Math
Which of the following is NOT true:
W) an irrational number is one that cannot be expressed as the ratio of integers
X) fractions equal to 1 are called mixed fractions
Y) the numerator is less than the denominator in a proper fraction
Z) a composite number is a positive integer greater than 1 that is not prime
X) FRACTIONS EQUAL TO 1 ARE CALLED MIXED FRACTIONS
Which of the following terms do biologists most often use to describe animals that do not move by their own design or effort:
W) saprophytic
X) instar
Y) motile
Z) sessile
Z) SESSILE
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
Z) PHYSICAL CHANGES
Which of the following is NOT generally characteristic of oceanic-continental plate boundaries: W) high mountain systems
X) wide continental shelves
Y) ocean trenches
Z) earthquake prone areas
X) WIDE CONTINENTAL SHELVES
What is the scientific term often used by astronomers and geoscientists that refers to the point directly overhead?
ANSWER: ZENITH
In what quadrant of the coordinate system are both x and y negative?
THIRD
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
W) SIX CARBON DIOXIDE MOLECULES AND SIX WATER MOLECULES
If a 90 kilogram object displaces 30 kilograms of water when immersed, what will its apparent weight be?
60 KILOGRAMS
The light year is a useful unit of measure for the distance between: W) planets X) stars Y) atoms Z) asteroids
ANSWER: X) STARS
MATH Short Answer Reduce the following fraction to a mixed fraction in lowest terms:
252/90
ANSWER: 115/3
What is the base nucleotide to which adenine binds on its opposing strand in DNA?
THYMINE
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?
4 TIMES
Which of the following is an example of an island arc collision zone:
W) Japan
X) Oregon
Y) Maine
Z) Chile and Peru
W) JAPAN
Rounded to the nearest whole number, how many centimeters are in 2 inches ?
ANSWER: 5
Bottled water is selling for 60-cents per bottle. If you buy a dozen bottles and hand the cashier a ten-dollar bill, how much change are your owed, in dollars and cents?
$2.80
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
X) A GROUP OF PROTEINS MADE BY PLASMA CELLS IN RESPONSE TO A FOREIGN SUBSTANCE
Which of the following is a simple instrument often used to demonstrate electrostatic induction:
W) electroscope
X) voltmeter
Y) electrometer
Z) spectrometer
W) ELECTROSCOPE
Meanders are typically associated with:
W) turbulent rivers
X) low-gradient streams
Y) V-shaped valleys
Z) alluvial fans
X) LOW-GRADIENT STREAMS
Which of the following is NOT true of comets:
W) they have highly elliptical orbits around the sun X) they leave a trail of particles that reflect sun light Y) they are made of rocks and condensed gases
Z) they can only be seen when they pass through the atmosphere
ANSWER: Z) THEY CAN ONLY BE SEEN WHEN THEY PASS THROUGH THE ATMOSPHERE
Pick any arbitrary point in the interior of a circle 12-inches in diameter and cut the circle into 8 slices by cutting at 45º angles through that arbitrary point. If you color alternate pieces blue and yellow, then the total area of the blue slices will:
W) equal the area of the yellow slices
X) be twice the area of the yellow slices
Y) be one-half the area of the yellow slices
Z) be one-third the area of the yellow slices
W) EQUAL THE AREA OF THE YELLOW SLICES
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
Z) MACROPHAGES
What is the most common term for the form of radio telecommunications that broadcasts electromagnetic information by varying the wave frequency?
FREQUENCY MODULATION or FM
Of the 3 main parts of the continental margin, which one is considered the flooded part of the continent?
ANSWER: CONTINENTAL SHELF OR SHELF
Which of the following is CLOSEST to the volume of 4 liters in quarts:
W) 3.8
X) 4.0
Y) 4.2
Z) 4.4
ANSWER: Y) 4.2
(Solution: 1 L = 1.06 q; 4 L = 4.24 q)B