Earth and Space
Which of the following is not considered a type of wetland?
a) Fen
b) Bog
c) Swamp
d) Bay
D) Bay
Which of the following appliances typically uses the most electricity per unit time?
a) Vaccum cleaner
b) Hair Dryer
c) 60-watt incandescent light bulb
d) Desktop computer in active mode
B) Hair Dryer
Which of the following statements about a right triangle is NOT necessarily true?
a) One angle measures 90 degrees
b) The hypotenuse is the longest side
c) It has at least one obtuse side
d) It has two acute angles
C) It has at least one obtuse side
A liver cell has stopped functioning and a scientist observes that it is producing lactic acid. Failure of what organelle [organ-ELL] most likely caused the liver cell to stop functioning?
a) Mitochondrion [my-tow-KON-dree-un]
b) Nucleus
c) Ribosome [RYE-beh-sohm]
d) Golgi Body
a) Mitochondrion
Which of the following is a unit for sound intensity level?
a) Amplitude
b) Watt
c) Decibel
d) Hertz
c) Decibel
In our solar system, how many moons does the fourth planet from the Sun have?
a) 0
b) 1
c) 2
d) 4
C) 4
Research at Lawrence Livermore National Laboratory is aimed at reducing methane emissions. According to the Energy Information Administration, which of the following fractions is closest to the estimate of the 100-year net global warming potential of methane?
a) One-one-hundredth
b) One-fourth
c) Three-fourths
d) Nine-tenths
B) One-fourth
If p and q are consecutive integers, identify all of the following four numbers that are always odd: 1) p + q; 2) pq; 3) pq + 1; 4) open parenthesis p + q close parenthesis squared.
1,3, and 4.
A diver finds an underwater cave filled with bacteria that seem to feed on volcanic sulfur vents. What type of organisms are these?
a) Heterotroph [HEH-turoh-trohf]
b) Hemotroph [HEMO-trohf]
c) Chemotroph [KEEMOH-trohf]
d) Phototroph [PHOTO-trohf]
c) Chemotroph
In which of the following cases will the displacement of the object be the least?
a) A 1.2-kilogram object moving 4 meters up an incline of 45 degrees
b) A 3.1-kilogram object moving 3 meters on a flat surface
c) A 0.5-kilogram object moving 6 meters along a circle with a circumference of 6 meters
d) Cannot be determined from the information given
c) A 0.5-kilogram object moving 6 meters along a circle with a circumference of 6 meters
Which of the following is true about the water table?
a) It is deeper in summer than in winter
b) It does not vary under high pumping rates
c) It varies due to precipitation amounts
d) It is constant throughout the year
c) It varies due to precipitation amounts
What is the term for the process of burning fuel?
a) Conduction
b) Combustion
c) Explosion
d) Transformation
b) Combustion
What is 300 + 200 – 333?
167
What is the term for proteins that act as catalysts in chemical reactions?
Enzymes
The length of a meter was re-defined in 1983 to be based on what physical quantity?
a) A wavelength of krypton-86 radiation
b) The distance light travels in a specific fraction of a second in a vacuum
c) The length of a one-kilogram bar of iridium [ih-RID-ee-um]
d) A specific fraction of the length of the meridian through Paris from the North Pole to the equator
b) The distance light travels in a specific fraction of a second in a vacuum
Which of the following best approximates the ratio of the volume of Olympus Mons to that of Mauna Loa?
a) 10
b) 50
c) 100
d) 1000
c) 100
As a spring is compressed, which of the following best describes what happens to the amount of elastic potential energy stored in the spring?
a) It increases
b) It decreases
c) It is unchanged
d) It decreased and increased
a) It increases
What is the radius of the circle with equation x2 + 4x + y2 = 12?
4
In a human heart, through what structure does oxygenated blood first pass?
a) Right Atrium
b) Right Ventricle
c) Left Atrium
d) Left Ventricle
c) Left Atrium
In meters per second squared, what is the acceleration experienced by a 10-kilogram mass if it is being pushed by a 15-newton force?
1.5
Calling a tsunami a tidal wave is misleading because of what characteristic of a tsunami?
a) It is not a wave
b) It is not caused by tides
c) It does not occur in the ocean
d) It only occurs during ebb tides
b) It is not caused by tides
In the United States, which of the following renewable energy sources provides the smallest annual energy output?
a) Solar
b) Hydroelectric
c) Biomass
d) Wind
a) Solar
If the discriminant of a quadratic equation is –9, which of the following best describes the roots of the equation?
a) No roots
b) 3 and -3
c) Irrational
d) Complex
d) Complex
Which of the major groups of plants contains no vasculature?
a) Bryophytes [BRYE-oh-fites
b) Gymnosperms [JIM-no-sperms]
c) Angiosperms [AN-jee-oh-sperms]
d) Embryophytes [EM-bree-oh-fites]
a) Bryophytes
Which of the following materials is the best thermal conductor?
a) Glass
b) A sheet of plastic
c) A block of aluminum
d) An air mattress
c) A block of aluminum