TIEBREAKER 1
1) LIFE SCIENCE Short Answer Which one of the following 4 molecules is a protein most
commonly found in cow’s milk: lipase; casein (read as: KAY-SEEN); lactose; ovalbumin
ANSWER: CASEIN
2) GENERAL SCIENCE Multiple Choice Which of the following is NOT the same as the others:
W) 87 moles
X) 8.7 × 10–6 kilomoles
Y) 87,000 millimoles
Z) 0.087 kilomoles
ANSWER: X) 8.7 × 10–6 KILOMOLES
(Solution: the other choices equal 87 moles; 8.7 × 10–6 kilomoles = 0.087 moles)
3) MATH Short Answer How many real solutions are there when the discriminant of a quadratic
equation is negative, assuming a, b and c are real numbers and a is not equal to zero?
ANSWER: NONE
4) EARTH SCIENCE Multiple Choice Which of the following is NOT true regarding the Last
Glacial Maximum:
W) Europe was mostly ice-free because of the influence of the Gulf Stream
X) parts of Alaska remained unglaciated except at high elevations
Y) ice more than a mile thick covered parts of New York
Z) it was present about 22,000 years ago
ANSWER: W) EUROPE WAS MOSTLY ICE-FREE BECAUSE OF THE INFLUENCE OF THE
GULF STREAM
5) LIFE SCIENCE Short Answer A radioactive isotope of what element would be most likely used
for the monitoring of hemoglobin production in red blood cells?
ANSWER: IRON (ACCEPT: IRON-59, Fe-59 or Fe)
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TIEBREAKER 2
1) GENERAL SCIENCE Multiple Choice Consuming which of the following foods would provide
the most vitamin A per ounce:
W) rice
X) chicken breast
Y) liver
Z) apple
ANSWER: Y) LIVER
2) MATH Short Answer A hexagonal prism has how many edges?
ANSWER: 18
3) LIFE SCIENCE Short Answer What is the most common name for the technique that Rosalind
Franklin used in her research on the structure of DNA that provided Watson and Crick critical
information that enabled them to discover the structure of DNA?
ANSWER: X-RAY CRYSTALLOGRAPHY
4) EARTH SCIENCE Multiple Choice Which of the following is the primary type of tectonic
activity occurring along the Peru-Chile trench:
W) divergence
X) convergence
Y) transform fault movement
Z) movement over the longest hot spot chain in the world
ANSWER: X) CONVERGENCE
5) PHYSICAL SCIENCE Short Answer What is the SI basic unit for luminosity?
ANSWER: CANDELA
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TIEBREAKER 3
1) EARTH SCIENCE Short Answer Name all of the following 3 choices that INCREASE as depth
within the Earth’s interior increases: temperature; density; pressure
ANSWER: ALL
2) LIFE SCIENCE Multiple Choice Cells of which of the following tissues will typically have the
HIGHEST mitotic rate:
W) central nervous system
X) inner lining of the intestine
Y) cardiac muscle
Z) skeletal muscle
ANSWER: X) INNER LINING OF THE INTESTINE
3) GENERAL SCIENCE Multiple Choice Which of the following types of glass is most
commonly used in scientific laboratories because of its durability and resistance to cracking when
heated and cooled:
W) lead crystal
X) plate
Y) flint
Z) borosilicate
ANSWER: Z) BOROSILICATE
4) PHYSICAL SCIENCE Short Answer What colorless, odorless and poisonous gas is a product of
incomplete combustion?
ANSWER: CARBON MONOXIDE (ACCEPT: CO)
5) MATH Short Answer Solve the following equation for x: x – 2 = 7 (read as: the absolute
value of x minus 2, close absolute value, equals 7)
ANSWER: 9 OR –5 (must give both answers)
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TIEBREAKER 4
1) EARTH SCIENCE Multiple Choice Which of the following most accurately describes when
tidal slack water typically occurs:
W) between spring and neap tides
X) near high and low tides
Y) only in locations that experience semi-diurnal tides
Z) only in locations that experience diurnal tides
ANSWER: X) NEAR HIGH AND LOW TIDES
2) GENERAL SCIENCE Short Answer By words or number, name all of the following 3 choices
that are characteristics of light-emitting diodes when used for household lighting:
1) they are more efficient than fluorescent lights
2) true white LED’s are the easiest to manufacture
3) they produce very small amounts of heat verses incandescent lights
ANSWER: 1; 3
3) MATH Short Answer Consider a triangle ABC on the coordinate plane with the following
vertices: A(–4, 4); B(–5, 1); and C(–2, 0). Giving your answer in order of A, B, and C, what are
the new coordinates after a reflection across the x-axis?
ANSWER: A = (–4, –4); B = (–5, –1); C = (–2, 0)
4) LIFE SCIENCE Multiple Choice Which of the following cells would most commonly present
antigens to T-cells:
W) eosinophil (read as: EE-OH-sin-oh-fill)
X) erythrocyte
Y) null cell
Z) macrophage
ANSWER: Z) MACROPHAGE
5) PHYSICAL SCIENCE Short Answer What color of light is produced when equal intensities of
yellow and blue light are combined?
ANSWER: WHITE
(Solution: yellow and blue are complementary colors)
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TIEBREAKER 5
1) LIFE SCIENCE Short Answer What human organ will show the largest INCREASE in size
during a malarial infection?
ANSWER: SPLEEN
2) EARTH SCIENCE Multiple Choice Which of the following processes primarily contributes to
acidified lakes and streams in the New England states:
W) precipitation
X) transpiration
Y) evaporation
Z) surface runoff
ANSWER: W) PRECIPITATION
3) MATH Short Answer If after 1 year you paid a total of $1,000.00 in simple interest on a loan
with a 10% annual rate, what was the original principal?
ANSWER: $10,000.00
(Solution: I = Prt; $1000 = (P)(0.10)(1); P = $10,000.00)
4) GENERAL SCIENCE Multiple Choice Which of the following foods has the LEAST
cholesterol:
W) palm oil
X) lobster
Y) beef liver
Z) chicken
ANSWER: W) PALM OIL
5) PHYSICAL SCIENCE Short Answer Name all of the following 3 substances that are common
diatomic molecules: carbon dioxide; oxygen; hydrogen
ANSWER: OXYGEN; HYDROGEN
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TIEBREAKER 6
1) MATH Short Answer What is the slope of the graph of the following equation: –6x – y – 5 = 0
ANSWER: –6
2) LIFE SCIENCE Multiple Choice In what stage is an egg when released from the ovary when a
woman ovulates:
W) mature ovum
X) graffian follicle
Y) primary oocyte
Z) secondary oocyte
ANSWER: Z) SECONDARY OOCYTE
3) PHYSICAL SCIENCE Short Answer What phase change is primarily involved with
freeze-drying?
ANSWER: SUBLIMATION
4) EARTH SCIENCE Multiple Choice The greatest temperature ranges occur in which of the
following climatic regions:
W) polar
X) humid middle-latitude
Y) tropical
Z) subarctic
ANSWER: Z) SUBARCTIC
5) GENERAL SCIENCE Short Answer A deficiency of what vitamin is most commonly
associated with night blindness in humans?
ANSWER: A
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TIEBREAKER 7
1) MATH Multiple Choice Although made from a wide variety of materials and various designs,
which of the following is generally believed to be the oldest mathematical computing device:
W) dioptera
X) slide rule
Y) abacus
Z) Napier’s rods
ANSWER: Y) ABACUS
2) PHYSICAL SCIENCE Short Answer By words or number, name all of the following 3
substances that will readily dissolve in distilled water at room temperature:
1) 10 grams of glucose; 2) 10 milliliters of corn oil; 3) 10 milliliters of ethanol
ANSWER: 1; 3
3) LIFE SCIENCE Short Answer What is the most common scientific term for the stage of the
cardiac rhythm when the ventricles fill with most of their blood?
ANSWER: DIASTOLE (ACCEPT: VENTRICULAR DIASTOLE)
4) PHYSICAL SCIENCE Short Answer Giving your answer as s, p, d, or f, in what block of the
Periodic Table do transition elements belong?
ANSWER: D
5) EARTH SCIENCE Short Answer By words or number, name all of the following 3 choices that
are characteristic of a chaparral: 1) hot dry summer; 2) warm dry winter; 3) scrubland
ANSWER: 1; 3
(Solution: chaparrals have wet winters)
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TIEBREAKER 8
1) PHYSICAL SCIENCE Multiple Choice If a substance is a good conductor of heat, it usually is
a:
W) transitional element
X) halogen
Y) good conductor of electricity
Z) liquid at room temperature
ANSWER: Y) GOOD CONDUCTOR OF ELECTRICITY
2) LIFE SCIENCE Short Answer What gland, if removed early in childhood, will prevent the
production and development of T-cells and severely limit the proper function of the human immune
system?
ANSWER: THYMUS
3) EARTH SCIENCE Multiple Choice Which of the following is a type of lake that would be most
likely to have high levels of phosphates and nitrates:
W) cold
X) oligotrophic (read as: oh-LEE-goh-TROH-fik)
Y) eutrophic (read as: YOO-troh-fik)
Z) benthic
ANSWER: Y) EUTROPHIC
4) MATH Short Answer Arrange the following 3 choices in INCREASING order:
3
63 ; 4! (read as: 4 factorial); 10 – 
ANSWER:

11 ;
3
63 ; 10 – ; 4!
5) GENERAL SCIENCE Short Answer Order the following 4 planets from the LARGEST to the
SMALLEST: Mercury; Saturn; Jupiter; Mars


ANSWER: JUPITER; SATURN; MARS; MERCURY
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TIEBREAKER 9
1) PHYSICAL SCIENCE Short Answer To the 3rd decimal place, how many moles are there in
1.00 gram of calcium, whose atomic mass is 40?
ANSWER: 0.025
2) LIFE SCIENCE Short Answer Name all of the following 4 organisms that are amphibians:
salamanders; toads; snakes; frogs
ANSWER: SALAMANDERS; TOADS; FROGS (ACCEPT: ALL BUT SNAKES)
3) EARTH SCIENCE Short Answer Match each of the following 3 states: Alaska, Florida, and
Wyoming, respectively, with one of the following 3 geological features which they are most noted
for: mangrove forests; fjords; geysers
ANSWER: ALASKA = FJORDS; FLORIDA = MANGROVE FORESTS; WYOMING =
GEYSERS
4) MATH Short Answer Solve the following proportion for x:
6 8

x 12
ANSWER: 9
5) GENERAL SCIENCE Short Answer What molecular substance makes up the most of the
Martian atmosphere?
ANSWER: CARBON DIOXIDE (ACCEPT: CO2)
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TIEBREAKER 10
1) PHYSICAL SCIENCE Short Answer Vinegar is a solution of acetic acid in what solvent?
ANSWER: WATER
2) GENERAL SCIENCE Short Answer Sodium bicarbonate is the sole ingredient in what
substance often used in baking?
ANSWER: BAKING SODA (DO NOT ACCEPT: BAKING POWDER)
3) EARTH SCIENCE Multiple Choice The fossil record indicates that which of the following is
TRUE for most plants and animals on Earth:
W) most lived on land
X) humans first appeared during the Permian Period
Y) trilobites and dinosaurs existed at the same time
Z) most have become extinct
ANSWER: Z) MOST HAVE BECOME EXTINCT
4) LIFE SCIENCE Short Answer Of the 46 chromosomes in a human zygote, how many are
derived from the father?
ANSWER: 23
5) MATH Short Answer If 1 box of kumquats costs $3.40, how many boxes can $20.40 buy?
ANSWER: 6
(Solution: 1/3.40 = x/20.4, x = 6)
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