1) Toss Up - Biology - Multiple Choice
Darwin's finches differ from other finches in the size and shape of their beaks. Which of the following factors has been identified as the major influence on the development of the differing beaks?
W) Access to different food sources
X) Sexual competition
Y) Protection against predators
Z) Genetic drift
1) Bonus - Biology - Short Answer
Darwin's finches all descended from one species, the Blue-Black Grassquit Finch. These finches evolved in overlapping and sometimes identical ranges, often occurring together on the same islands. What is the name for speciation that occurs in this way?
ANSWER: SYMPATRIC2) Toss Up - Physics - Multiple Choice
The single electron in the ground state of hydrogen is bound to the proton by 13.6 electron volts. If it is excited to the n = 2 state, by which of the following energies, in electron volts, is it now bound?
W) 3.4
X) 6.8
Y) 13.6
Z) 54.4
2) Bonus - Physics - Short Answer
A model truck with a mass of 1.0 kilogram is accelerated by an electric motor from rest to 0.8 meters per second in 20 milliseconds. What is the average power, in watts, delivered by the motor during this time?
ANSWER: 163) Toss Up - Physics - Multiple Choice
In EXTRA-TERRESTRIAL SPACE, heat is transferred by
W) conduction.
X) convection.
Y) conduction and convention.
Z) radiation.
3) Bonus - Physics - Short Answer
The position of a particle with respect to time is given by the equation: x equals t cubed plus 2, where x is in feet and t is in seconds. What is the acceleration, in feet per second squared, of the particle at a time of 2 seconds?
ANSWER: 12 (FEET PER SECOND SQUARED)4) Toss Up - Physics - Multiple Choice
A current of 2 Amps is running through a straight wire. Assuming the permeability of free space is 4π * 10-7 N, what is the magnitude of the electric field a distance of 10 cm away from the wire?
W) 4π * 10-9
X) 8π * 10-8
Y) 2 * 10-7
Z) 4 * 10-6
4) Bonus - Physics - Multiple Choice
What is the magnetic permeability in a superconductor?
W) 0
X) 1
Y) i
Z) e
5) Toss Up - Physics - Multiple Choice
Which of the following is one of Kirchoff’s circuit laws?
W) the power consumed by a resistor is equal to the current through it times the voltage drop across it
X) the voltage drop across a resistor is equal to the current through it times its resistance
Y) the charge on a capacitor is equal to its capacitance times the voltage across it
Z) the sum of the voltage differences around a closed loop must equal zero
5) Bonus - Physics - Short Answer
In watts, what is the power dissipated by a 20 ohm resistor when it is connected across a 10 volt potential difference?
ANSWER: 5 WATTS6) Toss Up - Math - Short Answer
What is (1000! + 999!)/(998!)?
ANSWER: 999,9996) Bonus - Math - Short Answer
What is the first number with 5 distinct prime factors?
ANSWER: 2,3107) Toss Up - Math - Short Answer
In what quadrant does A terminate if `sin(A)` is positive and `sec(A)` is negative?
ANSWER: 2nd (Accept: 2)7) Bonus - Math - Short Answer
Solve the following equation for x, expressing your answer in simplest radical form over the real numbers: `x^4 - 9x^2 + 8 = 0`
ANSWER: `+2sqrt(2)` , `-2sqrt(2)` , `+1` , `-1`8) Toss Up - Physics - Short Answer
Who is the American physicist who is best known for his path integral formulation of quantum mechanics?
ANSWER: (Richard) Feynman8) Bonus - Physics - Short Answer
What is the term for a hypothetical particle that always travels faster than light?
ANSWER: Tachyon9) Toss Up - Astronomy - Multiple Choice
What is the term for the amount of energy released from each square meter of an object’s surface each second:
W) energy flux
X) Pascal’s Law
Y) Boltzman’s Equation
Z) Kelvin’s Law
9) Bonus - Astronomy - Short Answer
When a superior planet is at quadrature in reference to the Earth, what is its elongation in degrees?
ANSWER: 90°10) Toss Up - Physics - Multiple Choice
Light has a dual nature because it is
W) a wave form.
X) particlelike.
Y) wavelike and particlelike.
Z) due to constructive and destructive interference.
10) Bonus - Physics - Multiple Choice
Corrective lenses for farsightedness make light rays
W) converge before they enter the eye.
X) diverge before they enter the eye.
Y) converge after they enter the eye.
Z) diverge after they enter the eye.
11) Toss Up - Computer Science - Multiple Choice
The process of replacing an original binary file with an encoded version that is typically smaller than the original is called:
W) data decompression
X) data compression
Y) decryption
Z) compositing
11) Bonus - Computer Science - Multiple Choice
The speed at which a modem can transmit data is
W) BITNET
X) Broadband
Y) baud rate
Z) burst speed
12) Toss Up - Chemistry - Multiple Choice
Under what circumstances do most gases differ the most from the Ideal Gas Law
W) High Temperature, High Pressure
X) High Temperature, Low Pressure
Y) Low Temperature, High Pressure
Z) Low Temperature, Low Pressure
12) Bonus - Chemistry - Short Answer
What scientist is known for combining Boyle’s Law, Charles’ Law, and Avogadro’s Law to create the Ideal Gas Law?
ANSWER: Mendeleev13) Toss Up - Chemistry - Multiple Choice
One property that decreases as the intermolecular forces increase is
W) boiling point
X) equilibrium vapor pressure
Y) viscosity
Z) heat of vaporization
13) Bonus - Chemistry - Multiple Choice
A bond that is the second bond formed between two atoms is a
W) sigma bond
X) pi bond
Y) ionic bond
Z) resonance bond
14) Toss Up - Physics - Multiple Choice
Which of the following objects has the shortest wavelength?
W) ultraviolet rays
X) beta particles
Y) gamma rays
Z) a baseball traveling at 35 m/s
14) Bonus - Physics - Short Answer
What is the name of the effect in which a conducting bar traveling with a velocity perpendicular to a magnetic field induces a voltage?
ANSWER: HALL EFFECT15) Toss Up - Astronomy - Multiple Choice
Which of the following positions is an inferior planet most likely in if it is seen just after sunset:
W) opposition
X) superior conjunction
Y) greatest eastern elongation
Z) greatest western elongation
15) Bonus - Astronomy - Multiple Choice
A comet develops a tail because of
W) the solar wind
X) Earth’s atmosphere
Y) the Oort Cloud
Z) heat from Mercury
16) Toss Up - Math - Short Answer
Giving your answer as an ordered pair, find the solution of the system of the following 2 equations: `x = 2/3y - 2` and `x = y - 3`
ANSWER: (0, 3)16) Bonus - Math - Short Answer
What is the least common multiple of the following 4 numbers: 12, 15, 16, 20
ANSWER: 24017) Toss Up - Earth Science - Multiple Choice
What percentage of the earth's atmosphere does O2 comprise?
W) 0.75
X) 0.5
Y) 0.21
Z) 0.32
17) Bonus - Earth Science - Multiple Choice
Which of the following is a famous hanging trough waterfall?
W) Yellowstone Falls
X) Yosemite Falls
Y) Niagara Falls
Z) Victoria Falls
18) Toss Up - Astronomy - Multiple Choice
In the Australian winter night sky, which of the following is true regarding the constellation Orion:
W) it is seen in the western sky
X) it is seen in the southern sky
Y) it is seen in the northern sky
Z) it can never be seen
18) Bonus - Astronomy - Short Answer
The Kappa Cygnids and the Northern Delta Aquarids are names for what phenomena?
ANSWER: METEOR SHOWERS19) Toss Up - Physics - Multiple Choice
What is the rest mass of an electron moving at 80% the speed of light?
W) `9.1 * 10^-31` kg
X) `1.1 * 10^-32` kg
Y) `1.5 * 10^-32` kg
Z) `9.1 * 10^-32` kg
19) Bonus - Physics - Short Answer
A 1 kg object accelerates from rest to 1 m/s by aiming a laser in the opposite direction from its velocity. How many photons must the object fire if their wavelength is `6.6 * 10^-7` m?
ANSWER: 1027 PHOTON20) Toss Up - Physics - Multiple Choice
A Newton is equal to which of the following
W) Kilogram meter per second
X) meter per second squared
Y) Kilogram meter per second squared
Z) Kilogram per meter second
20) Bonus - Physics - Short Answer
If a car is traveling at 20 meters/sec in a straight line. If the car stops in 4.0 seconds what is its rate of deceleration?
ANSWER: 5.0 M/S221) Toss Up - Biology - Multiple Choice
Which of the following bacterial gene transfer mechanisms requires the involvement of a bacteriophage [bak-TEER-ee-uh-fayj]?
W) Conjugation
X) Transduction
Y) Horizontal gene transfer
Z) Bacterial transformation
21) Bonus - Biology - Multiple Choice
Plasmids are autonomously replicating circles of DNA containing one or a few genes. How many plasmids may a single bacterium carry?
W) 0
X) 1
Y) 2
z) No fixed limit
22) Toss Up - Chemistry - Multiple Choice
A sample of grapefruit juice at 25 degrees Celsius has a hydronium concentration of 1.78
X) 10-3 molar. What is the pH of the solution?
W) 2.22
X) 2.75
Y) 3.25
Z) 6.33
22) Bonus - Chemistry - Multiple Choice
Which of the following is the term used for the resistance of a liquid system to flow?
W) surface tension
X) diffusion
Y) viscosity
Z) cohesion
23) Toss Up - Math - Multiple Choice
How many faces does an dodecahedron have, and what shape are the faces:
W) 12, equilateral triangles
X) 12, pentagons
Y) 20, equilateral triangles
Z) 20, pentagons
23) Bonus - Math - Short Answer
The line whose equation is `3x - 4y - 3 = 0` passes through the x- and y- axes at what points?
ANSWER: (1, 0) AND (0, -3/4) (ACCEPT: x = 1, y = -3/4)24) Toss Up - Biology - Multiple Choice
The first known primates are characterized as
W) arboreal and nocturnal
X) ground-dwelling and nocturnal
Y) arboreal and diurnal
Z) ground-dwelling and diurnal
24) Bonus - Biology - Short Answer
The Krebs cycle takes place in which cytoplasmic organelle?
ANSWER: THE MITOCHONDRION25) Toss Up - Biology - Multiple Choice
Which of the following has the lowest blood pressure:
W) anterior vena cava
X) carotid (Pron: ker-ought-id) artery
Y) femoral artery
Z) iliac artery
25) Bonus - Biology - Short Answer
What formed elements in human blood release serotonin and thromboplastin?
ANSWER: PLATELETS