feet)
Questions and Answers
Citrus fruits include - ANS-Citrus fruits include lemons, limes, oranges, and
grapefruits.(oranges)
What temperature is shown on a Fahrenheit thermometer when a centigrade
thermometer reads 0º? - ANS-Water freezes at 0° on a centigrade or Celsius
thermometer. Water freezes at 32° Fahrenheit.(32 degrees)
The major chemical constituent of a cell, by weight, is - ANS-The major chemical
constituent of a cell by importance is protein but by weight it is water.(water)
Which of the following is NOT a viral disease? - ANS-Syphilis is caused by the
spirochete Treponema pallidum. The spirochete is a type of bacteria.(Syphilis)
Alcoholic beverages contain - ANS-Alcoholic beverages contain grain alcohol. Wood
alcohol is methyl alcohol, which is extremely toxic; drinking it may cause blindness.
Isopropyl alcohol is rubbing alcohol. Glyceryl alcohol is an industrial solvent.(grain
alcohol)
The air around us is composed mostly of - ANS-Nitrogen constitutes about four fifths of
the earth's atmosphere, by volume.(nitrogen)
The process that is responsible for the continuous removal of carbon dioxide from the
atmosphere is - ANS-By the process of photosynthesis, green plants remove carbon
dioxide from the atmosphere and replace it with oxygen.(photosynthesis)
Ringworm is caused by a(n) - ANS-Ringworm is a skin disease caused by a fungus.
(fungus)
Light passes through the crystalline lens in the eye and focuses on the - ANS-Light
enters the eye through the pupil (the opening in the center of the iris), travels through
the transparent crystalline lens, then travels through the vitreous humor (eyeball), and
finally focuses on the retina.
(retina)
Which of the following processes is responsible for the removal of oxygen from the
atmosphere? - ANS-Respiration requires oxygen while photosynthesis requires carbon
dioxide
(respiration)
, The vitamin that helps coagulation of the blood is - ANS-Vitamin K is useful in the
coagulation of blood. Vitamin C prevents scurvy; Vitamin E helps maintain red blood
cells and aids in fertility; and Vitamin D prevents rickets.
(K)
Of the following, the part of a ship that gives it stability by lowering the center of gravity
is the - ANS-The keel is the part of the ship that gives it stability. A bulkhead is a wall,
the anchor keeps the ship from moving, and the prow is the front of the ship(Keel)
To reduce soil acidity, a farmer should use - ANS-Lime is highly alkaline. (lime)
Which of the following will cause Athlete's foot? - ANS-Athlete's foot is caused by a
fungus and could be considered a pathogen. Algae, bacteria, and protozoa are non-
disease causing agents (fungus)
Bacteria of decay help - ANS-Decay bacteria decompose organic compounds of dead
organisms to inorganic compounds, which enrich the soil(enrich soil)
Of the following, the food that contains the largest amount of Vitamin C is - ANS-All
vegetables contain some Vitamin C, and yellow vegetables contain more Vitamin C than
green ones. However, tomatoes contain nearly as much Vitamin C as citrus
fruits(tomatoes)
The cyclotron is used to - ANS-The cyclotron is the machine that splits atoms
(split atoms)
The earth completes one trip around the sun approximately every - ANS-It takes the
earth one year to complete an orbit of the sun. A year contains 365 days, or 52 weeks.
(52 weeks)
Shooting stars" are - ANS-Meteors or "shooting stars" come into the earth's atmosphere
from outer space with high velocity. The resistance offered by the earth's atmosphere
makes these meteors incandescent in flight.
(meteors)
Two children are seated on a seesaw. The first child, seated 4 feet from the center,
weighs 80 pounds. If the second child weighs 40 pounds, how far from the center must
that child sit to balance the seesaw? - ANS-To balance the seesaw, the product of the
weight and the distance from the weight to the fulcrum must be the same for both sides.
Let x = distance from center of seesaw for the second child.
x×40=4×8040x=320x=32040=8feet
(8 feet)
