Round #10 Flashcards
*1) GENERAL SCIENCE Multiple Choice Fungi are usually spread most effectively by:
W) water born hyphae
X) airborne spores
Y) animal ingestion of spores
Z) soil germination of seeds
ANSWER: X) AIRBORNE SPORES
*1) GENERAL SCIENCE Multiple Choice When using a compound light microscope, which
of the following is the proper procedure for focusing?
W) begin with a low power objective and use only course focus when using the high power objective
X) begin with a high power objective and use only fine focus when using the low power objective
Y) begin with a low power objective and use only fine focus when using the high power objective
Z) begin with a high power objective and use only course focus when using the low power objective
ANSWER: Y) BEGIN WITH A LOW POWER OBJECTIVE AND USE ONLY FINE FOCUS
WHEN USING THE HIGH POWER OBJECTIVE
2) MATH Short Answer Factor the following quadratic equation: x2 + 6x + 9
ANSWER: ( ) x + 3 ( ) x + 3)) or ( )2
2) MATH Short Answer If you count from 1 to 100, how many 9’s will you pass on the way?
ANSWER: 20
3) MATH Multiple Choice Which of the following is a binomial?
W) 2
2 x
X) 5 2 2 x + x −
Y) π
Z) x − 2
ANSWER : Z) x − 2
3) MATH Short Answer What are all the integral factors of the number 22?
ANSWER: 1, 2, 11, 22 (ACCEPT: + or - 1, 2, 11, 22)
4) LIFE SCIENCE Multiple Choice During photosynthesis, for every molecule of glucose that
is made, how many molecules of carbon dioxide and water are consumed?
W) six carbon dioxide molecules and six water molecules
X) four carbon dioxide molecules and four water molecules
Y) twelve carbon dioxide molecules and twelve water molecules
Z) six carbon dioxide molecules and twelve water molecules
ANSWER: W) SIX CARBON DIOXIDE MOLECULES AND SIX WATER MOLECULES
4) LIFE SCIENCE Multiple Choice Which of the following best describes antibodies:
W) a class of polysaccharides involved in the immune system
X) a group of proteins made by plasma cells in response to a foreign substance
Y) small bodies of insects that look like ants
Z) a class of genes produced by the immune system to fight disease
ANSWER: X) A GROUP OF PROTEINS MADE BY PLASMA CELLS IN RESPONSE TO
A FOREIGN SUBSTANCE
5) EARTH SCIENCE Multiple choice If wind speeds in a storm are clocked in excess of 200
mph, this is most likely a measurement within a :
W) typical thunder storm
X) tornado
Y) hurricane
Z) microburst
ANSWER: X) TORNADO
5) EARTH SCIENCE Multiple Choice S-waves produced by earthquakes, do not travel
through the Earth’s:
W) crust
X) mantle
Y) outer core
Z) lithosphere
ANSWER: Y) OUTER CORE
6) PHYSICAL SCIENCE Multiple Choice What causes skin to sunburn after prolonged
exposure to sunlight?
W) infrared light
X) X-rays
Y) ultraviolet light
Z) cosmic rays
ANSWER: Y) ULTRAVIOLET LIGHT
6) PHYSICAL SCIENCE Short Answer An automobile traveling at 100 kilometers per hour
has how many more times the kinetic energy than the same vehicle traveling at 50 kilometers per
hour?
ANSWER: 4 TIMES
*7) PHYSICAL SCIENCE Multiple Choice The melting of lead, the freezing of water, and the
sublimation of dry ice, are all examples of which of the following:
W) chemical reactions
X) separation processes
Y) condensation processes
Z) physical changes
ANSWER: Z) PHYSICAL CHANGES
*7) PHYSICAL SCIENCE Short Answer If a 90 kilogram object displaces 30 kilograms of
water when immersed, what will its apparent weight be?
ANSWER: 60 KILOGRAMS (ACCEPT: 60 KG OR 60,000 GRAMS OR 600 NEWTONS)
*8) GENERAL SCIENCE Multiple Choice Which of the following temperatures in degrees
Centigrade most likely corresponds to the hottest day on record anywhere in the USA:
W) 26 degrees C
X) 41 degrees C
Y) 57 degrees C
Z) 65 degrees C
ANSWER: Y) 57 DEGREES C
*8) GENERAL SCIENCE Multiple Choice We know from solar eclipses that the Moon and
the Sun appear in the sky to be:
W) about the same diameter
X) much different in size
Y) in orbit around the Earth
Z) moving on a collision course
ANSWER: W) ABOUT THE SAME DIAMETER
9) LIFE SCIENCE Short Answer The spines of cacti are a modification of what plant
structure?
ANSWER: LEAF
9) LIFE SCIENCE Multiple Choice Which of the following cells would typically be capable of
the greatest amount of phagocytosis
w) plasma cells
X) lymphocytes
Y) mast cells
Z) macrophages
ANSWER: Z) MACROPHAGES
10) MATH Multiple Choice Which of the following is TRUE of the following equation:
3x + 9 = 9 + 3x
W) the equation is conditional
X) the equation is an identity
Y) it is an equation with no solution
Z) the equation has an infinite number of solutions
ANSWER: X) THE EQUATION IS AN IDENTITY
10) MATH Short Answer What 3 consecutive numbers add up to 39?
ANSWER: 12, 13, AND 14
11) EARTH SCIENCE Multiple Choice The San Andreas Fault in California is an example of
what type of plate margin:
W) divergent margin
X) convergent margin
Y) transform fault margin
Z) subduction margin
ANSWER: Y) TRANSFORM FAULT MARGIN
11) EARTH SCIENCE Short Answer Order the following minerals from the hardest to the
softest: Corundum; Quartz; Fluorite
ANSWER: CORUNDUM; QUARTZ; FLUORITE
12) PHYSICAL SCIENCE Multiple Choice Which of the following is largely responsible for
the characteristic bad odor of a rotten egg?
W) sulfuric acid
X) hydrogen sulfide
Y) sodium chloride
Z) nitrogen oxide
ANSWER: X) HYDROGEN SULFIDE
*12) PHYSICAL SCIENCE Multiple Choice Which of the following solutions will conduct
electricity the best?
W) sugar and distilled water
X) alcohol and distilled water
Y) sodium chloride and distiller water
Z) moth balls and alcohol
ANSWER: Y) SODIUM CHLORIDE AND DISTILLER WATER
13) GENERAL SCIENCE Short Answer If Todd weighs 88 pounds, rounded to the nearest
whole number, how much does he weigh in kilograms?
ANSWER: 40
*13) GENERAL SCIENCE Multiple Choice Which of the following U.S. year 2001 coins is
closest in diameter to 2 cm?
W) a dollar
X) a quarter
Y) a dime
Z) a penny
ANSWER: Z) A PENNY
14) EARTH SCIENCE Short Answer How many times does the Moon appear as half-full
during a single lunar cycle?
ANSWER: 2
14) EARTH SCIENCE Multiple Choice Which of the following is true of the Hawaiian chain
of islands:
W) they show increasing age from the northwest to the southeast
X) they are thought to be the result of the lithosphere moving over a hot spot
Y) they represent what could happen when plates interact at a convergent boundary
Z) all the islands have approximately the same age
ANSWER: X) THEY ARE THOUGHT TO BE THE RESULT OF THE LITHOSPHERE
MOVING OVER A HOT SPOT
*15) PHYSICAL SCIENCE Multiple Choice A figure skater who, while spinning in place,
pulls her arms in to increase her rotational speed, is most closely exhibiting which of the
following:
W) conservation of angular momentum
X) centrifugal force
Y) satellite motion
Z) centripetal acceleration
ANSWER: W) CONSERVATION OF ANGULAR MOMENTUM
*15) PHYSICAL SCIENCE Multiple Choice The centrifugal effect perceived by a person on a
carousel is most accurately attributed to which of the following:
W) friction
X) a stationary frame of reference
Y) constant velocity and accelerating angular momentum
Z) inertia
ANSWER: Z) INERTIA
16) MATH Short Answer Add the following: + + = 12
1 1
3
1 2
2
1 3
ANSWER: 6 11/12
16) MATH Short Answer What is the average speed, in miles per hour, of a person who travels
120 miles in 3 hours, 40 miles the next 3 hours, and 36 miles the following 2 hours?
ANSWER: 24.5 (ACCEPT: 24 – 25)
*17) EARTH SCIENCE Short Answer The red color of Navajo sand stone is primarily
because of the presence of what element?
ANSWER: IRON
17) EARTH SCIENCE Multiple Choice It is estimated that the temperature of the Earth’s core
is:
W) as hot as the surface of the sun
X) much hotter than the surface of the sun
Y) much cooler than the surface of the sun
Z) it cannot be estimated
ANSWER: W) AS HOT AS THE SURFACE OF THE SUN
*18) EARTH SCIENCE Multiple Choice If the full moon rises in Nebraska at about 9 p.m.,
which of the following will most likely be the approximate time it rises the next day?
W) 7:30 p.m.
X) 8:45 p.m.
Y) 9:00 p.m.
Z) 9:50 p.m.
ANSWER: Z) 9:50 P.M.
18) EARTH SCIENCE Short Answer Name 2 places on earth where continental glaciers exist:
ANSWER: ANTARCTICA AND GREENLAND
19) LIFE SCIENCE Multiple Choice Which of the following is a monocot:
W) Acer rubrum
X) Quercus rubra
Y) Zea maize
Z) Echinacea angustifolia
ANSWER: Y) Zea maize
*19) LIFE SCIENCE Multiple Choice Which of the following is TRUE about a typical liver
cell:
W) most genes are arranged in operon-like clusters
X) it has very few mitochondria
Y) most genes are transcribed continuously
Z) most of the DNA does not code for proteins
ANSWER: Z) MOST OF THE DNA DOES NOT CODE FOR PROTEINS
20) MATH Short Answer How many degrees are in one internal angle of a regular pentagon?
ANSWER: 108°
20) MATH Short Answer A farmer wishes to make a straight barbed wire fence 80 feet long.
He wants to have a fence post every 8 feet. How many fence posts does he need?
ANSWER: 11
21) LIFE SCIENCE Multiple Choice Which of the following is the best description of a cell
membrane also known as the plasma membrane?
W) it is permeable and made of mostly proteins
X) it is semi-permeable and made mostly of proteins in a lipid bilayer
Y) it is impermeable and made up mostly of lipids
Z) it is a fluid mosaic composed of a protein bilayer
ANSWER: X) IT IS SEMI-PERMEABLE AND MADE MOSTLY OF PROTEINS IN A
LIPID BILAYER
*21) LIFE SCIENCE Multiple Choice The development of embryonic cells that allows them
to become different specialized cells of different organs and tissue and then function in very
different ways in an adult organism is best explained by which of the following:
W) they have evolved different genomes
X) they each contain different genes
Y) they use different genetic codes
Z) different genes are expressed or turned on and off in different cells
ANSWER: Z) DIFFERENT GENES ARE EXPRESSED OR TURNED ON AND OFF IN
DIFFERENT CELLS
*22) PHYSICAL SCIENCE Multiple Choice To describe a force you must give:
W) the origin of the force
X) its magnitude
Y) the mass of an object
Z) its direction and magnitude
ANSWER: Z) ITS DIRECTION AND MAGNITUDE
*22) PHYSICAL SCIENCE Short Answer Order the following substances from the LEAST
dense to the MOST dense: gold, water at 1°C, water at 4°C, iron
ANSWER: WATER AT 1°C; WATER AT 4°C; IRON; GOLD
*23) GENERAL SCIENCE Short Answer A person who had polydactylia would have too
many of what?
ANSWER: DIGITS (ACCEPT: FINGERS AND/OR TOES)
*23) GENERAL SCIENCE Short Answer Consider a tree that grows 20 centimeters taller each
year. If you marked a spot 100 centimeters from ground level up the trunk of the tree, about how
high from the ground would the mark be in 6 years?
ANSWER: 100 CENTIMETERS [ACCEPT: BETWEEN 90-110 CENTIMETERS]
24) GENERAL SCIENCE Short Answer Which of the following is the largest in length? A
light year, 1,860,000 miles, a parsec, a furlong, a hectometer
ANSWER: A PARSEC
*24) GENERAL SCIENCE Short Answer Order the following from the most acidic to the most
basic: household liquid ammonia, milk, tomato juice, pure water.
ANSWER: TOMATO JUICE, PURE WATER, MILK, HOUSEHOLD LIQUID AMMONIA
25) LIFE SCIENCE Multiple Choice Passive transport differs mostly from active transport
since passive transport requires:
W) ATP
X) spectrin proteins
Y) no energy
Z) mitochondria
ANSWER: Y) NO ENERGY
*25) LIFE SCIENCE Multiple Choice After taking 20 readings of the outside winter air
temperature during an experiment, Kathy realizes that the first reading is more than 20% higher
than all the following readings. She quickly remembers that she forgot to allow the thermometer,
which was stored in a warm room, to adjust to the outside temperature. Which of the following is
the most appropriate solution to her problem of what seems to be an experimental error:
W) discuss the error with the other scientists and then discard the reading
X) repeat the experiment, and if no other readings are unusually high she can discard the initial
high reading as long as she explains why
Y) repeat the experiment and average in the high reading
Z) buy a new thermometer
ANSWER: Y) REPEAT THE EXPERIMENT AND AVERAGE IN THE HIGH READING
