MS Sample Set 10, Round 11 from NSB
Which of the following energies is harnessed by floating generators? W) Wind energy X) Tidal energy Y) Wave energy Z) Bio-energy
W: W) Wind energy
X: X) Tidal energy
Y: Y) Wave energy
Z: Z) Bio-energy
Answer: Y) Y) Wave energy
Researchers are currently working on generating fuel from algae, known as algal biofuel. Which of the following is NOT expected to be replaced with an equivalent algal biofuel? W) Gasoline X) Diesel fuel Y) Jet fuel Z) Home heating oil
W: W) Gasoline
X: X) Diesel fuel
Y: Y) Jet fuel
Z: Z) Home heating oil
Answer: Z) Z) Home heating oil
Which of the following is true regarding plutonic rocks? W) They are often fine-grained X) They crystallized within the Earth’s crust Y) They have a glassy texture Z) They cooled very quickly
W: W) They are often fine-grained
X: X) They crystallized within the Earth’s crust
Y: Y) They have a glassy texture
Z: Z) They cooled very quickly
Answer: X) X) They crystallized within the Earth’s crust
If a simple river’s discharge is 400 meters cubed per second, and its velocity is 5 meters per second, in meters squared, what is its cross-sectional area?
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Which of the following is closest to the number of people living on Earth? W) 70 million X) 700 million Y) 7 billion Z) 70 billion
W: W) 70 million
X: X) 700 million
Y: Y) 7 billion
Z: Z) 70 billion
Answer: Y) Y) 7 billion
Identify the last names of the scientists responsible for formalizing the scientific laws related to each of the following three physical phenomena: 1) Gravity; 2) Buoyancy principle; 3) Planetary motion.
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In ecology, what does the term detritus refer to? W) A by-product of bioluminescence X) A type of virus Y) Dead and decaying organic material Z) Organelles found only in plants
W: W) A by-product of bioluminescence
X: X) A type of virus
Y: Y) Dead and decaying organic material
Z: Z) Organelles found only in plants
Answer: Y) Y) Dead and decaying organic material
A student puts an elodea plant into a test tube and adds water and baking soda. After putting the test tube under 24 hours of light, the student notices bubbles forming on the leaves. The bubbles are most probably which of the following? W) Oxygen gas X) Carbon dioxide gas Y) Hydrogen gas Z) Nitrogen gas
W: W) Oxygen gas
X: X) Carbon dioxide gas
Y: Y) Hydrogen gas
Z: Z) Nitrogen gas
Answer: W) W) Oxygen gas
The endpoints of a diameter of a circle have coordinates (3, 4) and (–3, –2). What are the coordinates of the center of the circle?
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Rounding your answer to the nearest 10 000, what is 347 times 682?
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If a beam of laser light hits a smooth mirror and the angle of reflection measured to the normal is found to be 30 degrees, what is the angle of incidence, in degrees, measured to the normal?
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How many moles of H₃PO₄ have the same number of hydrogen atoms as 9 moles of Ba(OH)₂?
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In an electrochemical cell, where does oxidation occur?
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An object that keeps the same speed while changing direction is: W) Slowing down X) Speeding up Y) Accelerating Z) Displacing
W: W) Slowing down
X: X) Speeding up
Y: Y) Accelerating
Z: Z) Displacing
Answer: Y) Y) Accelerating
What is the sum of the following three fractions: 1/7 + 1/9 + 1/63?
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The point with coordinates (4, 3) is rotated 90 degrees clockwise about the origin. What are the coordinates of the image point?
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Which of the following elements is released during coal burning and contributes to acid rain? W) Nickel X) Sulfur Y) Hydrogen Z) Uranium
W: W) Nickel
X: X) Sulfur
Y: Y) Hydrogen
Z: Z) Uranium
Answer: X) X) Sulfur
Identify all of the following three statements that are true each June on the summer solstice: 1) Earth is at the closest point in its orbit to the Sun; 2) At noon in Washington D.C., a vertical stick will cast a shadow; 3) On the tropic of Capricorn, the noon sun angle is 90 degrees.
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The act of girdling a tree would most likely be done by which of the following? W) Porcupines X) Woodpeckers Y) Colony of tent caterpillars Z) Flock of starlings
W: W) Porcupines
X: X) Woodpeckers
Y: Y) Colony of tent caterpillars
Z: Z) Flock of starlings
Answer: W) W) Porcupines
Amylase starts the chemical reaction of breaking down starch in the mouth. In which of the following categories of proteins is amylase classified? W) Antibodies X) Enzymes Y) Hormones Z) Globulins
W: W) Antibodies
X: X) Enzymes
Y: Y) Hormones
Z: Z) Globulins
Answer: X) X) Enzymes
Which of the following instruments would be the best choice if you wanted to measure wind speed? W) Anemometer X) Barometer Y) Speedometer Z) Clinometer
W: W) Anemometer
X: X) Barometer
Y: Y) Speedometer
Z: Z) Clinometer
Answer: W) W) Anemometer
Which of the following would be considered a necessary feature of a highly successful experiment among the scientific community? W) Greater than 90 percent accurate X) Greater than 90 percent precision rates Y) Multiple controls and randomized treatment groups Z) Highly replicable
W: W) Greater than 90 percent accurate
X: X) Greater than 90 percent precision rates
Y: Y) Multiple controls and randomized treatment groups
Z: Z) Highly replicable
Answer: Z) Z) Highly replicable
As of 2014, which of the following countries generates the largest percentage of its electricity using nuclear power? W) Sweden X) United Kingdom Y) United States Z) Japan
W: W) Sweden
X: X) United Kingdom
Y: Y) United States
Z: Z) Japan
Answer: W) W) Sweden
Adding what diatomic gas to compressed natural gas reduces nitrogen oxide emissions by up to half?
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How many exterior angles does a convex hexagon have?
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A polyhedron has 8 faces. Identify all of the following four types of polyhedra it could be: 1) Regular polyhedron; 2) Hexagonal prism; 3) Hexagonal pyramid; 4) Septagonal pyramid.
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Which of the following is closest to the number of commercial nuclear reactors currently operating in the United States? W) 25 X) 45 Y) 100 Z) 160
W: W) 25
X: X) 45
Y: Y) 100
Z: Z) 160
Answer: Y) Y) 100
The Vermont Yankee Nuclear Power Plant closed in 2014. After that closure, according to the Nuclear Energy Institute, what U.S. state has the largest percentage of the electricity generated within its borders from nuclear power?
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What type of radioactive decay does carbon-14 undergo to become nitrogen-14?
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An object of weight 2.5 pounds is dropped from a height such that by the time it hits the ground it is moving at a speed of 8 feet per second. From what height, in feet, was the object dropped? W) 1 X) 2 Y) 4 Z) 8
W: W) 1
X: X) 2
Y: Y) 4
Z: Z) 8
Answer: W) W) 1
A textbook picture shows two magnified images of different organelles. Image A shows the first organelle magnified 18,000 times. Image B shows the second organelle magnified 350 times. Both look the same size on the page. Which organelle is smaller? W) The one in image A X) The one in image B Y) They are both the same size Z) You can't tell from the information given
W: W) The one in image A
X: X) The one in image B
Y: Y) They are both the same size
Z: Z) You can't tell from the information given
Answer: W) W) The one in image A
The ileum and the duodenum aid in what metabolic process in the human body?
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How many minutes equal 10 and 1/2 hours?
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What is the area of a regular hexagon with sides of length 8?
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What gas is the third most abundant gas in the Earth's atmosphere?
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Which of the following is closest to the average percent salinity of ocean water? W) 0.035 X) 0.35 Y) 3.5 Z) 35
W: W) 0.035
X: X) 0.35
Y: Y) 3.5
Z: Z) 35
Answer: Y) Y) 3.5
If you are performing a dissection and your scalpel meets resistance cutting into a specimen, how should you proceed? W) Gently apply more pressure X) Move the scalpel in a sawing motion Y) Use a different instrument Z) Use the scalpel in an upward rather than downward motion
W: W) Gently apply more pressure
X: X) Move the scalpel in a sawing motion
Y: Y) Use a different instrument
Z: Z) Use the scalpel in an upward rather than downward motion
Answer: Y) Y) Use a different instrument
Place the following four events in chronological order: 1) Darwin publishes "On the Origin of Species"; 2) Goodyear vulcanizes rubber; 3) The first Tyrannosaurus Rex fossil is discovered; 4) Dalton publishes “A New System of Chemical Philosophy” in which he gives symbols and weights to 20 elements.
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Besides itself, what is the largest integer factor of 255?
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Simplify the expression: 6 plus 6 times 6 minus 6 divided by 6
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When designing a solar panel field in the northern hemisphere, in what cardinal direction should the panels tilt to collect the greatest solar energy collection? W) North X) South Y) East Z) West
W: W) North
X: X) South
Y: Y) East
Z: Z) West
Answer: X) X) South
If a 1-kilogram rock is launched straight up with a kinetic energy of 4.9 joules, how high, in meters, will it go before it falls back down?
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Which of the following is an abiotic factor that would most greatly affect the presence of an Archaea species typically found in ocean thermal vents? W) Algae X) Temperature Y) Rocks and soil Z) Bacteria
W: W) Algae
X: X) Temperature
Y: Y) Rocks and soil
Z: Z) Bacteria
Answer: X) X) Temperature
Which of the following is NOT a distinguishing characteristic of members of the subphylum Crustacea? W) Highly specialized appendages X) Two pairs of antennae Y) Modified appendages as mouth parts Z) Walking legs present on the abdomen
W: W) Highly specialized appendages
X: X) Two pairs of antennae
Y: Y) Modified appendages as mouth parts
Z: Z) Walking legs present on the abdomen
Answer: Z) Z) Walking legs present on the abdomen
Cepheid variables are most useful for determining which of the following? W) Age of another galaxy X) Distance to another galaxy Y) Density of another galaxy Z) Number of supernovae per year
W: W) Age of another galaxy
X: X) Distance to another galaxy
Y: Y) Density of another galaxy
Z: Z) Number of supernovae per year
Answer: X) X) Distance to another galaxy
If you are within the eyewall of a typhoon in the Mariana Islands and the wind blows in your face when you look to the southeast, in what ordinal compass direction should you move to find the calm of the typhoon's eye?
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