MS Sample Set 2, Round 10 from NSB
Fungi are usually spread most effectively by: W) water born hyphae X) airborne spores Y) animal ingestion of spores Z) soil germination of seeds
W: W) water born hyphae
X: X) airborne spores
Y: Y) animal ingestion of spores
Z: Z) soil germination of seeds
Answer: X) X) airborne spores
When using a compound light microscope, which of the following is the proper procedure for focusing? W) begin with a low power objective and use only coarse focus when using the high power objective X) begin with a high power objective and use only fine focus when using the low power objective Y) begin with a low power objective and use only fine focus when using the high power objective Z) begin with a high power objective and use only coarse focus when using the low power objective
W: W) begin with a low power objective and use only coarse focus when using the high power objective
X: X) begin with a high power objective and use only fine focus when using the low power objective
Y: Y) begin with a low power objective and use only fine focus when using the high power objective
Z: Z) begin with a high power objective and use only coarse focus when using the low power objective
Answer: Y) Y) begin with a low power objective and use only fine focus when using the high power objective
Factor the following quadratic equation: 6x² + 9x + 2
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If you count from 1 to 100, how many 9’s will you pass on the way?
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Which of the following is a binomial? W) x² X) 5x² + x − 2 Y) π Z) x − 2
W: W) x²
X: X) 5x² + x − 2
Y: Y) π
Z: Z) x − 2
Answer: Z) Z) x − 2
What are all the integral factors of the number 22?
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During photosynthesis, for every molecule of glucose that is made, how many molecules of carbon dioxide and water are consumed? W) six carbon dioxide molecules and six water molecules X) four carbon dioxide molecules and four water molecules Y) twelve carbon dioxide molecules and twelve water molecules Z) six carbon dioxide molecules and twelve water molecules
W: W) six carbon dioxide molecules and six water molecules
X: X) four carbon dioxide molecules and four water molecules
Y: Y) twelve carbon dioxide molecules and twelve water molecules
Z: Z) six carbon dioxide molecules and twelve water molecules
Answer: W) W) six carbon dioxide molecules and six water molecules
Which of the following best describes antibodies: W) a class of polysaccharides involved in the immune system X) a group of proteins made by plasma cells in response to a foreign substance Y) small bodies of insects that look like ants Z) a class of genes produced by the immune system to fight disease
W: W) a class of polysaccharides involved in the immune system
X: X) a group of proteins made by plasma cells in response to a foreign substance
Y: Y) small bodies of insects that look like ants
Z: Z) a class of genes produced by the immune system to fight disease
Answer: X) X) a group of proteins made by plasma cells in response to a foreign substance
If wind speeds in a storm are clocked in excess of 200 mph, this is most likely a measurement within a: W) typical thunder storm X) tornado Y) hurricane Z) microburst
W: W) typical thunder storm
X: X) tornado
Y: Y) hurricane
Z: Z) microburst
Answer: X) X) tornado
S-waves produced by earthquakes do not travel through the Earth’s: W) crust X) mantle Y) outer core Z) lithosphere
W: W) crust
X: X) mantle
Y: Y) outer core
Z: Z) lithosphere
Answer: Y) Y) outer core
What causes skin to sunburn after prolonged exposure to sunlight? W) infrared light X) X-rays Y) ultraviolet light Z) cosmic rays
W: W) infrared light
X: X) X-rays
Y: Y) ultraviolet light
Z: Z) cosmic rays
Answer: Y) Y) ultraviolet light
An automobile traveling at 100 km/h has how many more times the kinetic energy than the same vehicle traveling at 50 km/h?
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The melting of lead, the freezing of water, and the sublimation of dry ice are all examples of which of the following: W) chemical reactions X) separation processes Y) condensation processes Z) physical changes
W: W) chemical reactions
X: X) separation processes
Y: Y) condensation processes
Z: Z) physical changes
Answer: Z) Z) physical changes
If a 90 kg object displaces 30 kg of water when immersed, what will its apparent weight be?
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Which of the following temperatures in degrees Centigrade most likely corresponds to the hottest day on record anywhere in the USA: W) 26 °C X) 41 °C Y) 57 °C Z) 65 °C
W: W) 26 °C
X: X) 41 °C
Y: Y) 57 °C
Z: Z) 65 °C
Answer: Y) Y) 57 °C
We know from solar eclipses that the Moon and the Sun appear in the sky to be: W) about the same diameter X) much different in size Y) in orbit around the Earth Z) moving on a collision course
W: W) about the same diameter
X: X) much different in size
Y: Y) in orbit around the Earth
Z: Z) moving on a collision course
Answer: W) W) about the same diameter
The spines of cacti are a modification of what plant structure?
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Which of the following cells would typically be capable of the greatest amount of phagocytosis: W) plasma cells X) lymphocytes Y) mast cells Z) macrophages
W: W) plasma cells
X: X) lymphocytes
Y: Y) mast cells
Z: Z) macrophages
Answer: Z) Z) macrophages
Which of the following is TRUE of the equation 3x + 9 = 9 + 3x? W) the equation is conditional X) the equation is an identity Y) it is an equation with no solution Z) the equation has an infinite number of solutions
W: W) the equation is conditional
X: X) the equation is an identity
Y: Y) it is an equation with no solution
Z: Z) the equation has an infinite number of solutions
Answer: X) X) the equation is an identity
What 3 consecutive numbers add up to 39?
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The San Andreas Fault in California is an example of what type of plate margin: W) divergent margin X) convergent margin Y) transform fault margin Z) subduction margin
W: W) divergent margin
X: X) convergent margin
Y: Y) transform fault margin
Z: Z) subduction margin
Answer: Y) Y) transform fault margin
Order the following minerals from the hardest to the softest: Corundum; Quartz; Fluorite
Choices:
Correct Order:
Which of the following is largely responsible for the characteristic bad odor of a rotten egg? W) sulfuric acid X) hydrogen sulfide Y) sodium chloride Z) nitrogen oxide
W: W) sulfuric acid
X: X) hydrogen sulfide
Y: Y) sodium chloride
Z: Z) nitrogen oxide
Answer: X) X) hydrogen sulfide
Which of the following solutions will conduct electricity the best? W) sugar and distilled water X) alcohol and distilled water Y) sodium chloride and distilled water Z) moth balls and alcohol
W: W) sugar and distilled water
X: X) alcohol and distilled water
Y: Y) sodium chloride and distilled water
Z: Z) moth balls and alcohol
Answer: Y) Y) sodium chloride and distilled water
If Todd weighs 88 pounds, rounded to the nearest whole number, how much does he weigh in kilograms?
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Which of the following U.S. year-2001 coins is closest in diameter to 2 cm? W) a dollar X) a quarter Y) a dime Z) a penny
W: W) a dollar
X: X) a quarter
Y: Y) a dime
Z: Z) a penny
Answer: Z) Z) a penny
How many times does the Moon appear as half-full during a single lunar cycle?
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Which of the following is true of the Hawaiian chain of islands: W) they show increasing age from the northwest to the southeast X) they are thought to be the result of the lithosphere moving over a hot spot Y) they represent what could happen when plates interact at a convergent boundary Z) all the islands have approximately the same age
W: W) they show increasing age from the northwest to the southeast
X: X) they are thought to be the result of the lithosphere moving over a hot spot
Y: Y) they represent what could happen when plates interact at a convergent boundary
Z: Z) all the islands have approximately the same age
Answer: X) X) they are thought to be the result of the lithosphere moving over a hot spot
A figure skater who, while spinning in place, pulls her arms in to increase her rotational speed, is most closely exhibiting which of the following: W) conservation of angular momentum X) centrifugal force Y) satellite motion Z) centripetal acceleration
W: W) conservation of angular momentum
X: X) centrifugal force
Y: Y) satellite motion
Z: Z) centripetal acceleration
Answer: W) W) conservation of angular momentum
The centrifugal effect perceived by a person on a carousel is most accurately attributed to which of the following: W) friction X) a stationary frame of reference Y) constant velocity and accelerating angular momentum Z) inertia
W: W) friction
X: X) a stationary frame of reference
Y: Y) constant velocity and accelerating angular momentum
Z: Z) inertia
Answer: Z) Z) inertia
Add the following: 1/3 + 1/2 + 1/12
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What is the average speed, in miles per hour, of a person who travels 120 miles in 3 hours, 40 miles the next 3 hours, and 36 miles the following 2 hours?
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The red color of Navajo sandstone is primarily because of the presence of what element?
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It is estimated that the temperature of the Earth’s core is: W) as hot as the surface of the sun X) much hotter than the surface of the sun Y) much cooler than the surface of the sun Z) it cannot be estimated
W: W) as hot as the surface of the sun
X: X) much hotter than the surface of the sun
Y: Y) much cooler than the surface of the sun
Z: Z) it cannot be estimated
Answer: W) W) as hot as the surface of the sun
If the full moon rises in Nebraska at about 9 p.m., which of the following will most likely be the approximate time it rises the next day? W) 7:30 p.m. X) 8:45 p.m. Y) 9:00 p.m. Z) 9:50 p.m.
W: W) 7:30 p.m.
X: X) 8:45 p.m.
Y: Y) 9:00 p.m.
Z: Z) 9:50 p.m.
Answer: Z) Z) 9:50 p.m.
Name 2 places on earth where continental glaciers exist:
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Which of the following is a monocot: W) Acer rubrum X) Quercus rubra Y) Zea maize Z) Echinacea angustifolia
W: W) Acer rubrum
X: X) Quercus rubra
Y: Y) Zea maize
Z: Z) Echinacea angustifolia
Answer: Y) Y) Zea maize
Which of the following is TRUE about a typical liver cell: W) most genes are arranged in operon-like clusters X) it has very few mitochondria Y) most genes are transcribed continuously Z) most of the DNA does not code for proteins
W: W) most genes are arranged in operon-like clusters
X: X) it has very few mitochondria
Y: Y) most genes are transcribed continuously
Z: Z) most of the DNA does not code for proteins
Answer: Z) Z) most of the DNA does not code for proteins
How many degrees are in one internal angle of a regular pentagon?
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A farmer wishes to make a straight barbed wire fence 80 feet long. He wants to have a fence post every 8 feet. How many fence posts does he need?
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Which of the following is the best description of a cell membrane also known as the plasma membrane? W) it is permeable and made of mostly proteins X) it is semi-permeable and made mostly of proteins in a lipid bilayer Y) it is impermeable and made up mostly of lipids Z) it is a fluid mosaic composed of a protein bilayer
W: W) it is permeable and made of mostly proteins
X: X) it is semi-permeable and made mostly of proteins in a lipid bilayer
Y: Y) it is impermeable and made up mostly of lipids
Z: Z) it is a fluid mosaic composed of a protein bilayer
Answer: X) X) it is semi-permeable and made mostly of proteins in a lipid bilayer
The development of embryonic cells that allows them to become different specialized cells of different organs and tissue and then function in very different ways in an adult organism is best explained by which of the following: W) they have evolved different genomes X) they each contain different genes Y) they use different genetic codes Z) different genes are expressed or turned on and off in different cells
W: W) they have evolved different genomes
X: X) they each contain different genes
Y: Y) they use different genetic codes
Z: Z) different genes are expressed or turned on and off in different cells
Answer: Z) Z) different genes are expressed or turned on and off in different cells
To describe a force you must give: W) the origin of the force X) its magnitude Y) the mass of an object Z) its direction and magnitude
W: W) the origin of the force
X: X) its magnitude
Y: Y) the mass of an object
Z: Z) its direction and magnitude
Answer: Z) Z) its direction and magnitude
Order the following substances from the least dense to the most dense: gold; water at 1 °C; water at 4 °C; iron
Choices:
Correct Order:
A person who had polydactylia would have too many of what?
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Consider a tree that grows 20 cm taller each year. If you marked a spot 100 cm from ground level up the trunk of the tree, about how high from the ground would the mark be in 6 years?
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Which of the following is the largest in length? A light year; 1,860,000 miles; a parsec; a furlong; a hectometer
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Order the following from the most acidic to the most basic: household liquid ammonia; milk; tomato juice; pure water
Choices:
Correct Order:
Passive transport differs mostly from active transport since passive transport requires: W) ATP X) spectrin proteins Y) no energy Z) mitochondria
W: W) ATP
X: X) spectrin proteins
Y: Y) no energy
Z: Z) mitochondria
Answer: Y) Y) no energy
After taking 20 readings of the outside winter air temperature during an experiment, Kathy realizes that the first reading is more than 20% higher than all the following readings. She quickly remembers that she forgot to allow the thermometer, which was stored in a warm room, to adjust to the outside temperature. Which of the following is the most appropriate solution to her problem of what seems to be an experimental error: W) discuss the error with the other scientists and then discard the reading X) repeat the experiment, and if no other readings are unusually high she can discard the initial high reading as long as she explains why Y) repeat the experiment and average in the high reading Z) buy a new thermometer
W: W) discuss the error with the other scientists and then discard the reading
X: X) repeat the experiment, and if no other readings are unusually high she can discard the initial high reading as long as she explains why
Y: Y) repeat the experiment and average in the high reading
Z: Z) buy a new thermometer
Answer: Y) Y) repeat the experiment and average in the high reading