ASVAB - General Science Exam 60 Questions with Verified Answers
* Which of these reduces friction?
car brakes
tire tread
ball bearings
sandpaper -
... [Show More] CORRECT ANSWER ball bearings
* If you place bean seeds between moist paper towels and watch the stem leaves appear, you will see a demonstration of
transpiration
germination
fertilization
pollination - CORRECT ANSWER germination
* Any astronomical body that revolves around a larger body is called?
a nova
a comet
a satellite
an asteroid
a meteoroid - CORRECT ANSWER a satellite
* In chemistry, to be classified as an organic substance, a substance must contain
sugar molecules
sodium atoms
carbon atoms
water molecules - CORRECT ANSWER carbon atoms
* Which element does NOT contain any neutrons?
iron
carbon
oxygen
hydrogen - CORRECT ANSWER hydrogen
* Regeneration in man is limited to
reproduction
fertilization
experimentation
healing of wounds - CORRECT ANSWER reproduction
* How many atoms are in a single molecule of water (H2O)?
1
2
3
4 - CORRECT ANSWER 3
* Which of the following is a renewable resource?
copper
aluminum
peanut oil
natural gas - CORRECT ANSWER peanut oil
* When scientists measure a liquid's resistance to flow, they are measuring the liquid's
density
solubility
viscosity
permeability - CORRECT ANSWER viscosity
* The chemical formula of a compound describes the elements the compound contains and the
pH of the compound
conduction of the compound
ratio of elements in the compound
ratio of neutrons to protons in each element - CORRECT ANSWER ratio of elements in the compound
* The filament in an electric light bulb is made from
platinum
fiberglass
aluminum
tungsten - CORRECT ANSWER tungsten
* When sodium atoms form sodium ions, they
share protons
gain neutrons
lose electrons
share photons - CORRECT ANSWER lose electrons
* A perpetual-motion machine can never be built because it is not possible to eliminate:
momentum
inertia
elasticity
friction - CORRECT ANSWER elasticity
* A human skin cell divides by
osmosis
mitosis
glycolysis
hydrolysis - CORRECT ANSWER mitosis
* What are the two main gases that make up stars?
hydrogen and helium
chlorine and fluorine
nitrogen and hydrogen
oxygen and carbon dioxide - CORRECT ANSWER hydrogen and helium
What is the symbol for the hydroxyl ion?
H-
OH-
H2O
H3O - CORRECT ANSWER OH-
The tympanic membranes are also known as the
eye lids
sinuses
ear drums
vocal cords - CORRECT ANSWER ear drums
Choking is prevented by the
diaphragm remaining down
vibration of the vocal cords
esophagus moving the food
epiglottis covering the voice box - CORRECT ANSWER epiglottis covering the voice box
Which of the following actions produce a chemical change?
boiling water
burning the rice
adding salt to the hot water
melting butter on cooked rice - CORRECT ANSWER burning the rice
Which of the following as a non-renewable resource?
wood
water
copper
biomass - CORRECT ANSWER copper
What do a hydrogen molecule and an oxygen molecule have in common?
atomic structure
the charge on each electron
the number of protons
the size - CORRECT ANSWER the charge on each electron
A genus classification contains several related
species
families
orders
phyla - CORRECT ANSWER species
Particles that orbit the nucleus of an atom are
anions
electrons
positrons
photons - CORRECT ANSWER electrons
As a human breathes, air is first warmed and filtered in the
trachea
pharynx
oral cavity
nasal cavity - CORRECT ANSWER nasal cavity
In the food chain described below, which is the tertiary consumer? dandelion---> rabbit ----> fox -----> coyote
dandelion
rabbit
fox
coyote - CORRECT ANSWER coyote
Homo sapiens is the scientific name for
the species that preceded human beings
primates
human beings
mammals - CORRECT ANSWER human beings
The process by which a solid becomes a gas is known as
boiling
sublimation
melting
diffusion - CORRECT ANSWER sublimation
The gravitational force the moon exerts on earth is
less than one half as much as that exerted by the earth on the moon
one half as much as that exerted by the earth on moon
the same as that exerted by the earth on the moon
more than that exerted by the earth on the moon - CORRECT ANSWER the same as that exerted by the earth on the moon
Fungi are organisms that break down dead matter and return the organic material back into the environment for reuse. They are examples of
producers
decomposers
consumers
mutualist - CORRECT ANSWER decomposers
What is the freezing point of water in Kelvin?
-273 K
0 K
100 K
273 K - CORRECT ANSWER 273 K
Tough elastic tissues in the joints that connect bones to bones are called
ligaments
tendons
cartilage
muscles - CORRECT ANSWER ligaments
Stress, a poor diet, cigarette smoking, and hereditary factors all contribute to individuals developing
diarrhea
high blood pressure
gall stones
anemia - CORRECT ANSWER high blood pressure
Which clouds are thin and wispy and occur high in the atmosphere?
cirrus
cumulus
stratus
stratocumulus - CORRECT ANSWER cirrus
Fossils are most likely to be found in which of the following types of rock?
igneous
metamorphic
sedimentary
volcanic - CORRECT ANSWER sedimentary
Animals that consume only plants are called
saprophytes
herbivores
carnivores
omnivores - CORRECT ANSWER herbivores
What type of star is the sun?
red dwarf
blue giant
white dwarf
yellow dwarf - CORRECT ANSWER yellow dwarf
Which of the following is a group of organisms of the same species living in the same region?
biome
ecosystem
community
population - CORRECT ANSWER population
Which one of these planets is NOT an outer planet?
Jupiter
Saturn
Uranus
Earth - CORRECT ANSWER Earth
A boulder that begins to roll down a hill is an example an energy conversation from
potential to thermal
potential to kinetic
kinetic to thermal
kinetic to potential - CORRECT ANSWER potential to kinetic
The lowest layer of the earth's atmosphere is called the
ionosphere
mesosphere
stratosphere
troposphere - CORRECT ANSWER troposphere
According to the law of conservation of energy
energy is the capacity to do work
energy can neither be created or destroyed
energy is possessed by a moving object
energy is stored in an object as a result of its position, shape, or state - CORRECT ANSWER energy can neither be created or destroyed
As an ambulance passes, its pitch seems to change. this perception is best explained by
convection
Newton's Third Law
the Doppler effect
momentum - CORRECT ANSWER the Doppler effect
A concave lens is also known as a
focal point
converging lens
convex lens
diverging lens - CORRECT ANSWER diverging lens
The smallest particle of covalent compound that can exist in a free state and still retain the characteristics of that compound is an
proton
quark
atom
molecule - CORRECT ANSWER molecule
Which of the following is most responsible for oceanic tides?
the orbit of the earth around its own axis
the magnetic polarity of the earth
the orbit of the moon around the earth
the orbit of the earth around the sun - CORRECT ANSWER the orbit of the moon around the earth
In the periodic table of elements, the elements in a column are referred to as a
period
group
configuration
unit - CORRECT ANSWER group
In a chemical change the molecules that enter the reaction are called
reactants
products
compound
elements - CORRECT ANSWER reactants
Which of these undergo metamorphosis?
butterfly
bacteria
snake
chicken - CORRECT ANSWER butterfly
When a lobster grows a claw to replace one that was lost, the process is called? - CORRECT ANSWER regeneration
What is the best explanation of how a smooth round stone became smooth?
Continuous freezing and thawing
Volcanic Action
It fell off the side of a cliff
It was in a stream for a long time - CORRECT ANSWER It was in a stream for a long time
Which of the following enables the pen to work?
Hydraulic force
Capillary action
Centrifugal force
Vacuum pressure - CORRECT ANSWER Capillary action
The term "meiosis" is usually associated with?
Digestion
Respiration
Reproduction
Photosynthesis - CORRECT ANSWER Reproduction
By definition, an aquifer is
A layer of sedimentary rock formed by water deposits
An ocean floor consisting of unconsolidated sediments and muds
River bottom made of gravel and sedimentary rock
Permeable rock that contains or carries water - CORRECT ANSWER River bottom made of gravel and sedimentary rock
Which of the following reproduce by spawning
Butterflies
Birds
Bats
Fish - CORRECT ANSWER Fish
Which of the following is the best illustration of centripetal force
Ice skater spinning on the ice
Skier zigzagging down a slope
Bicycle rider coasting down the street - CORRECT ANSWER Ice skater spinning on the ice
According to their locations on the Periodic Table, argon (Ar) and neon (Ne) are
ionic
radioactive
liquid metals
noble gases - CORRECT ANSWER noble gases
To test the effectiveness of plant fertilizer, groups of plants are grown with different types of fertilizer. A control group of plants would
not be given any fertilizer
be grown with a mixture of all fertilizers
not be needed unless the results were unclear
be grown in a different location from the other groups - CORRECT ANSWER not be given any fertilizer
In a balanced aquatic ecosystem, which of the following would have the greatest population?
fish
crabs
sharks
plankton - CORRECT ANSWER plankton
Using the list, which of the following presents the stages of the water cycle in the correct order?
1. water vapor cools
2. precipitation occurs
3. evaporation occurs
4. condensation occurs
5. sunlight heats pond water
A. 1 => 4 => 2 => 5 => 3
B. 5 => 2 => 1 => 4 => 3
C. 1 => 3 => 2 => 4 => 5
D. 5 => 3 => 1 => 4 => 2 - CORRECT ANSWER D. 5 => 3 => 1 => 4 => 2
Water droplets forming on the inside of a car is - CORRECT ANSWER Condensation [Show Less]