MS Sample Set 8, Round 4 from NSB
What is the primary component of natural gas? W) Methane X) Helium Y) Hydrogen Z) Oil
W: W) Methane
X: X) Helium
Y: Y) Hydrogen
Z: Z) Oil
Answer: W) W) Methane
The second electron shell in an atom can hold up to how many electrons, and contains how many different orbital shapes, respectively? W) 8, 2 X) 2, 8 Y) 4, 8 Z) 8, 4
W: W) 8, 2
X: X) 2, 8
Y: Y) 4, 8
Z: Z) 8, 4
Answer: W) W) 8, 2
Which of the following types of organisms does NOT utilize oxygen for respiration? W) Aerobic X) Anaerobic Y) Autotrophic Z) Abiogenetic
W: W) Aerobic
X: X) Anaerobic
Y: Y) Autotrophic
Z: Z) Abiogenetic
Answer: X) X) Anaerobic
On what part of the Earth does every day have exactly the same number of hours of day and night?
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What is the equation of the line parallel to the x-axis and four units above the x-axis? W) x = −4 X) x = 4 Y) y = −4 Z) y = 4
W: W) x = −4
X: X) x = 4
Y: Y) y = −4
Z: Z) y = 4
Answer: Z) Z) y = 4
Simplify the expression: $$-3x + 12x^3 - 17x^2 + 5x^3 - 7x + 11x^2$$.
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What SI unit is used to describe the power of a motor or electric heater?
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Why is it best to hit a baseball on the sweet spot of a bat? W) There is less friction on the sweet spot X) The sweet spot is the widest part of the bat so it is easier to hit the ball Y) When the ball hits the sweet spot more force is imparted to it Z) Less energy is lost to bat vibrations when the ball hits the sweet spot
W: W) There is less friction on the sweet spot
X: X) The sweet spot is the widest part of the bat so it is easier to hit the ball
Y: Y) When the ball hits the sweet spot more force is imparted to it
Z: Z) Less energy is lost to bat vibrations when the ball hits the sweet spot
Answer: Z) Z) Less energy is lost to bat vibrations when the ball hits the sweet spot
Charles Darwin used what process to illustrate the mechanisms of natural selection? W) Artificial selection X) Biology Y) Natural history Z) Evolution
W: W) Artificial selection
X: X) Biology
Y: Y) Natural history
Z: Z) Evolution
Answer: W) W) Artificial selection
The majority of ocean organisms living in hydrothermal vents are believed to be which of the following? W) Protists X) Coral Y) Bacteria Z) Eels
W: W) Protists
X: X) Coral
Y: Y) Bacteria
Z: Z) Eels
Answer: Y) Y) Bacteria
What is the reproductive part of an angiosperm that will eventually develop into a seed? W) Endosperm X) Ovule Y) Stamen Z) Phloem
W: W) Endosperm
X: X) Ovule
Y: Y) Stamen
Z: Z) Phloem
Answer: X) X) Ovule
In aerobic respiration, what is the terminal electron acceptor in the electron transport chain?
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Why does the same side of the Moon always face the Earth? W) The Moon rotates about its axis about once per month X) The Moon rotates about its axis about once per year Y) The Moon and the Earth rotate about their axes at the same rate Z) The Moon does not rotate about its axis
W: W) The Moon rotates about its axis about once per month
X: X) The Moon rotates about its axis about once per year
Y: Y) The Moon and the Earth rotate about their axes at the same rate
Z: Z) The Moon does not rotate about its axis
Answer: W) W) The Moon rotates about its axis about once per month
You have some old silver coins and want to buy some more at the flea market. The seller shows you some old coins that look nearly identical to the ones you already have. What attribute could be measured to determine which coins are made of silver without destroying the coins?
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As a swing rises in the air, which of the following types of energy increases in the rider? W) Kinetic X) Thermal Y) Potential Z) Mechanical
W: W) Kinetic
X: X) Thermal
Y: Y) Potential
Z: Z) Mechanical
Answer: Y) Y) Potential
Of the approximately 12% of U.S. electricity production that comes from renewable resources, which source makes up 50–60% of this production?
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Cyclones forming in the northern hemisphere spin in what direction?
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Which of the following is NOT considered part of the nitrogen cycle? W) Ammonification X) Nitrification Y) Methanogenesis Z) Nitrogen fixation
W: W) Ammonification
X: X) Nitrification
Y: Y) Methanogenesis
Z: Z) Nitrogen fixation
Answer: Y) Y) Methanogenesis
Consider the following expression: $5x^2 + 16xy - 7y^2$. What is the coefficient of the second term?
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If the radius of a sphere is cut in half, what is the ratio of the volume of the new sphere to the volume of the original sphere?
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In what specific phase of meiosis do homologous chromosomes pair up?
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Which organism has a lateral line system? W) Shark X) Jellyfish Y) Limpet Z) Starfish
W: W) Shark
X: X) Jellyfish
Y: Y) Limpet
Z: Z) Starfish
Answer: W) W) Shark
What is an eddy? W) A young kangaroo X) Another name for a tornado Y) A circular current of water Z) Another name for a rip current
W: W) A young kangaroo
X: X) Another name for a tornado
Y: Y) A circular current of water
Z: Z) Another name for a rip current
Answer: Y) Y) A circular current of water
What is the name for the type of viruses that specifically infect bacteria?
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Which of the following is NOT one of the properties of forces? W) Net forces always change velocity X) Forces can cause a change in motion Y) Forces can cancel each other out Z) Forces in opposite directions always result in an unbalanced net force
W: W) Net forces always change velocity
X: X) Forces can cause a change in motion
Y: Y) Forces can cancel each other out
Z: Z) Forces in opposite directions always result in an unbalanced net force
Answer: Z) Z) Forces in opposite directions always result in an unbalanced net force
How many moles of carbon dioxide are required to react with 2 moles of water to form carbonic acid? W) 1 X) 2 Y) 2.5 Z) 4
W: W) 1
X: X) 2
Y: Y) 2.5
Z: Z) 4
Answer: X) X) 2
When a stone weathers, its tendency to become more rounded is known as what kind of weathering?
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New oceanic crust is formed at which of the following? W) Subduction zones X) Island arcs Y) Transform faults Z) Mid-ocean ridges
W: W) Subduction zones
X: X) Island arcs
Y: Y) Transform faults
Z: Z) Mid-ocean ridges
Answer: Z) Z) Mid-ocean ridges
Three pages are randomly chosen out of a textbook. The number of words on each page is 450, 447, and 456, respectively. What is the average number of words per page of the sampled pages?
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Your phone company charges 50 cents to place a long distance phone call and 17 cents per minute talked. If you spent $4.58 on a phone call, how long in minutes did it last?
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What organ in the human body is responsible for storing glucose in the form of glycogen? W) Pancreas X) Kidney Y) Liver Z) Spleen
W: W) Pancreas
X: X) Kidney
Y: Y) Liver
Z: Z) Spleen
Answer: Y) Y) Liver
A biologist wants to test the effect of a new food additive on growth in rats. An experimental group was fed a diet containing the additive. Which of the following would be an effective control group? W) A group of rats that ate a higher concentration of food additive X) A group of rats that were kept in different conditions across the city Y) A group of rats that were fed the same ration without the food additive Z) A group of rats that ate a lower concentration of the food additive
W: W) A group of rats that ate a higher concentration of food additive
X: X) A group of rats that were kept in different conditions across the city
Y: Y) A group of rats that were fed the same ration without the food additive
Z: Z) A group of rats that ate a lower concentration of the food additive
Answer: Y) Y) A group of rats that were fed the same ration without the food additive
Bats use what system to navigate in darkness? W) Echolocation X) Sound waves Y) Radar Z) Vibration
W: W) Echolocation
X: X) Sound waves
Y: Y) Radar
Z: Z) Vibration
Answer: W) W) Echolocation
Of the types of radiation involving the decay of the nucleus of an atom, which one results in the release of an electron?
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If a fireman turns on his water hose and is knocked backwards; of which of Newton’s three laws of motion is this an example?
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Which of the following is a metalloid? W) Iron X) Silicon Y) Mercury Z) Selenium
W: W) Iron
X: X) Silicon
Y: Y) Mercury
Z: Z) Selenium
Answer: X) X) Silicon
What is the term for a chemical reaction that absorbs heat as the reaction proceeds?
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Which of the following is the most common and likely source of exposure to harmful radiation for most people? W) Discovering a piece of abandoned equipment from the nuclear industry X) Exposure to a spent fuel rod Y) Living near a nuclear power plant Z) Radon exposure in the home
W: W) Discovering a piece of abandoned equipment from the nuclear industry
X: X) Exposure to a spent fuel rod
Y: Y) Living near a nuclear power plant
Z: Z) Radon exposure in the home
Answer: Z) Z) Radon exposure in the home
If a telescope is left unguided, what will be observed in long-exposure photographs taken through it?
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Most continents contain large central areas in which very ancient rocks are exposed. What are these areas called? W) Shields X) Cratons Y) Platforms Z) Orogenic belts
W: W) Shields
X: X) Cratons
Y: Y) Platforms
Z: Z) Orogenic belts
Answer: X) X) Cratons
A mission to an alien planet discovers sentient beings that have developed a currency system using krats, shans, and lars. They tell you that 6 krats equal 15 shans, and 15 shans equal 45 lars. You know from your math classes on Earth that 6 krats therefore equal 45 lars. What property does this demonstrate?
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Solve for x: $$\sqrt{x - 4} = -7$$. W) -45 X) -3 Y) 53 Z) ∅ [Null set]
W: W) -45
X: X) -3
Y: Y) 53
Z: Z) ∅ [Null set]
Answer: Z) Z) ∅ [Null set]
The kingdom Plantae consists of members that are which of the following? W) Non-photosynthetic, multicellular, and eukaryotic X) Photosynthetic, multicellular, and eukaryotic Y) Photosynthetic, multicellular, and prokaryotic Z) Photosynthetic, unicellular, and prokaryotic
W: W) Non-photosynthetic, multicellular, and eukaryotic
X: X) Photosynthetic, multicellular, and eukaryotic
Y: Y) Photosynthetic, multicellular, and prokaryotic
Z: Z) Photosynthetic, unicellular, and prokaryotic
Answer: X) X) Photosynthetic, multicellular, and eukaryotic
What is the source of light in the deep ocean?
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What term describes the outer solid part of the Earth, including the crust and uppermost mantle?
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You are trying to decide what to wear to school today and feel like wearing something green. You turn on the incandescent light in your closet and pull out a green shirt. Why does the shirt look green? W) The shirt is giving off a green light X) The shirt absorbs the green wavelengths of the visible light spectrum and reflects all others Y) The shirt reflects the green wavelengths of the visible light spectrum and absorbs all others Z) The shirt absorbs the white wavelengths of the visible light spectrum and converts the others into visible green wavelengths
W: W) The shirt is giving off a green light
X: X) The shirt absorbs the green wavelengths of the visible light spectrum and reflects all others
Y: Y) The shirt reflects the green wavelengths of the visible light spectrum and absorbs all others
Z: Z) The shirt absorbs the white wavelengths of the visible light spectrum and converts the others into visible green wavelengths
Answer: Y) Y) The shirt reflects the green wavelengths of the visible light spectrum and absorbs all others