MS Sample Set 6, Round 2 from NSB
An angle measures 45°. What is the measure of its supplement, in degrees?
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Given that a cubit is a unit of length equal to 18 inches, which of the following is the longest? W) 3.1 cubits X) 78 inches Y) 6 feet Z) 2.1 yards
W: W) 3.1 cubits
X: X) 78 inches
Y: Y) 6 feet
Z: Z) 2.1 yards
Answer: X) X) 78 inches
How many chromatids would you find in a tetrad?
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Which of the following patterns of inheritance are NOT correctly paired? W) Red, pink, white color in flowers – sex-linked inheritance X) Eye color – dominance/recessive inheritance Y) ABO blood type – codominance Z) Colorblindness – sex-linked inheritance
W: W) Red, pink, white color in flowers – sex-linked inheritance
X: X) Eye color – dominance/recessive inheritance
Y: Y) ABO blood type – codominance
Z: Z) Colorblindness – sex-linked inheritance
Answer: W) W) Red, pink, white color in flowers – sex-linked inheritance
What is the molecular formula for magnesium chloride?
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Which of the following elements is contained in least significant concentrations in manganese nodules found on the ocean floor? W) Iron X) Plutonium Y) Nickel Z) Manganese
W: W) Iron
X: X) Plutonium
Y: Y) Nickel
Z: Z) Manganese
Answer: X) X) Plutonium
When $10^{-4}$ is written in decimal form, how many zeroes are to the right of the decimal?
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A gumball machine contains 30 green, 14 red, and 12 blue gumballs. Providing your answer as a fraction in lowest terms, if you put enough money in for one gumball, what is the probability that you will get a red gumball?
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What is the total resistance, in ohms, of two resistors in series when one is a 3 Ω resistor and the other is a 2 Ω resistor?
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Carbon-14 emits beta radiation and decays with a half life of 5730 years. Four half lives are about how long in years? W) 358 X) 716 Y) 1433 Z) 22,920
W: W) 358
X: X) 716
Y: Y) 1433
Z: Z) 22,920
Answer: Z) Z) 22,920
Which of the following is a measure of a mineral’s resistance to scratching? W) Hardness X) Streak Y) Luster Z) Fracture
W: W) Hardness
X: X) Streak
Y: Y) Luster
Z: Z) Fracture
Answer: W) W) Hardness
Moraines, drumlins, and eskers are depositional features caused by which of the following? W) Wind X) Glaciers Y) Gravity Z) Waves
W: W) Wind
X: X) Glaciers
Y: Y) Gravity
Z: Z) Waves
Answer: X) X) Glaciers
Which of the following portions of the seed serves as the plant embryo’s food supply until germination? W) Pollen X) Embryo Y) Endosperm Z) Gametophyte
W: W) Pollen
X: X) Embryo
Y: Y) Endosperm
Z: Z) Gametophyte
Answer: Y) Y) Endosperm
How many chambers are in the hearts of most reptiles?
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Why are exhaust fans energy efficient cooling mechanisms in early summer months? W) Electricity rates are lower in the summer X) Exhaust fans physically pull hot air out of the home Y) Exhaust fans create a cooling breeze Z) Exhaust fans create a vacuum that prevents hot air from leaking inside the home
W: W) Electricity rates are lower in the summer
X: X) Exhaust fans physically pull hot air out of the home
Y: Y) Exhaust fans create a cooling breeze
Z: Z) Exhaust fans create a vacuum that prevents hot air from leaking inside the home
Answer: X) X) Exhaust fans physically pull hot air out of the home
About how long in years do wind turbines typically last? W) 10 to 15 X) 20 to 25 Y) 30 to 40 Z) 50 to 60
W: W) 10 to 15
X: X) 20 to 25
Y: Y) 30 to 40
Z: Z) 50 to 60
Answer: X) X) 20 to 25
Which of the following adjectives best describes the ocean floor at a divergent plate boundary? W) Smooth X) Sandy Y) Mountainous Z) Flowing
W: W) Smooth
X: X) Sandy
Y: Y) Mountainous
Z: Z) Flowing
Answer: Y) Y) Mountainous
The movement of water through a plant is caused by which of the following? W) The attraction of water molecules to sugar molecules X) The force of osmosis drawing water into the roots Y) Transpiration from leaves and stems Z) Translocation of sugars in the stems
W: W) The attraction of water molecules to sugar molecules
X: X) The force of osmosis drawing water into the roots
Y: Y) Transpiration from leaves and stems
Z: Z) Translocation of sugars in the stems
Answer: Y) Y) Transpiration from leaves and stems
Providing your answer as a fraction in lowest terms, what is the probability that, if you toss a standard die once, you roll a two?
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If Chris weighs 15 pounds more than Stephanie, and together they weigh 99 pounds, what is Chris’ weight in pounds?
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Which of the following is NOT used in calculating acceleration? W) Initial velocity X) Average speed Y) Time interval Z) Final velocity
W: W) Initial velocity
X: X) Average speed
Y: Y) Time interval
Z: Z) Final velocity
Answer: X) X) Average speed
Which of the following is the pH of a substance with a hydronium concentration of $1 \times 10^{-13}$ moles per liter? W) –13 X) 5 Y) 9 Z) 13
W: W) –13
X: X) 5
Y: Y) 9
Z: Z) 13
Answer: Z) Z) 13
Which of the following energy sources is derived from living things? W) Uranium X) Peat Y) Steam Z) Photons
W: W) Uranium
X: X) Peat
Y: Y) Steam
Z: Z) Photons
Answer: X) X) Peat
In mechanical weathering, aeolian processes most affect which type of dry, low latitude environment?
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Glucose, sucrose, fructose, and lactose are all examples of which of the following? W) Lipids X) Proteins Y) Carbohydrates Z) Corn syrup
W: W) Lipids
X: X) Proteins
Y: Y) Carbohydrates
Z: Z) Corn syrup
Answer: Y) Y) Carbohydrates
Which of the following statements about microbial growth is most accurate? W) Microorganisms in the environment always grow at their maximum rate X) A given microbial species will usually grow faster in the environment than is possible in the laboratory Y) Prolonged exponential growth in the environment is rare for microorganisms Z) In the laboratory, growth slows when microorganisms are grown in pure culture
W: W) Microorganisms in the environment always grow at their maximum rate
X: X) A given microbial species will usually grow faster in the environment than is possible in the laboratory
Y: Y) Prolonged exponential growth in the environment is rare for microorganisms
Z: Z) In the laboratory, growth slows when microorganisms are grown in pure culture
Answer: Y) Y) Prolonged exponential growth in the environment is rare for microorganisms
Which of the following is a difficulty related to nuclear fusion? W) The temperature required to start the reaction X) The lack of deuterium on Earth Y) The products of the fusion process are radioactive Z) The smell
W: W) The temperature required to start the reaction
X: X) The lack of deuterium on Earth
Y: Y) The products of the fusion process are radioactive
Z: Z) The smell
Answer: W) W) The temperature required to start the reaction
Why are alkaline batteries NOT always recyclable? W) They may contain lead-acid X) They may contain nickel-cadmium Y) They may contain mercury Z) They may contain absorbent glass material
W: W) They may contain lead-acid
X: X) They may contain nickel-cadmium
Y: Y) They may contain mercury
Z: Z) They may contain absorbent glass material
Answer: Y) Y) They may contain mercury
Which of the following is an example of a food chain? W) Herring, cod, seal, shark, phytoplankton, copepod X) Phytoplankton, copepod, herring, cod, seal, shark Y) Cod, copepod, herring, phytoplankton, seal, shark Z) Herring, shark, seal, cod
W: W) Herring, cod, seal, shark, phytoplankton, copepod
X: X) Phytoplankton, copepod, herring, cod, seal, shark
Y: Y) Cod, copepod, herring, phytoplankton, seal, shark
Z: Z) Herring, shark, seal, cod
Answer: X) X) Phytoplankton, copepod, herring, cod, seal, shark
A number of people became ill after eating an oyster dinner in a restaurant. Which of the following statements is a hypothesis that may help explain why these people became sick? W) People who ate dinner on Thursday night at the restaurant became ill X) Anyone who eats oysters will get sick Y) The oysters served at the restaurant were contaminated with bacteria Z) Symptoms of the illness were nausea and dizziness
W: W) People who ate dinner on Thursday night at the restaurant became ill
X: X) Anyone who eats oysters will get sick
Y: Y) The oysters served at the restaurant were contaminated with bacteria
Z: Z) Symptoms of the illness were nausea and dizziness
Answer: Y) Y) The oysters served at the restaurant were contaminated with bacteria
What is the slope of a line passing through the points with coordinates (0, 0) and (4, 8)?
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If line segment AB with one endpoint A = (4, 2) has midpoint M = (5, 4), find the coordinates of point B.
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During a head-on car collision, what physical quantity remains constant for all passengers not wearing seat belts?
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Neglecting the effect of air resistance, what is the shape of the trajectory of a projectile launched at a $75^\circ$ angle from ground level?
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Which of the following mineral properties can be unreliable? W) Color X) Cleavage Y) Density Z) Crystal form
W: W) Color
X: X) Cleavage
Y: Y) Density
Z: Z) Crystal form
Answer: W) W) Color
A Sverdrup is a measure of flow for ocean currents equal to 1,000,000 cubic meters per second. If flow of the Amazon River is 200,000 cubic meters per second, how many Sverdrups is this to one decimal place?
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Which of the following is the male reproductive part of a flower? W) Stamen X) Sepal Y) Petal Z) Pistil
W: W) Stamen
X: X) Sepal
Y: Y) Petal
Z: Z) Pistil
Answer: W) W) Stamen
Which of the following statements is NOT true about leopards? W) They are hybrids of lions and panthers X) They can leap to the branch of a tree while holding an impala carcass in their mouths Y) They have a very broad diet Z) They are solitary
W: W) They are hybrids of lions and panthers
X: X) They can leap to the branch of a tree while holding an impala carcass in their mouths
Y: Y) They have a very broad diet
Z: Z) They are solitary
Answer: W) W) They are hybrids of lions and panthers
About what percent of aluminum soda cans were recycled in 2010? W) 10% X) 20% Y) 30% Z) 50%
W: W) 10%
X: X) 20%
Y: Y) 30%
Z: Z) 50%
Answer: Z) Z) 50%
What is the name of the machine that turns organic waste into natural gas?
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Which of the following statements best describes Darwin’s theory of natural selection? W) Giraffes who stretch their necks to reach leaves high in trees will pass this trait on to their offspring X) Giraffes have long necks because the trees are continuing to get taller Y) Giraffes with long necks can eat more food in the trees and will not reproduce Z) Giraffes that have longer necks can better reach food in the trees, survive, and reproduce
W: W) Giraffes who stretch their necks to reach leaves high in trees will pass this trait on to their offspring
X: X) Giraffes have long necks because the trees are continuing to get taller
Y: Y) Giraffes with long necks can eat more food in the trees and will not reproduce
Z: Z) Giraffes that have longer necks can better reach food in the trees, survive, and reproduce
Answer: Z) Z) Giraffes that have longer necks can better reach food in the trees, survive, and reproduce
Which of the following provides the best explanation for most localized die-offs of fish populations? W) Reduced oxygen levels in the water X) Intense sunlight during the summer months Y) A crash in the phytoplankton population Z) Global climate change
W: W) Reduced oxygen levels in the water
X: X) Intense sunlight during the summer months
Y: Y) A crash in the phytoplankton population
Z: Z) Global climate change
Answer: W) W) Reduced oxygen levels in the water
The measures of two acute angles in a right triangle are in the ratio 2:7. What are the measures in degrees of these two angles?
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Express the product of the two binomials $3x + 4$ and $2x + 1$ in standard polynomial form.
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If an object has a constant velocity, what is its acceleration?
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If a car’s velocity changes from 0 meters per second to 30 meters per second ten seconds later, what is its average acceleration in meters per second squared?
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The main Hawaiian Islands are the tops of giant undersea volcanoes. What type of volcanoes are they?
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Which of the following is considered a non-metallic mineral resource? W) Chromite X) Magnetite Y) Quartz Z) Platinum
W: W) Chromite
X: X) Magnetite
Y: Y) Quartz
Z: Z) Platinum
Answer: Y) Y) Quartz
What is the term for a biological preparation that imparts immunity or resistance to a particular disease, often containing an agent that resembles a disease-causing microorganism, such as weakened or killed forms of the microbe?
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What is the name of a diagram used to predict an outcome of a particular cross or breeding experiment, used to determine the probability of an offspring having a particular genotype?
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