ASVAB Test A
ASVAB | The United States Armed Forces Test
- 1.
The Function of an enzyme is to?
- A.
Provide energy for a chemical reaction
- B.
Speed up a chemical reaction
- C.
Become hydrolyzed during a chemical reaction
- D.
Serve as an inorganic catalyst
Correct Answer
B. Speed up a chemical reaction -
- 2.
A one-kilogram mass is dropped from a height of 1 meter. Its kinetic energy just before it hits the ground is about?
- A.
1 joule
- B.
10 joules
- C.
100 joules
- D.
1,000 joules
Correct Answer
B. 10 joules -
- 3.
The DNA of a cell is found mainly in its?
- A.
Membrane
- B.
Cytoplam
- C.
Vacuoles
- D.
Chromosomes
Correct Answer
D. Chromosomes -
- 4.
Most cells without a cell wall also lack?
- A.
Mitochondria
- B.
Chloroplasts
- C.
Cell membranes
- D.
Vacuoles
Correct Answer
B. Chloroplasts -
- 5.
The Cells that can easily be scraped from the lining of the mouth make up?
- A.
Connective tissue
- B.
Epithelial tissue
- C.
Supporting tissue
- D.
Voluntary tissue
Correct Answer
B. Epithelial tissue -
- 6.
The end product of protein digestion consists of?
- A.
Glucose
- B.
Fatty acids
- C.
Glycerol
- D.
Amino acids
Correct Answer
D. Amino acids -
- 7.
Blood circulation from the lungs goes directly to the?
- A.
Legs
- B.
Head
- C.
Heart
- D.
Digestive system
Correct Answer
C. Heart -
- 8.
The glucose content of the blood is regulated by?
- A.
Insulin and adrenaline
- B.
Nerve stimulation
- C.
ACTH
- D.
Progesterone
Correct Answer
A. Insulin and adrenaline -
- 9.
The ocean current that extends from Florida across the Atlantic Ocean to Eurupe is?
- A.
El Niño
- B.
The Japan Current
- C.
The Gulf Stream
- D.
The Southwest countercurrent
Correct Answer
C. The Gulf Stream -
- 10.
The member of the solar system with the shortest period of solar revolution is?
- A.
Lo
- B.
Jupiter
- C.
Mercury
- D.
Halley's Comet
Correct Answer
C. Mercury -
- 11.
The type of meteorological system with the highest-velocity winds is the?
- A.
Thunderstorm
- B.
Tornado
- C.
Hurricane
- D.
Sea breeze
Correct Answer
B. Tornado -
- 12.
A 120-volt electrical power suppy produces two amperes to th load. The power delivered is?
- A.
60 watts
- B.
60 ohms
- C.
240 watts
- D.
240 ohms
Correct Answer
C. 240 watts -
- 13.
Frictional Forces usually fo NOT?
- A.
Oppose motion
- B.
Decrease kinetic energy
- C.
Increase potential energy
- D.
Produce wear
Correct Answer
C. Increase potential energy -
- 14.
A magnifing glass is what kind of lens used on objects how far away?
- A.
Convex lens used closer than one focal length
- B.
Concave lens used closer than one focal length
- C.
Convex lens used beyond one focal length
- D.
Concave lens used beyond one focal length
Correct Answer
A. Convex lens used closer than one focal length -
- 15.
The mass of one cubic meter of water is approximately
- A.
1 kilogram
- B.
10 kilograms
- C.
100 kilograms
- D.
1,000 kilograms
Correct Answer
D. 1,000 kilograms -
- 16.
A magnetic compass point in the direction of?
- A.
True north
- B.
The geographic North Pole
- C.
The magnetic North Pole
- D.
The local magnetic field
Correct Answer
D. The local magnetic field -
- 17.
The half-life of iodine-131 (I-131 for short) is 8 days. Approximately how long would it take for 16 milligrams of I-131 to decay to a half milligram of I-131?
- A.
4 days
- B.
8 days
- C.
14 days
- D.
32 days
Correct Answer
D. 32 days -
- 18.
A gaseous product of the fermentation of sugar is?
- A.
Carbon monoxide
- B.
Carbon dioxide
- C.
Sulfur dioxide
- D.
Oxygen
Correct Answer
B. Carbon dioxide -
- 19.
Nitrates can be vary useful as?
- A.
Detergents
- B.
Fertilizers
- C.
Fuels
- D.
Solvents
Correct Answer
B. Fertilizers -
- 20.
- A.
15
- B.
18
- C.
21
- D.
29
Correct Answer
C. 21 -
- 21.
Which substance can be used to treat drinking water of questionable purity?
- A.
Ammonia
- B.
Chlorine
- C.
Hydrogen chloride
- D.
Iodine
Correct Answer
D. Iodine -
- 22.
A viral infection in humans characterized by a very long time between the initial exposure and the exhibition of symptoms is?
- A.
AIDS
- B.
Measles
- C.
Pneumonia
- D.
Chicken pox
Correct Answer
A. AIDS -
- 23.
The beneficial relationship between termites and the protozoa that inhabit their digestive systems is called?
- A.
Symbiosis
- B.
Parthenogenesis
- C.
Mitosis
- D.
Phagocytosis
Correct Answer
A. Symbiosis -
- 24.
Erosion and depletion are problems associated with?
- A.
Blood circulation
- B.
The ozone layer
- C.
Soil conservation
- D.
Cardiovascular exercise
Correct Answer
C. Soil conservation -
- 25.
The particle with a ________________ charge in the nucleus of an atom is a(n) _________________.
- A.
Positive, electron
- B.
Positive, proton
- C.
Negative, neutron
- D.
Neutral, positron
Correct Answer
B. Positive, proton -
- 26.
The four forces that act on an aircraft in flight are
- A.
Lift, thrust, friction, and inertia
- B.
Lift, gravity, thrust, and drag
- C.
Thrust, vector, speed, and fluid density
- D.
Lift, downdraft, thrust, and vector
Correct Answer
B. Lift, gravity, thrust, and drag -
- 27.
Electrons have a ________________ charge
- A.
Positive
- B.
Negative
- C.
Neutral
- D.
Variable
Correct Answer
B. Negative -
- 28.
Antibodies
- A.
Identify and neutralize foreign objects inside the body
- B.
Bond with antigens to keep the body's hormones balanced
- C.
Prevent infection by blocking access to the circulatory system
- D.
Are produced by the endocrine system
Correct Answer
A. Identify and neutralize foreign objects inside the body -
- 29.
A gamete is a cell that
- A.
Fuses with a zygote during fertilization
- B.
Provides nutritional support to developing fetus
- C.
Fuses with another gamete during fertilization
- D.
Fuses with a spermatid before fertilization
Correct Answer
C. Fuses with another gamete during fertilization -
- 30.
What is the smallest part of matter that retains the chemical properties characteristic of a particular element?
- A.
Isotope
- B.
Molecule
- C.
Electron
- D.
Atom
Correct Answer
D. Atom -
- 31.
The average distance of the Earch from the sun is about?
- A.
240,000 miles
- B.
19 million miles
- C.
93 million miles
- D.
240 million miles
Correct Answer
C. 93 million miles -
- 32.
Humans have _____ pairs of chromosomes.
- A.
13
- B.
23
- C.
46
- D.
47
Correct Answer
B. 23 -
- 33.
What is the scientific study of human culture called?
- A.
Sociology
- B.
Archaeology
- C.
Anthropology
- D.
Scientology
Correct Answer
C. Anthropology -
- 34.
What are the five major layers of Earth's Atmosphere, in order from the Earch's surface upward?
- A.
Troposphere, stratosphere, mesosphere, thermosphere, exosphere
- B.
Troposphere, stratosphere, ionoshere, exosphere
- C.
Troposphere, tropopause, ionosphere, stratosphere, exosphere
- D.
Mesosphere, stratosphere, troposphere, tropopause
Correct Answer
A. Troposphere, stratosphere, mesosphere, thermosphere, exosphere -
- 35.
Which of the following is not usually a gas at room temperature?
- A.
Oxygen
- B.
Fluorine
- C.
Sulfur
- D.
Argon
Correct Answer
C. Sulfur -
- 36.
A substance that speed up chemical reactions is a(n)?
- A.
Accelerator
- B.
Adipose
- C.
Compound
- D.
Catalyst
Correct Answer
D. Catalyst -
- 37.
Spiders are
- A.
Marsupials
- B.
Insects
- C.
Arachnids
- D.
Annelids
Correct Answer
C. Arachnids -
- 38.
What type of blood vessel carries blood from the other parts of the body to the heart?
- A.
Capillaries
- B.
Veins
- C.
Arteries
- D.
Aortas
Correct Answer
B. Veins -
- 39.
Which is the correct sequence of objects in the solar system, moving outward from the sun?
- A.
Mercury, Venus, Earch, asteroid belt, Mars Jupiter
- B.
Mars,asteroid belt, Jupiter, Saturn, Neptune
- C.
Mars,asteroid belt, Jupiter, Saturn, Uranus
- D.
Mars,asteroid belt, Saturn, Jupiter Neptune
Correct Answer
C. Mars,asteroid belt, Jupiter, Saturn, Uranus -
- 40.
A person's appearane resulting from his or her genetic makeup is called a person's
- A.
Genotype
- B.
Individual apparent mutation
- C.
Phenotype
- D.
Source of heredity
Correct Answer
C. Phenotype -
- 41.
When a plant performs photosysnthesis, it produces ___________ as a by-product.
- A.
Carbon dioxide
- B.
Oxygen
- C.
Water
- D.
Methane
Correct Answer
B. Oxygen -
- 42.
The speed of light in a vacuum is about
- A.
186,000 miles per hour
- B.
186,000 kilometers per hour
- C.
186,000 miles per second
- D.
186,000 feet per second squared
Correct Answer
C. 186,000 miles per second -
- 43.
When atoms and molecules pass thermal energy be direct contact, it is known as
- A.
Conduction
- B.
Convection
- C.
Insulation
- D.
Swapping paint.
Correct Answer
A. Conduction -
- 44.
The basic unit of heart is the calorie, which is the amount of heart need to
- A.
Raise the temperature of 1 ounce of water 1 degree Fahrenheit
- B.
Raise the temperature of 1 gram of water 1 degree Celsius
- C.
Change the temperature of 1 kilo of water 1 degree Kelvin
- D.
Lower the temperature of 1 quart of water 1 degree Celcius
Correct Answer
B. Raise the temperature of 1 gram of water 1 degree Celsius -
- 45.
The temperature of the atmosphere falls during the nighttime hour because?
- A.
The side of the earth not facing the sun loses heat by convection
- B.
The side of the earth facing the sun loses heat by evaporation
- C.
The side of the earth not facing the sun loses heat by radiation
- D.
People set their thermostats lowers when they go to bed
Correct Answer
C. The side of the earth not facing the sun loses heat by radiation -
- 46.
The number of protons in an atom's nucleus determines its
- A.
Half-life
- B.
Atomic number
- C.
Orbital shell diameter(s)
- D.
Magnetic resonance
Correct Answer
B. Atomic number -
- 47.
Kwashiorkor would probably be caused by a diet deficient in
- A.
Fruits and vegetables
- B.
Meat, eggs, and dairy products
- C.
Yellow and green leaf vegetables
- D.
Starchy plants
Correct Answer
B. Meat, eggs, and dairy products -
- 48.
A vibrating tuning fork, placed in a vacuum under a bell jar, will
- A.
Have the pitch of its sound raised
- B.
Have the pitch of its sound lowered
- C.
Be inaudible
- D.
Crack the think glass of the bell jar.
Correct Answer
C. Be inaudible -
- 49.
What are examples of human diseases caused by bacteria?
- A.
Tuberculosis, diphtheria, and anthrax
- B.
Cholera, rickets, and typhoid fever
- C.
Influnza, cholera, and scurvy
- D.
Cancer, tuberculosis, plague
Correct Answer
A. Tuberculosis, diphtheria, and anthrax -
- 50.
The "twinkling" of stars in the night sky is causes by
- A.
Doppler shift over light-years of distance
- B.
Solar flares on the surface of the star in question
- C.
Variations in the Earth's atmosphere
- D.
Wavelength perturbations caused by solar wind
Correct Answer
C. Variations in the Earth's atmosphere -
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