MS Sample Set 9, Round 10 from NSB
Annie has 12 candy bars in a bag. Nine of them are Snick bars and 3 of them are Milky bars. If she randomly selects a candy bar from the bag, what are the odds that the bar will be a Milky bar? W) 1 to 12 X) 1 to 4 Y) 1 to 3 Z) 3 to 1
W: W) 1 to 12
X: X) 1 to 4
Y: Y) 1 to 3
Z: Z) 3 to 1
Answer: Y) Y) 1 to 3
A student makes the following conjecture: “If a quadrilateral is a rectangle, then it must be a parallelogram.” If someone doesn’t believe this conjecture is true, which of the following would be necessary to have a counterexample to it? W) A rectangle that is a parallelogram X) A parallelogram that is a rectangle Y) A rectangle that is not a parallelogram Z) A parallelogram that is not a rectangle
W: W) A rectangle that is a parallelogram
X: X) A parallelogram that is a rectangle
Y: Y) A rectangle that is not a parallelogram
Z: Z) A parallelogram that is not a rectangle
Answer: Y) Y) A rectangle that is not a parallelogram
A pencil sitting in a glass of water appears bent because light bends as it passes from water to the surrounding air and vice versa. This is an example of what process? W) Reflection X) Refraction Y) Diffraction Z) Absorption
W: W) Reflection
X: X) Refraction
Y: Y) Diffraction
Z: Z) Absorption
Answer: X) X) Refraction
Einstein received the Nobel Prize for his analysis of what physical phenomenon?
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The dynamo effect enables Earth's core to generate what? W) Electric field X) Mantle convection Y) Magnetic field Z) Radioactive elements
W: W) Electric field
X: X) Mantle convection
Y: Y) Magnetic field
Z: Z) Radioactive elements
Answer: Y) Y) Magnetic field
What devices are used to measure humidity?
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What part of the brain is responsible for muscle coordination and is involved with muscle memory?
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By what process do bacterial cells divide?
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What is the SI unit of electric current?
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Order the following countries from least to greatest in terms of the percentage of their power generation that comes from renewable energy sources: 1) United States; 2) Iceland; 3) Brazil.
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Where are Haversian canals found? W) Pancreatic ducts X) Liver portal veins Y) Inside of bones Z) Hair follicles
W: W) Pancreatic ducts
X: X) Liver portal veins
Y: Y) Inside of bones
Z: Z) Hair follicles
Answer: Y) Y) Inside of bones
What is the common name of the chemical NH₃?
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At which of the following pH values would pepsin be most active? W) 2 X) 4 Y) 6 Z) 8
W: W) 2
X: X) 4
Y: Y) 6
Z: Z) 8
Answer: W) W) 2
What is the process of constructing an mRNA molecule from DNA?
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The nucleus of the most common isotope of hydrogen is formed from which of the following? W) A single proton X) A single neutron Y) One proton and one electron Z) One neutron and one proton
W: W) A single proton
X: X) A single neutron
Y: Y) One proton and one electron
Z: Z) One neutron and one proton
Answer: W) W) A single proton
An electron is emitted by an atomic nucleus in the process of: W) Alpha decay X) Beta decay Y) Nuclear fission Z) Nuclear fusion
W: W) Alpha decay
X: X) Beta decay
Y: Y) Nuclear fission
Z: Z) Nuclear fusion
Answer: X) X) Beta decay
If a computer’s hard drive can hold 2 to the 40th bytes, it can hold one of what unit of storage capacity?
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What name is given to a group of organisms that are the first to establish themselves in an area after a disruption?
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Fifty is multiplied by a number between 0 and 1. Which of the following must be true about the product? W) It is less than 1 X) It is between 0 and 50 Y) It is rational Z) It is irrational
W: W) It is less than 1
X: X) It is between 0 and 50
Y: Y) It is rational
Z: Z) It is irrational
Answer: X) X) It is between 0 and 50
Bobby saved $32 when he purchased a jacket at a clearance sale. If the sale price was 40% off the regular price, what was the regular price of the jacket? W) $48 X) $72 Y) $80 Z) $128
W: W) $48
X: X) $72
Y: Y) $80
Z: Z) $128
Answer: Y) Y) $80
In a photovoltaic cell, two types of semiconductors are placed next to each other. What is the term for this point of contact?
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Order the following three sectors from least to greatest in terms of propane consumption in the US: 1) Residential; 2) Transportation; 3) Chemical and industrial.
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What is the spectral class of the Sun?
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What is the term for the continuous or broken ring of coral reef that surrounds a lagoon?
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Place the following four steps of mitosis in their proper order: 1) Anaphase; 2) Telophase; 3) Metaphase; 4) Prophase.
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What is the name of the monosaccharide that RNA possesses and DNA does not?
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The ionosphere is a region of ionized gas in the upper atmosphere. The ionosphere is extremely important to: W) The color of the sky X) Rainbows Y) Radio communication Z) The ability of satellites to orbit earth
W: W) The color of the sky
X: X) Rainbows
Y: Y) Radio communication
Z: Z) The ability of satellites to orbit earth
Answer: Y) Y) Radio communication
What property of water causes it to form small droplets and allows water striders to walk across pools of water?
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Which of the following tests is most useful for determining whether or not a relation defined by a graph is a function? W) Horizontal line test X) Vertical line test Y) Increasing test Z) First derivative test
W: W) Horizontal line test
X: X) Vertical line test
Y: Y) Increasing test
Z: Z) First derivative test
Answer: X) X) Vertical line test
If each edge of a cube is decreased by 80%, by what percentage is the volume decreased?
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Photophosphorylation is used in the plant cell to generate what molecule?
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Identify all of the following three conditions that would denature a protein: 1) Heating to 130 °C; 2) Adding 6 molar urea; 3) Adding 0.1 molar sodium chloride.
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What type of volcano is characterized by gently sloping sides and fluid basaltic lavas?
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What is the term for large areas on continents that are composed of very ancient rocks?
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In what organelle does the citric acid cycle occur?
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Sponges are part of what phylum?
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What state generates the most solar power in the United States?
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A photovoltaic cell doped with phosphorus will result in what type of semiconductor?
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As a decimal rounded to the hundredths place, what is 20% of 80% of 14?
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A mail order movie store is having a sale. For a limited time, DVDs are \$8.80 each and the shipping and handling charge for the order is \$3.27. What is the largest number of DVDs that can be bought for \$100?
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What term is used to describe recognizable groups of stars that are not constellations, such as the Big Dipper?
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What atmospheric gas is most responsible for ocean acidification?
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What type of process occurs without heat entering or leaving the system?
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What pair of endocrine glands secrete epinephrine and norepinephrine?
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According to Newton’s Laws, the net force acting on a body is the product of what two quantities?
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What functional group is represented by –NH₂?
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