Round #9 Flashcards
1) Life Science – Multiple Choice In a population of colorful parakeets, hunters often only kill the red parakeets
because they are so easy to spot. What type of selection pressure does this illustrate?
W) Directional
X) Disruptive
Y) Stabilizing
Z) Bilateral
ANSWER: W) DIRECTIONAL
1) Life Science – Short Answer Rank the following four structures from smallest to largest: 1) Amoeba [ah-MEE-bah]
proteus cell; 2) Human skin cell; 3) Human X chromosome; 4) Escherichia [eh-sher-EE-kee-ah] coli [KOH-lye] cell
ANSWER: 4, 3, 2, 1
2) Energy – Multiple Choice It is estimated that up to 350 billion tons of carbon dioxide could be stored around the
world in un-mineable coal beds. What is the term for processes that secure carbon dioxide and prevent its emission into
the atmosphere?
W) Carbon corralling
X) Carbon isolation
Y) Carbon sequestration
Z) Carbon seclusion
ANSWER: Y) CARBON SEQUESTRATION
2) Energy – Short Answer Order the following three types of light bulb from least to most efficient:
1) LED; 2) Fluorescent; 3) Incandescent.
ANSWER: 3, 2, 1
3) Earth and Space – Short Answer What soil horizon contains the most humus?
ANSWER: O
3) Earth and Space – Multiple Choice What group of silicates is the most abundant group of minerals in Earth’s crust?
W) Feldspars
X) Quartzes
Y) Zeolites
Z) Micas
ANSWER: W) FELDSPARS
4) Math – Short Answer Jim brings 20 candy bars to class and divides them so that each of his classmates receives an
equal share of 4/5 of a bar. How many classmates does Jim have?
ANSWER: 25
4) Math – Short Answer Find the coordinates of all points of intersection of the parabola with
equation y = x2 + 7x + 10 and the line with equation y = –x – 6.
ANSWER: (–4, –2)
5) Physical Science – Multiple Choice How would you turn carbon-12 into the isotope carbon-13?
W) Add a neutron
X) Add a proton
Y) Take away an electron
Z) Add two quarks
ANSWER: W) ADD A NEUTRON
5) Physical Science – Short Answer An atom of what element is produced when an atom of krypton-81 undergoes an
electron capture?
ANSWER: BROMINE
6) Math – Multiple Choice 4,800 meters is how many kilometers?
W) 4.8
X) 48
Y) 480,000
Z) 4,800,00
ANSWER: W) 4.8
6) Math – Short Answer Maria went shopping in two stores with her birthday gift money. In the first store, she spent
two-thirds of what she had plus $3. In the second store, she spent three-fifths of what was left plus $2. She then had $8
left. How many dollars did she begin with?
ANSWER: 84
7) Energy – Multiple Choice You installed a brand new Energy Star-rated range in your kitchen, and you discover that
it has an induction cooktop. Which of the following cookware materials would best function on an induction cooktop?
W) Cast iron
X) Anodized [ANN-oh-dized] aluminum
Y) Copper
Z) Non-magnetic stainless steel
ANSWER: W) CAST IRON
7) Energy – Multiple Choice According to the US Energy Information Administration, in cents per kilowatt-hour,
which of the following is closest to the average cost of electricity for an American household in 2014?
W) 2
X) 6
Y) 12
Z) 16
ANSWER: Y) 12
8) Earth and Space – Multiple Choice Territorial waters are defined as extending how many nautical miles from a
shoreline?
W) 7
X) 12
Y) 50
Z) 65
ANSWER: X) 12
9) Life Science – Short Answer Most extremophiles are placed into what biological domain?
ANSWER: ARCHAEA (ACCEPT: ARCHAEABACTERIA)
8) Earth and Space – Short Answer Titan is Saturn’s satellite and shares similarities with Earth. However, it may
become depressing during a long-term visit, due to the fact that, rounded to a single significant figure, Titan receives what
percent of the sunlight Earth receives?
ANSWER: ONE
9) Life Science – Short Answer Identify all of the following three characteristics that are possessed by both plants and
animals: 1) Nuclear envelope; 2) Mitochondria [my-tow-KON-dree-ah]; 3) Chloroplasts [KLOR-oh-plasts].
ANSWER: 1 AND 2
