1) Toss Up - General Science - Multiple Choice
Upon booting up a computer, the message “non-system disk error” appears on the screen. What is the best way to troubleshoot this problem:
W) restart the computer
X) eject the floppy and restart the computer
Y) eject the floppy and press any key
Z) shutdown then restart the computer
1) Bonus - General Science - Multiple Choice
Which of the following programming languages would be the LEAST efficient, in terms of the time required to write the program, for writing a large accounting program:
W) C++
X) dBASE
Y) File Maker
Z) Visual Basic
2) Toss Up - Math - Short Answer
What type of growth does `y= 36 xx 7^x` (read as: y equals 36 times 7 to the power of x) represent?
ANSWER: EXPONENTIAL2) Bonus - Math - Short Answer
Find the length and width in meters of a rectangle with perimeter of 200 meters and maximum possible area.
ANSWER: LENGTH AND WIDTH = 503) Toss Up - Chemistry - Multiple Choice
In general, a buffer solution used in titrations is characteristically which of the following:
W) a strong acid and its conjugate base
X) a strong base and its conjugate acid
Y) a weak acid and its conjugate base
Z) a solution that changes very rapidly in pH when acids or bases are added
3) Bonus - Chemistry - Multiple Choice
According to the Henderson-Hasselbalch equation, the pH equals the pKa (read as: p, k, a) when the ratio of the conjugate base and weak acid equals:
W) 0
X) 1
Y) 2
Z) 7
4) Toss Up - Chemistry - SHORT ANSWER
In the conformational analysis of ethane and propane, what type of conformation is presented as the lowest energy state?
ANSWER: Staggered conformation4) Bonus - Chemistry - SHORT ANSWER
An organic compound exhibiting a positive, or clockwise, rotation is known as what?
ANSWER: Dextrorotatory5) Toss Up - Physics - Multiple Choice
Bob crashes into a wall, but his airbags inflate, saving his life. Which of the following correctly explains why they are helpful?
W) the airbags keep him pressed against the back of his seat
X) the airbags stop him before he hits the dashboard
Y) the airbags increase the time over which he decelerates
Z) the airbags absorb much of the energy of the impact
5) Bonus - Physics - Short Answer
What is the magnitude of the impulse imparted to a 0.5 kg ball as it slows to 1 meter per second from 10 meters per second?
ANSWER: 4.5 KG * M / S6) Toss Up - Physics - Short Answer
If the area of the plates of a parallel-plate capacitor is doubled, what will happen to the capacitance?
ANSWER: TWICE AS MUCH OR DOUBLED6) Bonus - Physics - Short Answer
What is the principle that states that the buoyant force on floating or submerged bodies is equal to the weight of the liquid displaced?
ANSWER: ARCHIMEDES' (PRINCIPLE)7) Toss Up - Physics - Multiple Choice
What is the name for the change in perceived gravitational force caused by the change in centrifugal acceleration?
W) Gravity declination effect
X) Einstein effect
Y) Lorentz effect
Z) Eotvos effect
7) Bonus - Physics - Short Answer
A man is stationary relative to the Earth and measures his weight to be W. If the man starts driving eastward, how will his new weight compare with his old weight?
ANSWER: IT WILL BE SMALLER8) Toss Up - Physics - Multiple Choice
An object is placed 1 meter from a concave mirror with radius of curvature 2 meters. The image
W) forms 2 meters behind the mirror
X) forms 1 meter behind the mirror
Y) forms 4 meters in front of the mirror
Z) does not form
8) Bonus - Physics - Short Answer
A biconvex lens with focal length 20 centimeters is placed in the indentation of a biconcave lens with focal length -10 centimeters. Assuming thin lens approximation holds true, what is the net focal length of the system?
ANSWER: -20 CENTIMETERS9) Toss Up - Biology - Multiple Choice
Asthma is anergic reaction in which
W) smooth muscles around lung passageways contract.
X) suppressor T-cells and helper T-cells die.
Y) histamine production decreases.
Z) antihistamine production increases.
9) Bonus - Biology - Short Answer
In chlorophyll-containing plants, what are TWO products of greenplant photosynthesis?
ANSWER: oxygen and glucose (accept energy, also)10) Toss Up - Physics - Multiple Choice
A 10 volt battery connected to a capacitor delivers a charge of 0.5
coulombs. The capacitance of the capacitor is
W) 0.02 farads.
X) 0.05 farads.
Y) 2 farads.
Z) 5 farads.
10) Bonus - Physics - Multiple Choice
A car is moving along a straight horizontal road at a speed of 20
meters per second. The brakes are applied and a constant force of 5000 Newtons decelerates
the car to a stop in 10 seconds. The mass of the car is
W) 1250 kilograms.
X) 2500 kilograms.
Y) 5000 kilograms.
Z) 10,000 kilograms.
11) Toss Up - Math - Multiple Choice
Which of the following is a rational number:
w) `1+sqrt(4)`
X) `2+sqrt(5)`
Y) 'sqrt(6)`
Z) '\pi`
11) Bonus - Math - Short Answer
If the average of 5 numbers is 16, what is the sum of the 5 numbers?
ANSWER: 8012) Toss Up - Earth Science - Short Answer
On a weather map, what type of frontal boundary is represented by alternating blue and red lines with blue triangles pointing toward the warmer air andred semicircles pointing toward the colder air?
ANSWER: Stationary (Accept: Stationary Frontal Boundary Or12) Bonus - Earth Science - Multiple Choice
Halos and rings around the Moon in the night sky are most often caused by which of the following:
W) nucleation particles in the stratosphere
X) small water droplets in nimbostratus clouds
Y) temperature inversions
Z) ice crystals in cirrus clouds
13) Toss Up - Math - Short Answer
Of the following 5 functions identify all that are NOT differentiable for all real numbers: `|x|` (read as: absolute value of x); cosine(x); tangent(x); `e^x`; the greatest integer function
ANSWER: `|x|`; TAN(x); THE GREATEST INTEGER FUNCTION13) Bonus - Math - Short Answer
The curve defined by the equation, `Ax^2 + Bx + Cy^2 + Dy + E =0`, can be an ellipse if which of the constants are positive?
ANSWER: A AND C14) 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
14) 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: 1615) Toss Up - Earth Science - Short Answer
As a percentage by volume in Earth’s atmosphere, what are the two most abundant gases in Earth’s atmosphere?
ANSWER: NITROGEN AND OXYGEN (in any order)15) Bonus - Earth Science - Short Answer
What type of glacier flows outward from a center as opposed to down a mountain valley?
ANSWER: CONTINENTAL16) Toss Up - Physics - Multiple Choice
A spring hangs from a ceiling, initially at equilibrium. When a mass of 1.5 kg is attached to it, the spring stretches an additional 4.0 meters. What is the spring constant?
W) 3.0 N/m
X) 3.8 N/m
Y) 4.5 N/m
Z) 5.3 N/m
16) Bonus - Physics - Short Answer
A wheel spins up from rest at a constant angular acceleration of 6.25 pi radians per second squared. What is its angular velocity after one full revolution, in terms of pi?
ANSWER: 5 PI RADIANS PER SECOND17) Toss Up - Physics - Multiple Choice
An electron is travelling due north when it experiences a magnetic field that is pointing vertically upward. In what direction will the electron be deflected when it initially encounters the field?
W) North
X) South
Y) East
Z) West
17) Bonus - Physics - Short Answer
A 35.4 x 10-11 coulomb charge is placed into a spherical Gaussian [GOUS-ee-uhn] surface with a radius of 5 meters. Given that epsilon naught is 8.85 x 10-12 farads per meter, what is the electric flux through this surface in newton meters squared per coulomb?
ANSWER: 4018) Toss Up - Math - Multiple Choice
Populations P1 and P2 are normally distributed and have identical means; however, the standard deviation of P1 is twice the standard deviation of P2. Which of the following is TRUE about the percentage of observations falling within two standard deviations of the mean for each population?
W) The percentage for P1 is twice the percentage for P2
X) The percentage for P1 is greater, but not twice as great, as the percentage for P2
Y) The percentage for P2 is twice the percentage for P1
Z) The percentages are identical
18) Bonus - Math - Short Answer
Find the second derivative of the function `f(x) = (3 + 2x)e^(-3x)`.
ANSWER: `3(6x + 5)e^(-3x)` [ACCEPT: `(18x + 15)e^(-3x)`]19) Toss Up - Earth Science - Multiple Choice
Which of the following types of plutons is a cylindrical conduit of igneous rock below a volcanic vent:
W) laccolith
X) dike
Y) volcanic stock
Z) volcanic pipe
19) Bonus - Earth Science - Multiple Choice
Trellis drainage patterns are most likely to form on:
W) coastal plains
X) folded terrains
Y) glacial outwash
Z) permafrost
20) Toss Up - Physics - Multiple Choice
An inductor of 2 millihenries is connected to an alternating current source of angular frequency 4 rad/s. What is the inductive reactance of the inductor?
W) 0.5 ohms
X) 1 ohm
Y) 2 ohms
Z) 8 ohms
20) Bonus - Physics - Multiple Choice
In an LRC circuit, the circuit resonates when
W) the inductive reactance is equal to the resistance
X) the inductive reactance is equal to the capacitive reactance
Y) the resistance is equal to the capacitive reactance
Z) the impedance is 0
21) Toss Up - Energy - Multiple Choice
Which of the following sources gives the largest amount of radiation exposure?
W) A transcontinental airline flight
X) A chest X-ray
Y) Natural background radiation for one year
z) Living within 50 miles of a nuclear power plant for one year
21) Bonus - Energy - Multiple Choice
Fuel cells operating on methanol and air produce heat, electricity, and which of the following?
W) Carbon monoxide
X) Water
Y) Water and carbon dioxide
Z) Mercury
22) Toss Up - Physics - Multiple Choice
An acceptor replacement atom in silicon might have how many electrons in its outer shell?
W) 3
X) 4
Y) 5
Z) 6
22) Bonus - Physics - Multiple Choice
When a forward bias is applied to a p-n junction the concentration of electrons on the p side:
W) increases slightly
X) decreases slightly
Y) increases dramatically
Z) decreases dramatically
23) Toss Up - Biology - Multiple Choice
The first fishes were covered with
W) bony plates and had jaws
X) bony plates and were jawless
Y) scales and had jaws
Z) scales and were jawless
23) Bonus - Biology - Multiple Choice
The cephalopod whose internal shell is either thin and coiled or flat and platelike is the
W) octopus
X) cuttlefish
Y) squid
Z) nautilus
24) Toss Up - Chemistry - Multiple Choice
Which of the following is NOT true about the Periodic Table:
W) metals tend to gain electrons while nonmetals tend to lose electrons
X) metals tend to lose electrons while nonmetals tend to gain electrons
Y) elements with metallic properties are found on the left side of the table
Z) alkali metals are found in the vertical column that contains lithium
24) Bonus - Chemistry - Short Answer
Until the early 1960’s, what group of elements were called the inert gases:
ANSWER: NOBLE GASES25) Toss Up - Physics - Multiple Choice
The Wigner effect deals with the effects on a material by what type of bombardment?
W) neutron
X) alpha particle
Y) gamma ray
Z) beta particle
25) Bonus - Physics - Short Answer
In any given fission of Uranium-235, what is the average number of free neutrons released?
ANSWER: 2.5