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Math
Biology
Chemistry
100
MATH Short Answer Convert to both radians and degrees the angle that equals one-half of 3π/4 radians:
What is 3π/8 AND 67.5°
100
BIOLOGY Short Answer What term, coined by Mendel, delineates the variant form of a gene?
What is Allele
100
CHEMISTRY Short Answer What compound is the reducing agent in the reaction: CH4 + 2O2 → (read as: yields) CO2 + 2H2O?
What is CH4
200
Solve the following equation: 2x+21=6x+1.
What is x = 5
200
BIOLOGY Short Answer In the Calvin cycle, for each 6 CO2 fixed how many PGAL are typically formed?
What is 12 -- Explanation: Every 6 turns of Calvin Cycle = 2 PGAL
200
CHEMISTRY Multiple Choice Which of the following factors does NOT affect the solubility of a solid in a liquid? W) Temperature X) Polarity of solute Y) Polarity of solvent Z) Pressure
What is Z) PRESSURE
300
Short Answer Each of the following equations represents a plane: x – y = 6; 2x – 3z = 16; 2y + z = 4. At which point (x, y, z), will they intersect?
What is (8, 2, 0)
300
BIOLOGY Short Answer How many copies of each chromosome does a male wasp have?
What is 1
300
CHEMISTRY Multiple Choice Which of the following period 3 elements has the smallest atomic radius? W) Sodium X) Phosphorus Y) Chlorine Z) Aluminum
What is Y) CHLORINE
400
MATH Short Answer Water flows at 10 cubic feet per minute into a cylinder with a radius of 5 feet and height of 12 feet. Providing your answer as a fraction in simplest form in terms of π, how fast is the water rising in feet per minute when the height is 4 feet? -- If needed, formulas: A = 2πr^2 + 2πrh V = πr^2h
What is 2/5π
400
BIOLOGY Short Answer An unknown substance is tested by 2 reagents. The Lugol’s test yields a black color while the Benedict’s test yields a light blue color. Amylase is added and then the substance is retested. The second Lugol’s test is negative, while the second Benedict’s test yields a red color. What substances were present before and after, respectively, the amylase was added?
What is POLYSACCHARIDE (ACCEPT: STARCH, DO NOT ACCEPT: GLYCOGEN) AND MONOSACCHARIDE (ACCEPT: SIMPLE SUGAR, REDUCING SUGAR)
400
CHEMISTRY Multiple Choice What is the empirical formula for C6H12O6? W) C3H4O3 X) CHO Y) CH2O Z) C6H12O6
What is Y) CH2O
500
MATH Short Answer A man who is 6 feet tall spots a bird at the top of a 14- foot telephone pole. If the angle of elevation from his eyes to the top of the pole is 30 degrees, then to the nearest foot, how far away is he standing from the base of the pole?
What is 14
500
BIOLOGY Short Answer An F1 individual is heterozygous for each of 4 traits, A, B, C, and D, and is allowed to self-fertilize. What is the probability that the offspring will be AaBBccDd?
What is 1/64
500
CHEMISTRY Short Answer A 2.00 mole sample of ammonium nitrate is decomposed in a bomb calorimeter. The temperature of the calorimeter increases by 12 Kelvin. The heat capacity of the system is 1.5 kilojoules per Kelvin. What is the molar heat of decomposition of ammonium nitrate in kilojoules?
What is 9