1) Toss Up - Biology - Multiple Choice
Which of the following tissues is most directly responsible for the growth in height of a tree:
W) apical meristem
X) shoot terminus
Y) terminal cambial
Z) cambium terminus
1) Bonus - Biology - Short Answer
What specific cells and how many of them border each stomal pore?
ANSWER: GUARD CELLS; 22) Toss Up - Physics - Multiple Choice
The electric field pattern for a point charge looks the same as
the electric field
W) just outside a cube of charge.
X) inside a spherical shell of charge.
Y) outside a spherical shell of charge.
Z) none of the above
2) Bonus - Physics - Multiple Choice
The electric potential of a point charge varies
W) linearly with distance and inversely with charge.
X) linearly with distance and inversely with charge squared.
Y) linearly with charge and inversely with distance squared.
Z) linearly with charge and inversely with distance.
3) Toss Up - Biology - Multiple Choice
Any substance that triggers a specific defense of the immune system is
W) an interferon.
X) an antigen
Y) a microorganism
Z) a virus
3) Bonus - Biology - Multiple Choice
The head of a sperm contains a small cap that contains the enzyme vital to
W) more sperm production.
X) its mobility.
Y) fertilization.
Z) its development.
4) Toss Up - Biology - Short Answer
In segmented animals, a specific family of genes is particularly important for directing the orientation and placement of structures and segments. These genes encode transcription factors that are able to bind a regulatory region of DNA called the homeobox. Name this gene family.
ANSWER: HOX4) Bonus - Biology - Multiple Choice
Which of the following is true about reverse phase chromatography?
W) The stationary phase is hydrophilic [hy-druh-FIL-ik]
X) The stationary phase is acidic
Y) It is typically used for separation of proteins
Z) The stationary phase is hydrophobic
5) Toss Up - Physics - Short Answer
The Curie temperature is the temperature at which ferromagnets become paramagnets. What is the name for the point at which antiferromagnets become paramagnets?
ANSWER: The Neel temperature5) Bonus - Physics - Multiple Choice
A hall probe measures which of the following:
W) Capcitance
X) Viscosity
Y) Magnetic Field
Z) Electric Field
6) Toss Up - Biology - Short Answer
Russian physiologist Ivan Pavlov performed a famous experiment where he rang a bell before giving meat powder to dogs, which caused them to salivate. After a time, the dogs would salivate at the sound of the bell alone. What type of learned behavior is this?
ANSWER: CONDITIONED RESPONSE (ACCEPT: CONDITIONING)6) Bonus - Biology - Multiple Choice
The common shore ragworm only leaves its sandy tube to feed. If a shadow passes overhead, it will quickly return to the safety of its burrow. If the shadow passes overheard repeatedly and nothing happens, the worm will eventually ignore the shadow. This type of learning is called:
W) Sensitization
X) Habituation
Y) Conditioned response
Z) Mimicry
7) Toss Up - Computer Science - Multiple Choice
If the electron gun in a monitor draws every line in
a single pass without skipping lines, it is called:
W) noninterlaced
X) interlaced
Y) interfaced
Z) noninterfaced
7) Bonus - Computer Science - Multiple Choice
The ability to execute more than one program simultaneously is known as:
W) multithreading
X) multiscanning
Y) multitasking
Z) multicasting
8) Toss Up - Astronomy - Short Answer
What is the astronomical point in the sky that a plumb line would vertically point to?
ANSWER: ZENITH8) Bonus - Astronomy - Short Answer
What distant point of the Earth’s orbit occurs on July 3rd?
ANSWER: APHELION9) Toss Up - Physics - Multiple Choice
Which of the following is not a difference between light and sound waves?
W) sound requires a medium; light does not
X) sound is a longitudinal wave; light is a transverse wave
Y) light waves are quantized; sound waves are not
Z) light propagates at the same speed in all reference frames; sound does not
9) Bonus - Physics - Short Answer
A group of passengers have been traveling on a spaceship for 15 years, as measured by an observer at their origin. When they emerge, they have aged 10 years. Assuming that their speed was roughly constant throughout the trip, what was it? Your answer should be in terms of c, the speed of light.
ANSWER: SQRT(5) * C / 310) Toss Up - Physics - Multiple Choice
A capacitor stores a charge of 4 millicoulombs at a potential difference of 10 Volts. What is its capacitance?
W) 0.4 millifarads
X) 4 millifarads
Y) 0.25 millifarads
Z) 2.5 millifarads
10) Bonus - Physics - Short Answer
What is the total electrical energy stored in a capacitor that is charged to 2 millicoulombs at a potential difference of 12 Volts?
ANSWER: 12 mJ (ACCEPT 0.012 JOULES)11) Toss Up - Physics - Multiple Choice
A circular loop of conducting wire lies in a uniform magnetic field oriented perpendicular to the field. Which of the following would NOT induce a current?
W) increasing the magnetic field strength
X) spinning the loop
Y) passing a point charge through the loop
Z) accelerating the loop parallel to the magnetic field
11) Bonus - Physics - Short Answer
After two time constants, what is the current in an L-R circuit, as a fraction of the original current? Give your answer in terms of e.
ANSWER: (E^2 - 1) / E^2 OR 1 - E^-212) Toss Up - Math - Multiple Choice
What is the value of `i^21`?
W) -i
X) i
Y) -1
Z) 1
12) Bonus - Math - Multiple Choice
Which of the following is equivalent to `(a^-1 + b^-1)^-1` [open parenthesis a to the power of negative 1 plus b to the power of negative 1 close parenthesis to the power of negative 1]?
W) `(ab)/(a+b)` [the fraction with numerator ab and denominator a plus b]
X) `a + b`
Y) `a^2b^2`
Z) `ab`
13) Toss Up - Biology - Short Answer
What is the common name for the part of a compound light microscope that functions to converge a light source so that it passes through the specimen:
ANSWER: Condenser13) Bonus - Biology - Short Answer
Black water fever is a complication of malarial infection. The term black water comes from what oxidized product in the urine of infected individuals?
ANSWER: Hemoglobin (accept: met-hemoglobin)14) Toss Up - Astronomy - Multiple Choice
Whose paradox asks why the sky is not ablaze with starlight the universe is infinite in extent and uniformly filled with stars?
W) Olber's
X) Greigheim's
Y) Schuller's
Z) Miller's
14) Bonus - Astronomy - Multiple Choice
Which of the following can be used to see through Venus's clouds?
W) refracting telescopes
X) radar
Y) x-rays
Z) ultraviolet
15) Toss Up - Math - Multiple Choice
Which of the following is NOT true about the function y = |x| (read as: y equals the absolute value of x)?
W) It is symmetric around the y-axis
X) The derivative of the function does not exist at x = 0
Y) It is monotonic
Z) The integral of the function over the real line is unbounded
15) Bonus - Math - Short Answer
Suppose that g is the inverse function of f, f(-1) = 2 (read as: f of negative 1 equals 2), and f'(-1) = -2 (read as: f prime of negative 1 equals negative 2). Find g’(2) (read as: g prime of 2).
ANSWER: -1/216) Toss Up - Math - Multiple Choice
Which of the following is the equation for the tangent line for `y = x^4` at
the point (1, 1):
W) `y = 4x - 3`
X) `y = 4x - 1`
Y) `y = 4x + 1`
Z) `y = 4x + 3`
16) Bonus - Math - Short Answer
What are the coordinates of the hole in the graph of the function, `g(x) = (2x^2 - 8)/(x-2)`?
ANSWER: (2, 8) (Solution: simplifies to 2(x + 2); graph looks like a line except at the indicated hole)17) Toss Up - Physics - Multiple Choice
If the proper energy of 15 grams of matter is 1.35 x 10" joules, what is the value of n?
W) 9
X) 12
Y) 15
Z) 18
17) Bonus - Physics - Short Answer
Given that the elementary charge is 1.6 x 10-19 coulombs and providing your answer in scientific notation to one significant digit, how many excess electrons would be present in an object with a net negative charge of 2.5 coulombs?
ANSWER: 2 x 10 1918) Toss Up - Physics - Multiple Choice
The type of stress induced by normal scissors is
W) tensile stress
X) bulk stress
Y) shear stress
Z) none of the above
18) Bonus - Physics - Short Answer
To three significant figures, what is the decimal value of eight billion, nine-hundred ninety four million, seven thousand fifty-three?
ANSWER: `8.99 * 10^9`19) Toss Up - Math - Short Answer
What are the leading coefficient and degree, respectively, of the following polynomial: `3x^2 - 6x^5 + 7`
ANSWER: Leading Coefficient = -6; Degree = 519) Bonus - Math - Short Answer
Consider a blue circle inscribed in a white square. If the radius of the circle is 10 centimeters, what is the area of all visible white portions of the square, to the nearest whole number in centimeters squared?
ANSWER: 8620) Toss Up - Astronomy - Short Answer
When a one solar mass star becomes a red giant for the first time, its energy comes mainly from the fusion of helium forming into what final element?
ANSWER: Carbon20) Bonus - Astronomy - Multiple Choice
Refracting telescopes always contain which of the following:
W) mirrors
X) lenses
Y) television systems
Z) film
21) Toss Up - Chemistry - Short Answer
If pure water is at its boiling point at standard pressure, how many additional calories of heat are needed to convert 1 gram of water from the liquid to the vapor state?
ANSWER: 54021) Bonus - Chemistry - Short Answer
What is the name for the straight-chain alkane containing 5 carbons?
ANSWER: PENTANE22) Toss Up - Biology - Multiple Choice
Which mollusk does not possess a radula?
W) Squid
X) Scallop
Y) Snail
Z) Chiton
22) Bonus - Biology - Short Answer
What is the scientific name for the job or role an organism plays in its habitat?
ANSWER: Niche23) Toss Up - Physics - Short Answer
In additive color synthesis, what do equal proportions of two primary colors create?
ANSWER: A SECONDARY COLOR23) Bonus - Physics - Short Answer
If the speed of a charged particle is doubled while it is moving in a circular orbit in a uniform magnetic field, by what multiple will the orbital radius increase?
ANSWER: 224) Toss Up - Physics - Short Answer
What is the most common term for the motion that is associated with an object that moves without rotating?
ANSWER: TRANSLATIONAL (ACCEPT: TRANSLATIONAL MOTION)24) Bonus - Physics - Short Answer
What is the total capacitance, in microfarads rounded to the second decimal place, for four capacitors connected in series if each capacitor is rated at 1 microfarad?
ANSWER: 0.25 (Solution: Ct = 1/# of capacitors; 1/4 = 0.25)25) Toss Up - Math - Short Answer
If the exterior angle of a base angle of an isosceles [eye-SOS-uh-lees] triangle measures 141°, what is the measure of the vertex angle?
ANSWER: 102°25) Bonus - Math - Short Answer
If `f(x) = -2x - e^x` [f of x equals negative 2x minus e to the x], what is the range of `f'` [the derivative of f]?
ANSWER: `(-oo, -2)` (ACCEPT: x < -2 or THE OPEN INTERVAL FROM NEGATIVE INFINITY TO -2)