Round #7 Flashcards
*1) GENERAL SCIENCE Multiple Choice Which of the following acids is NOT a flavoring
used in foods?
W) acetic acid
X) lactic acid
Y) citric acid
Z) nitric acid
ANSWER: Z) NITRIC ACID
1) GENERAL SCIENCE Multiple Choice Which of the following is used to focus the electron
beam in an electron microscope?
W) condensers
X) electromagnets
Y) glass lenses
Z) gonculators
ANSWER: X) ELECTROMAGNETS
2) MATH Short Answer What is the square root of 0.49?
ANSWER: 0.7
2) MATH Short Answer Simplify the following algebraic expression: 3x2
+ 4 – (3x + 2 – x2
)
ANSWER: 4x2
– 3x + 2
3) LIFE SCIENCE Multiple Choice Which is not a basic muscle type in the human body?
W) smooth
X) skeletal
Y) ventricular
Z) cardiac
ANSWER: Y) VENTRICULAR
3) LIFE SCIENCE Multiple Choice Stamen is to anther as carpel is to:
W) sepal
X) ovary
Y) egg
Z) pollen
ANSWER: X) OVARY
4) EARTH SCIENCE Multiple Choice Eighty percent of the magma that results from a
volcanic eruption is of what substance?
W) basalt
X) rhyolite
Y) andesite
Z) silicon dioxide
ANSWER: W) BASALT
4) EARTH SCIENCE Multiple Choice Each day, most coastal beaches encounter:
W) one high tide and one low tide
X) two high tides and one low tide
Y) two high tides and two low tides
Z) three high tides and three low tides
ANSWER: Y) TWO HIGH TIDES AND TWO LOW TIDES
5) GENERAL SCIENCE Multiple Choice Which of the following is most typically used as a
unit of measurement for pressure:
W) pascal
X) dyne
Y) weber
Z) tesla
ANSWER: W) PASCAL
*5) GENERAL SCIENCE Multiple Choice Which of the following household items is the best
example of containing matter in the plasma state?
W) fluorescent light
X) toaster oven
Y) blender
Z) microwave oven
ANSWER: W) FLUORESCENT LIGHT
6) EARTH SCIENCE Multiple Choice The last two stars in the bowl of the big dipper point to
which of the following?
W) Vega
X) Cassiopeia
Y) Scorpio
Z) Polaris
ANSWER: Z) POLARIS
6) EARTH SCIENCE Short Answer What is an area on earth that does not receive seismic
waves during an earthquake called?
ANSWER: SHADOW ZONE
*7) PHYSICAL SCIENCE Multiple Choice Certain products have been designed so that
people wearing headphones do not hear the objectionably loud sound from certain machinery
with which they are working. These headphones work based on which one of the following
principles:
W) doppler effect
X) destructive interference
Y) constructive interference
Z) audiopolarization
ANSWER: X) DESTRUCTIVE INTERFERENCE
*7) PHYSICAL SCIENCE Multiple Choice In chemical reactions when bonds between atoms
are broken which of the following is most correct:
W) energy is always needed
X) both heat and light are always emitted
Y) energy is always released
Z) they cannot be repaired
ANSWER: W) ENERGY IS ALWAYS NEEDED
8) MATH Multiple Choice If the average speed of a bicyclist is 2 meters/second for one
kilometer, then the biker must have traveled the entire distance and:
W) stayed at 2 meters/second
X) did not encounter hills
Y) did not stop
Z) took 500 seconds
ANSWER: Z) TOOK 500 SECONDS
8) MATH Short Answer Simplify the following algebraic expression: 2x + 3(y + 3z + x)
ANSWER: 5x + 3y + 9z
9) PHYSICAL SCIENCE Short Answer If the distance separating two charges is tripled, the
force between them decreases by what factor?
ANSWER: 9
*9) PHYSICAL SCIENCE Multiple Choice The reason why a beach ball held under the
surface will pop up when released is because:
W) the buoyant force has a net upward direction
X) gravity is only acting at the surface
Y) the pressure of the water is only in the upward direction
Z) the ball is lighter than air
ANSWER: W) THE BUOYANT FORCE HAS A NET UPWARD DIRECTION
10) MATH Short Answer Reduce
54
18 to its lowest fraction:
ANSWER:
1/3
10) MATH Short Answer Find the value of 4x – 6y if x = -2 and y = -3:
ANSWER: 10
11) LIFE SCIENCE Multiple Choice The receptors in the retina of the eye that detect faint light
and transfer non-color impulses to the brain are:
W) corpuscles
X) rods
Y) cones
Z) axons
ANSWER: X) RODS
11) LIFE SCIENCE Multiple Choice Which of the following does NOT occur in mitosis:
W) DNA synthesis
X) sets of sister chromatids line up singly
Y) sister chromatids separate as the centromere divides
Z) spindle fibers help in the movement of chromosomes
ANSWER: W) DNA SYNTHESIS
10) PHYSICAL SCIENCE Multiple Choice Which of the following is the emission source for
microwaves in a typical microwave oven:
W) small cyclotron
X) cadmium disk bombarded with a soft x-ray source
Y) magnetron
Z) laser lamp
ANSWER: Y) MAGNETRON
*10) PHYSICAL SCIENCE Multiple Choice The red color in firework displays on the Fourth
of July is caused by which element?
W) lithium
X) sodium
Y) copper
Z) iron
ANSWER: W) LITHIUM
13) EARTH SCIENCE Multiple Choice Which of the following is a calcite-rich carbonate
rock:
W) limestone
X) dolostone
Y) shale
Z) sandstone
ANSWER: W) LIMESTONE
13) EARTH SCIENCE Short Answer What is the hot, putty like layer of Earth’s mantle located
from about 75 to 300 kilometers below the surface, where rocks have little strength?
ANSWER: ASTHENOSPHERE
14) LIFE SCIENCE Multiple Choice Which of the following is an example of a multiple fruit?
W) pear
X) grape
Y) pineapple
Z) orange
ANSWER: Y) PINEAPPLE
14) LIFE SCIENCE Short Answer Binomial nomenclature is classically made up of what two
taxonomical terms?
ANSWER: GENUS and SPECIES
15) EARTH SCIENCE Short Answer What is the name of a mixture of molten rock,
suspended mineral grains, and dissolved gases that forms within the crust or mantle of the Earth
when temperatures are sufficiently high?
ANSWER: MAGMA (DO NOT ACCEPT: LAVA)
15) EARTH SCIENCE Multiple Choice A famous downslope wind that occurs in North
America on the East side of the Rocky Mountains is called a:
W) sirocco
X) mistral
Y) foehn
Z) chinook
ANSWER: Z) CHINOOK
16) LIFE SCIENCE Multiple Choice Spallanzani, Reti and Pasteur were all:
W) helpful in disproving the theory of spontaneous generation
X) great Italian chefs
Y) scientists who supported the genetic work of Mendel
Z) supporters of the work of Charles Darwin
ANSWER: W) HELPFUL IN DISPROVING THE THEORY OF SPONTANEOUS
GENERATION
16) LIFE SCIENCE Short Answer What organ of the human body is primarily responsible for
removing abnormal red blood cells from the circulation ?
ANSWER: SPLEEN
17) GENERAL SCIENCE Multiple Choice Which of the following is a gas which presents a
serious risk for cancer to thousands of Americans?
W) Chlorine
X) Argon
Y) Neon
Z) Radon
ANSWER: Z) RADON
17) GENERAL SCIENCE Short Answer What fibrous protein found in nature is well known
by scientists to be stronger by weight than steel?
ANSWER: SILK
18) GENERAL SCIENCE Multiple Choice Which of the following is the boiling point of water
in the Kelvin temperature scale:
W) 212.13
X) 262.17
Y) 373.18
Z) 459.72
ANSWER: Y) 373.18
18) GENERAL SCIENCE Multiple Choice If you want to specify the position of an object you
must use:
W) a reference point
X) its mass
Y) metric units
Z) a meter tape
ANSWER: W) A REFERENCE POINT
19) EARTH SCIENCE Multiple Choice A rising barometer and clear skies indicate an
approaching:
W) warm front
X) high-pressure area
Y) low-pressure area
Z) cold front
ANSWER: X) HIGH-PRESSURE AREA
19) EARTH SCIENCE Multiple choice You find a mineral in the local rock shop. You know
it is composed of carbonate, that it has perfect rhombohedral cleavage, and when you look
through at the text on a nearby newspaper, you find it exhibits the property of double refraction.
This mineral would most likely be which of the following:
W) mica
X) calcite
Y) basalt
Z) halite
ANSWER: X) CALCITE
20) MATH Short Answer What is the least common denominator for the following operation: 1/2 + 2/3 + 4/5?
ANSWER: 30
20) MATH Short Answer If in a sequence of natural numbers, starting with 2, you begin
eliminating every second number after 2, then every third number after 3, then every fourth
number after 4, and so on, what type of numbers will be left?
ANSWER: PRIME NUMBERS
21) PHYSICAL SCIENCE Short Answer Where is the gravitational force the greatest for a
uniform spherical planet:
ANSWER: AT ITS SURFACE
*21) PHYSICAL SCIENCE Multiple Choice Which best explains the idea of conservation of
matter in chemical reactions:
W) atoms are neither created or destroyed
X) the number of reactant molecules must equal the number of product molecules
Y) energy and matter are equivalent
Z) bond are either formed and/or broken
ANSWER: W) ATOMS ARE NEITHER CREATED OR DESTROYED
22) GENERAL SCIENCE Multiple Choice In a mercury barometer, which of the following is
the typically reported height of the column of mercury that is required to balance against the
pressure of 1 atmosphere?
W) 760 millimeters
X) 14 pounds per square inch
Y) 1 meter
Z) 32 inches
ANSWER: W) 760 MILLIMETERS
*22) GENERAL SCIENCE Multiple Choice For a given compound, motion at the molecular
level is:
W) greatest for gases
X) greatest for solid
Y) least for liquids
Z) least for gases
ANSWER: W) GREATEST FOR GASES
23) PHYSICAL SCIENCE Short Answer What is the following statement most commonly
known as: “A body immersed in a fluid is supported by a force equal to the weight of the fluid it
displaces.”
ANSWER: ARCHIMEDES’ PRINCIPLE
*23) PHYSICAL SCIENCE Multiple Choice Boats made of iron and steel will float because:
W) iron and steel are less dense than water
X) the water displaced by the boat weighs more than the boat
Y) surface tension holds the boat up
Z) iron and steel are more dense that water
ANSWER: X) THE WATER DISPLACED BY THE BOAT WEIGHS MORE THAN THE
BOAT
24) LIFE SCIENCE Short Answer A potato is a swollen underground stem that stores food for
the plant. What is the scientific term for the swollen area?
ANSWER: TUBER
24) LIFE SCIENCE Short Answer Give the common colloquial names in respective order for
the following 3 anatomical structures: patella, scapula, hallux
ANSWER: KNEE CAP, SHOULDER BLADE, BIG TOE
25) MATH Short Answer What is the length of the hypotenuse of a right triangle whose other
two sides are 6 and 8 units long?
ANSWER: 10
25) MATH Short Answer If you were to invest $1000 in a savings account that pays 5% simple
annual interest, how much interest in dollars will you earn in 1 year?
ANSWER: $50
