BIOLOGY
Short Answer What is the most common term used in genetics to describe the observable physical characteristics of an organism caused by the expression of a gene or set of genes?
ANSWER: PHENOTYPE
Multiple Choice An aqueous solution in which the concentration of OH– ions is greater than that of H+ ions is: W) basic X) acidic Y) neutral Z) in equilibrium
ANSWER: W) BASIC
Short Answer Giving your answer in inches and in simplest radical form, if the hypotenuse of a 45-45-90º triangle is 10 inches, find the length of the other sides:
ANSWER: 5/2 (ACCEPT: BOTH 5/2 )
Short Answer What property of a sound wave is most commonly associated with loudness?
ANSWER: AMPLITUDE
Multiple Choice Which of the following is closest to the meaning of the suffix ‘lith’: W) outside X) stone Y) side Z) surface
ANSWER: X) STONE
Multiple Choice Human epidermis is mostly composed of which of the following basic animal tissues types: W) epithelial X) connective Y) nervous Z) muscle
ANSWER: W) EPITHELIAL
Short Answer Find the mass of 1 mole of cuprous oxide, or Cu2O. Assume the atomic mass of copper is 64 and oxygen is 16.
ANSWER: 144
Short Answer What is the area, in square feet, of a triangle whose perpendicular height is 20 feet with a base of 12 feet?
ANSWER: 120
(Solution: A = ½ bh = ½ (12)(20) = 120 ft2 )
Short Answer What is the MOST common term for the behavior of light where it appears to bend around small obstacles or the spreading out of waves as light passes through pinholes or slits?
ANSWER: DIFFRACTION
Short Answer Rounded to the nearest whole number, how many feet does light travel in one-billionth of one second?
ANSWER: 1
Short Answer What are the 2 basic categories of lymphocyte cells?
ANSWER: T AND B (ACCEPT: B AND T CELLS)
Short Answer What general type of bonding is found in molecules in which electrons are shared by nuclei?
ANSWER: COVALENT
MATH Short Answer Giving your answer in terms of π and in inches, what is the arc-length of a semi-circle whose diameter is 18 inches?
ANSWER: 9π (Solution: C = πd; ½(18π) = 9π)
Short Answer Although not known as such at the time, what was the first form of spectacular electric discharge seen by humans?
ANSWER: LIGHTNING
Multiple Choice A lightning bolt is seen and its accompanying thunder is heard 15 seconds later. This means the storm is most likely how many miles away: W) 3 X) 6 Y) 9 Z) 15
ANSWER: W) 3
Short Answer How many embryonic seed leaves does a bean seedling have?
ANSWER: 2
Short Answer Name all of the following 4 processes where latent heat is absorbed: evaporation; condensation; water melts; water freezes
ANSWER: EVAPORATION; WATER MELTS
Short Answer What is the area, in square feet, of a triangle whose perpendicular height is 20 feet with a base of 12 feet?
ANSWER: 120
(Solution: A = ½ bh = ½ (12)(20) = 120 ft2 )
Multiple Choice A constant force acting on a body experiencing no change in its environment will give the body: W) constant acceleration X) constant speed Y) constant velocity Z) zero acceleration
ANSWER: W) CONSTANT ACCELERATION
Short Answer How many significant figures are in the number 0.00750?
ANSWER: 3
Short Answer Name all of the following 5 plants that are dicots: wheat; geranium; garlic; bamboo; rose
ANSWER: GERANIUM; ROSE
Multiple Choice Which of the following is a metallic element, composes about 5% of the Earth’s crust, oxidizes very easily, and when pure is a dark, silver-grey metal: W) cobalt X) nickel Y) iron Z) titanium
ANSWER: Y) IRON
Short Answer What term BEST describes 2 angles with 90º as the sum of their measurements?
ANSWER: COMPLEMENTARY
Multiple Choice Upon which of the following does the mass of a body MOST directly depend: W) its magnetic properties X) how much volume it has Y) the amount of matter it contains Z) its location
ANSWER: Y) THE AMOUNT OF MATTER IT CONTAINS
Short Answer Subtract the following 2 numbers and give your answer with the proper significant figures: 25.101 – 0.9608
ANSWER: 24.140