MS Sample Set 6, Round 11 from NSB
Chromosomal polyploidy results in which of the following phenotypic differences in fruits and vegetables? W) Shape X) Weight Y) Taste Z) Flavor
W: W) Shape
X: X) Weight
Y: Y) Taste
Z: Z) Flavor
Answer: X) X) Weight
Which of the following animals completes a round-trip migration over several generations? W) Leatherback turtle X) Caribou Y) Globe skimmer dragonfly Z) Humpback whale
W: W) Leatherback turtle
X: X) Caribou
Y: Y) Globe skimmer dragonfly
Z: Z) Humpback whale
Answer: Y) Y) Globe skimmer dragonfly
Which of the following molecular geometries contains the smallest bond angle? W) Octahedral X) Trigonal planar Y) Tetrahedral Z) Linear
W: W) Octahedral
X: X) Trigonal planar
Y: Y) Tetrahedral
Z: Z) Linear
Answer: W) W) Octahedral
Name all of the following five items that are both magnetic and conductive: 1) iron nail; 2) wooden block; 3) aluminum can; 4) steel can; 5) copper penny.
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Which of the following is NOT a recessive trait? W) Cystic fibrosis X) Colorblindness Y) Huntington’s disease Z) Hemophilia
W: W) Cystic fibrosis
X: X) Colorblindness
Y: Y) Huntington’s disease
Z: Z) Hemophilia
Answer: Y) Y) Huntington’s disease
Colorblindness is considered a sex-linked inheritance. If the father is not color-blind but the mother is a carrier of the trait, which of the following is true regarding their genetic risk? W) 50% of their daughters will be carriers of the colorblindness trait X) All of their children will be carriers for the colorblindness trait Y) All of their sons will be colorblind Z) None of their children will be colorblind
W: W) 50% of their daughters will be carriers of the colorblindness trait
X: X) All of their children will be carriers for the colorblindness trait
Y: Y) All of their sons will be colorblind
Z: Z) None of their children will be colorblind
Answer: W) W) 50% of their daughters will be carriers of the colorblindness trait
Given the hypotenuse of an isosceles right triangle has a length of 7√2, what are the lengths of the two legs?
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Given a figure and its image under a line reflection, the line of reflection can be located using which of the following? W) One perpendicular bisector X) Two perpendicular bisectors Y) Two parallel lines Z) Two circles
W: W) One perpendicular bisector
X: X) Two perpendicular bisectors
Y: Y) Two parallel lines
Z: Z) Two circles
Answer: W) W) One perpendicular bisector
Much attention is being given to solid-state lighting because it can do which of the following? W) Improve the power factor of power lines X) Reduce lighting power consumption by one fourth Y) Improve immunity to noise Z) Compete, in terms of efficacy, with current lighting technology
W: W) Improve the power factor of power lines
X: X) Reduce lighting power consumption by one fourth
Y: Y) Improve immunity to noise
Z: Z) Compete, in terms of efficacy, with current lighting technology
Answer: X) X) Reduce lighting power consumption by one fourth
A dry steam geothermal power plant produces electricity in which of the following ways? W) Heating and condensing a working fluid X) Using heat to boil a working fluid that is vaporized through a heat exchanger and drives a generator Y) Using water at high temperatures to convert ground water into steam Z) Using steam from underground wells to rotate a turbine, activating an electricity generator
W: W) Heating and condensing a working fluid
X: X) Using heat to boil a working fluid that is vaporized through a heat exchanger and drives a generator
Y: Y) Using water at high temperatures to convert ground water into steam
Z: Z) Using steam from underground wells to rotate a turbine, activating an electricity generator
Answer: Z) Z) Using steam from underground wells to rotate a turbine, activating an electricity generator
In simplest form, what is the fifth number in the following geometric sequence: 1, –2/3, 4/9, –8/27?
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If \(y = 5x – 12\), find the inverse of this function.
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Which of the following is NOT a mollusk? W) Monopod X) Gastropod Y) Cephalopod Z) Scaphopod
W: W) Monopod
X: X) Gastropod
Y: Y) Cephalopod
Z: Z) Scaphopod
Answer: W) W) Monopod
Which of the following can prevent cell desiccation due to osmotic pressure? W) An extra cellular membrane X) Carrier protein Y) Sodium channel Z) Hydrogen diffusion pump
W: W) An extra cellular membrane
X: X) Carrier protein
Y: Y) Sodium channel
Z: Z) Hydrogen diffusion pump
Answer: Y) Y) Sodium channel
Hydrocarbons that contain at least one double bond between carbon atoms are classified as which of the following? W) Single X) Aromatic Y) Unsaturated Z) Saturated
W: W) Single
X: X) Aromatic
Y: Y) Unsaturated
Z: Z) Saturated
Answer: Y) Y) Unsaturated
Calculate the force in newtons required to compress a spring with a stiffness of 2 N/m by 3.5 cm from equilibrium.
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In which chamber of the human heart is the sinoatrial node, which is responsible for initiating the action potential for heart contraction, located?
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Which of the following statements is true of microbial biofilms? W) Cells within the biofilm are encased within a layer of polysaccharide X) Biofilms almost always consist of only a single bacterial species Y) Biofilms are restricted to freshwater environments Z) Biofilms typically are small because resources are unable to circulate through them
W: W) Cells within the biofilm are encased within a layer of polysaccharide
X: X) Biofilms almost always consist of only a single bacterial species
Y: Y) Biofilms are restricted to freshwater environments
Z: Z) Biofilms typically are small because resources are unable to circulate through them
Answer: W) W) Cells within the biofilm are encased within a layer of polysaccharide
Ice forming over a dark ocean induces further cooling by changing what reflective property of the surface?
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Which of the following numbers represents apatite on Moh’s scale of hardness? W) 2 X) 3 Y) 4 Z) 5
W: W) 2
X: X) 3
Y: Y) 4
Z: Z) 5
Answer: Z) Z) 5
Which of the following values of \(x\) makes the following equation true: \(2^x = \tfrac{1}{8}\)? W) –4 X) –3 Y) 1/3 Z) 4
W: W) –4
X: X) –3
Y: Y) 1/3
Z: Z) 4
Answer: X) X) –3
If 6 painters can paint 48 doors in 2 hours, then, in minutes, how long would it take a painter to paint 3 doors?
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When a sound wave moves from left to right, air particles collide with nearby particles forming compression. Then those particles move to create an area with fewer particles. What is this called?
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A 16.8 kg boy is riding in a 4.5 kg wagon. A 12 kg girl pushes the wagon and exerts a constant force of 2.6 N over 3.5 m. How much work in joules is done by the girl? W) 0.26 X) 9.1 Y) 66.4 Z) 127
W: W) 0.26
X: X) 9.1
Y: Y) 66.4
Z: Z) 127
Answer: X) X) 9.1
In which of the following environments are extremophiles most likely to be found? W) Pond X) Hydrothermal vent Y) Intestine Z) Human skin
W: W) Pond
X: X) Hydrothermal vent
Y: Y) Intestine
Z: Z) Human skin
Answer: X) X) Hydrothermal vent
When immersed in a hypertonic solution, a plant cell membrane will pull away from the cell wall. What is the name of this phenomenon?
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What shape best describes Earth’s current orbit around the Sun?
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Methane in the atmosphere will react with sunlight and oxygen to form what gas?
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How many different amino acids are used to synthesize proteins?
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Arginine is a positively charged amino acid in water. This amino acid is considered which of the following? W) Acidic X) Basic Y) Neutral Z) Amphoteric
W: W) Acidic
X: X) Basic
Y: Y) Neutral
Z: Z) Amphoteric
Answer: X) X) Basic
A student has a mass of 60 kg when standing on the ground. He jumps into the air with an initial velocity of 1 m/s. What is his mass, in kilograms, while in the air?
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What is the name of a device that measures electrical potential difference?
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The bark on a woody stem is made up of which of the following? W) Xylem and phloem X) Sapwood Y) Phloem and cork Z) Mesophyll
W: W) Xylem and phloem
X: X) Sapwood
Y: Y) Phloem and cork
Z: Z) Mesophyll
Answer: Y) Y) Phloem and cork
A Venus flytrap’s response to an insect is an example of what kind of movement?
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Cows and termites digest cellulose with the help of microorganisms that produce large quantities of which greenhouse gas?
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Hydraulic fracturing is a natural gas mining technique that targets what kind of sedimentary rock?
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If a plane intersects a right circular cone parallel to its base, what are the names of all the types of geometric figures that can be formed?
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Sue went shopping in two stores with her birthday gift money. In the first store, she spent two-thirds of what she had plus \$4. In the second store, she spent half of what was left plus \$3. She had \$4 left. How many dollars did she begin with?
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A flywheel battery consists of which of the following? W) A voltage source providing power to a spinning disk X) A voltage applied to a motor to make a flywheel rotate, storing energy as the motion of a spinning wheel Y) Energy converted when a disk is rotated backwards Z) Potential energy converted into magnetic energy
W: W) A voltage source providing power to a spinning disk
X: X) A voltage applied to a motor to make a flywheel rotate, storing energy as the motion of a spinning wheel
Y: Y) Energy converted when a disk is rotated backwards
Z: Z) Potential energy converted into magnetic energy
Answer: X) X) A voltage applied to a motor to make a flywheel rotate, storing energy as the motion of a spinning wheel
Order the following four electromagnetic waves from least to greatest in terms of the energy of their photons: 1) microwave; 2) infrared; 3) x-ray; 4) ultraviolet.
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Which of the following is the term for a plant that can be found living on top of another plant but which obtains its nutrients and water independently? W) Parasite X) Epiphyte Y) Lycophyte Z) Saprophyte
W: W) Parasite
X: X) Epiphyte
Y: Y) Lycophyte
Z: Z) Saprophyte
Answer: X) X) Epiphyte
A mutant fly is observed with an antenna growing out of the abdomen, rather than the head. Which of the following gene types is most likely involved in this kind of mutation? W) Immunoglobin X) Sensory Y) Homeotic Z) Receptor
W: W) Immunoglobin
X: X) Sensory
Y: Y) Homeotic
Z: Z) Receptor
Answer: Y) Y) Homeotic
How many electrons does a neutral atom of oxygen have?
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Car A has a mass of 1000 kg and is traveling at 30 m/s. Car B has a mass of 1200 kg and is traveling at 20 m/s in the opposite direction. They collide and stick together. How fast do they travel immediately after the crash? (to the nearest tenth)
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As people age, their eyes exhibit increasing difficulties in focusing on objects (presbyopia). This condition likely results from the loss of elasticity in which part of the eye? W) Lens X) Cornea Y) Iris Z) Retina
W: W) Lens
X: X) Cornea
Y: Y) Iris
Z: Z) Retina
Answer: W) W) Lens
Which of the following substances will NOT conduct electricity well when in liquid form? W) Aluminum chloride X) Titanium tetrachloride Y) Carbon tetrachloride Z) Sodium chloride
W: W) Aluminum chloride
X: X) Titanium tetrachloride
Y: Y) Carbon tetrachloride
Z: Z) Sodium chloride
Answer: Y) Y) Carbon tetrachloride
Which of the following types of proxy evidence used in studying climate change chronicles the longest climate record? W) Ocean sediment cores X) Lake sediment cores Y) Tree rings Z) Ice sheet cores
W: W) Ocean sediment cores
X: X) Lake sediment cores
Y: Y) Tree rings
Z: Z) Ice sheet cores
Answer: W) W) Ocean sediment cores
What is the name of the mineral that makes up both rubies and sapphires?
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What is the solution set of \(6 + |x| = 9\)?
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Interest accrues on a loan at a constant rate. If the loan is \$2000 initially and \$2120 after one year, what is the yearly interest rate?
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