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ASVAB Test/426 Questions with 100% Accurate Answers
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ASVAB Test/426 Questions with 100% Accurate Answers
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ASVAB Test/426 Questions with 100%Accurate Answers
the function of an enzyme is to ___ - -speed up a chemical reaction
-one kilogram mass is dropped from a heigh of 1 meter. its kinetic energy
just before it hits the ground is about ___ - -10 joules
-the DNA of a cell is found mainly in its ___ - -chromosomes
-most cells without a cell wall also lack ___ - -chloroplasts
-the cells that can easily be scraped from the lining of the mouth make up
___ - -epithelial tissue
-the end product of protein digestion consists of ___ - -amino acids
-blood circulation from the lungs goes directly to the ___ - -heart
-the glucose content of the blood is regulated by ___ - -insulin and
adrenaline
-the ocean current that extends from florida across the atlantic ocean to
europe is ___ - -the gulf stream
-the member of the solar system with the shortest period of solar revolution
is ___ - -mercury
-the type of meteorological system with the highest velocity winds is the ___
- -tornado
-geology is the study of ___ - -the formation and composition of the earth
-frictional forces usually do not ___ - -increase potential energy
-a magnifying glass is what kind of lens used on objects how far away? - -
convex lens used closer than one focal length
-the mass of one cubic meter of water is approximately ___ - -1,000kg
-a magnetic compass points in the direction of ___ - -the local magnetic field
, -the half life of iodine 131 (I-131 for short) is 8 days. approximately how long
would it take for 16mg of I-131 to decay to half milligram of I-131? - -40
days
-a gaseous product of the fermentation of sugar is ___ - -carbon dioxide
-nitrates can be very useful in ___ - -fertilizers and preserving meats
-the number of atoms in a molecule of CuSO4 - 5H2O is ___ - -21
-which substance can be used to treat drinking water of questionable purity?
- -iodine
-a viral infection in humans characterized by a very long time between the
initial exposure and the exhibition of symptoms is ___ - -AIDS
-the beneficial relationship between termites and the protozoa that inhibit
their digestive systems is called ___ - -symbiosis
-erosion and depletion are problems associated with ___ - -soil conservation
-the particle with a ___ charge in the nucleus of an atom is a ____ - -positive;
proton
-the four forces that act on an aircraft in flight are ___ - -lift, gravity, thrust,
drag
-electrons have a ___ charge - -negative
-antibodies ___ - -identify and neutralize foreign objects inside the body
-a gamete is a cell that ___ - -fuses with another gamete during fertilization
-what is the smallest particle of matter that retains the chemical properties
characteristic of a particular element? - -atom
-the average distance from the earth to the sun is about ___ - -93 million
miles
-humans have ___ pairs of chromosomes - -23
-the scientific study of human culture is called ___ - -anthropology
-what are the five major layers of earth's atmosphere, in order from the
earths surface upward? - -troposphere, stratosphere, mesosphere,
thermosphere, and exosphere
,-which of the following is not usually a gas at room temperature? - -sulfur
-a substance that speeds up chemical reactions is a ___ - -catalyst
-spiders are ___ - -arachnids
-what type of blood vessel carries blood from the other parts of the body to
the heart? - -veins
-which is the correct sequence of objects in the solar system moving away
from the sun? - -mars, asteroid belt, jupiter, saturn uranus
-a person's appearance resulting from his or her genetic makeup is called
the person's ___ - -phenotype
-when a plant performs photosynthesis, it produces ___ as a by-product - -
oxygen
-the speed of light in a vacuum is about ___ - -186,000 miles per second
-when atoms and molecules pass thermal energy by direct contact, it is
known as ___ - -conduction
-the basic unit of heat is the calorie, which is the amount of heat needed to
___ - -raise the temperature of 1g of water to 1 degree celsius
-the temperature of the atmosphere falls during the nighttime hours
because ___ - -the side of the earth not facing the sun loses heat by
radiation
-the number of protons in an atoms nucleus determines its ___ - -atomic
number
-kwashiorkor would probably be caused by a diet deficient in ___ - -meat,
eggs, and dairy products
-a vibrating tuning fork placed in a vacuum under a bell jar will ___ - -be
audible
-what are examples of human diseases caused by bacteria? - -tuberculosis,
diphtheria, anthrax
-the twinkling of stars in the night sky is caused by ___ - -variations in the
earths atmosphere
, -the earth has ___ major oceans that together hold about ___ of the planets
water - -4; 96%
-an amphibian can best be described as ___ - -a cold blooded smooth
skinned vertebrate capable of living both on land and in water
-the most accurate description of the earth's atmosphere is that it is
composed of ___ - -21% oxygen, 78% nitrogen, .03% carbon dioxide, trace
amounts of rare gases, water vapor, and some dust particles
-the apogee of an orbiting object refers to ___ - -the point in an orbit that is
farthest from the body being orbited
-the reaction between sodium, metal, and water can be classified as ___ - -
single replacement
-the planet farthest from the sun is ___ - -pluto
-tides are caused primarily by the ___ - -gravitational pull of the sun and
moon on earth's oceans and seas
-the rotation of the earth around its axis causes ___ - -day and night
-science can be divided into life, physical, and earth sciences. life sciences
include ___ - -botany, biology, and zoology
-scientific problem solving follows a pattern of actions called the scientific
method, which involves the steps of observation: - -hypothesis, experiment,
theory, and principle
-the balanced internal environment of a human cell and the human
organism as a whole is called ___ - -homeostasis
-all living systems must be able to perform certain biochemical and
biophysical activities known as life functions, which include ___ - -respiration,
circulation, and reproduction
-although there are some differences between plant and animal cells, all
cells have the same basic structure, which includes organelles (cell parts)
known as ___ - -the cell membrane, nucleus, and ribosomes
-the main difference(s) between plant and animal cells are ___ - -plant cells
have cell walls and chloroplasts
animal cells sometimes have flagella or cilia
-living things are generally referred to using their ___ - -genes and species
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