MS Sample Set 6, Round 13 from NSB
Of the following, which is true of type I diabetes? W) It most often occurs later in life X) It is characterized by the inability of receptors to recognize insulin Y) It is characterized by the inability of the pancreas to produce insulin Z) It is most often due to unhealthy lifestyle choices
W: W) It most often occurs later in life
X: X) It is characterized by the inability of receptors to recognize insulin
Y: Y) It is characterized by the inability of the pancreas to produce insulin
Z: Z) It is most often due to unhealthy lifestyle choices
Answer: Y) Y) It is characterized by the inability of the pancreas to produce insulin
Which of the following structures in the chicken egg is analogous to the mammalian placenta? W) Chorion X) Amnion Y) Yolk sac Z) Allantois
W: W) Chorion
X: X) Amnion
Y: Y) Yolk sac
Z: Z) Allantois
Answer: Z) Z) Allantois
Who, from the Western history of science, first proposed the heliocentric model of the solar system? W) Galileo X) Kepler Y) Aristarchus Z) Hubble
W: W) Galileo
X: X) Kepler
Y: Y) Aristarchus
Z: Z) Hubble
Answer: Y) Y) Aristarchus
Which of the following rocks tends to break into parallel layers or sheets? W) Quartzite X) Granite Y) Schist Z) Marble
W: W) Quartzite
X: X) Granite
Y: Y) Schist
Z: Z) Marble
Answer: Y) Y) Schist
Which of the following can occur with light but NOT sound? W) Refraction X) Reflection Y) Resonance Z) Polarization
W: W) Refraction
X: X) Reflection
Y: Y) Resonance
Z: Z) Polarization
Answer: Z) Z) Polarization
Which of the following forces is felt by an electron with charge e between two parallel plates with area A, carrying a potential difference V, separated by a distance d? W) V/d X) eV/d Y) eVd Z) eVd/A
W: W) V/d
X: X) eV/d
Y: Y) eVd
Z: Z) eVd/A
Answer: X) X) eV/d
When a number is tripled, then tripled once more, the result equals 1. What was the original number?
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What is the fiftieth term in the arithmetic sequence with first term –23 and second term –18?
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Identify all of the following four processes that are endothermic reactions: 1) exploding dynamite; 2) burning wood; 3) baking bread; 4) melting ice cubes.
Choices:
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Which of the following coordinate cell division? W) Peroxisomes X) Microtubules Y) Centrioles Z) Lysosomes
W: W) Peroxisomes
X: X) Microtubules
Y: Y) Centrioles
Z: Z) Lysosomes
Answer: Y) Y) Centrioles
Which of the following is the approximate percentage of the United States’ total energy use supplied by oil, coal, and natural gas? W) 10% X) 25% Y) 55% Z) 85%
W: W) 10%
X: X) 25%
Y: Y) 55%
Z: Z) 85%
Answer: Z) Z) 85%
Smart meters, a new type of electrical energy meter developed by Center Point Energy, allow the user to do which of the following? W) Monitor rates of energy consumption, as well as instantaneous savings, when not using certain home appliances X) See the decrease of energy usage from fossil fuels when users inject energy from renewable sources Y) Find out which appliances are creating issues in power quality through the grid Z) Know the time it will take for electricity services to be re-established when a failure occurs
W: W) Monitor rates of energy consumption, as well as instantaneous savings, when not using certain home appliances
X: X) See the decrease of energy usage from fossil fuels when users inject energy from renewable sources
Y: Y) Find out which appliances are creating issues in power quality through the grid
Z: Z) Know the time it will take for electricity services to be re-established when a failure occurs
Answer: W) W) Monitor rates of energy consumption, as well as instantaneous savings, when not using certain home appliances
Which of the following phenomena does NOT contribute to water’s ability to move against gravity through a plant’s vascular system? W) Capillary action X) Transpiration pull Y) Phloem pressure Z) Osmotic pressure
W: W) Capillary action
X: X) Transpiration pull
Y: Y) Phloem pressure
Z: Z) Osmotic pressure
Answer: Y) Y) Phloem pressure
Which of the following is involved in a frameshift DNA mutation? W) Part of one chromosome breaking off and attaching to another chromosome X) A segment of a chromosome is repeated at least once Y) The insertion or deletion of a nucleotide in the coding sequence of a gene Z) Only a single point in the DNA sequence
W: W) Part of one chromosome breaking off and attaching to another chromosome
X: X) A segment of a chromosome is repeated at least once
Y: Y) The insertion or deletion of a nucleotide in the coding sequence of a gene
Z: Z) Only a single point in the DNA sequence
Answer: Y) Y) The insertion or deletion of a nucleotide in the coding sequence of a gene
Pluto and Charon are which of the following? W) Extremely different in mass X) Satellites of gas giant planets Y) In different equatorial planes Z) In synchronous rotation
W: W) Extremely different in mass
X: X) Satellites of gas giant planets
Y: Y) In different equatorial planes
Z: Z) In synchronous rotation
Answer: Z) Z) In synchronous rotation
NASA’s James Webb Space Telescope has telescope mirrors coated with a microscopically thin layer of what element, selected for its ability to effectively reflect infrared light from the mirrors into the observatory’s science instruments?
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Highly energetic objects, such as binary pulsars, can be best observed on Earth through measuring which of the following forms of electromagnetic radiation? W) X-rays X) Infrared light Y) Radio waves Z) Visible light
W: W) X-rays
X: X) Infrared light
Y: Y) Radio waves
Z: Z) Visible light
Answer: W) W) X-rays
A mass is held at 20 meters above the ground. Given that g is 10 meters per second squared, how fast in meters per second is it moving after it has been dropped and half of its potential energy has been converted into kinetic energy? W) 50 X) 40 Y) 20 Z) 10√2
W: W) 50
X: X) 40
Y: Y) 20
Z: Z) 10√2
Answer: Z) Z) 10√2
What is the domain of the relation consisting of the four ordered pairs (3, –1), (4, 2), (–2, 5), (1, 0)?
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Which of the following sets of numbers can be the side lengths of an acute triangle? W) 9, 12, 17 X) 10, 18, 20 Y) 5, 18, 19 Z) 8, 15, 17
W: W) 9, 12, 17
X: X) 10, 18, 20
Y: Y) 5, 18, 19
Z: Z) 8, 15, 17
Answer: X) X) 10, 18, 20
Which of the following frequently and most likely exhibits incomplete dominance? W) Flowers X) Blood type Y) Tongue rolling Z) Hair color
W: W) Flowers
X: X) Blood type
Y: Y) Tongue rolling
Z: Z) Hair color
Answer: W) W) Flowers
Which of the following structures is NOT part of the human eye? W) Hyoid X) Fovea Y) Retina Z) Cornea
W: W) Hyoid
X: X) Fovea
Y: Y) Retina
Z: Z) Cornea
Answer: W) W) Hyoid
What is the term for a usually short-term state of decreased physiological activity in an animal, usually characterized by a reduced body temperature?
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Which of the following statements is NOT true about hummingbirds? W) They have the highest metabolic rates of any animals X) They may become torpid at night Y) At their active metabolic rate, they can survive without food for about three days Z) They have to consume about their body weight in nectar daily
W: W) They have the highest metabolic rates of any animals
X: X) They may become torpid at night
Y: Y) At their active metabolic rate, they can survive without food for about three days
Z: Z) They have to consume about their body weight in nectar daily
Answer: Y) Y) At their active metabolic rate, they can survive without food for about three days
A plant produces flagellated sperm and the dominant stage in its life cycle is haploid. Which of the following plants best fits this description? W) Fern X) Moss Y) Cycad Z) Ginkgo
W: W) Fern
X: X) Moss
Y: Y) Cycad
Z: Z) Ginkgo
Answer: X) X) Moss
Which of the following portions of the small intestine receives food directly from the stomach? W) Jejunum X) Duodenum Y) Ileum Z) Plenum
W: W) Jejunum
X: X) Duodenum
Y: Y) Ileum
Z: Z) Plenum
Answer: X) X) Duodenum
Which of the following is most closely associated with a cold front? W) Short, intense downpours X) Drizzle or steady rain Y) Rise in temperature Z) Cirrus clouds
W: W) Short, intense downpours
X: X) Drizzle or steady rain
Y: Y) Rise in temperature
Z: Z) Cirrus clouds
Answer: W) W) Short, intense downpours
Which of the following statements best explains why it can become very hot in the deep shaft of a mine? W) There is little air circulation X) There is a lot of magma near mines Y) There is a natural geothermal gradient within Earth’s crust Z) Mines extend deep into Earth’s mantle
W: W) There is little air circulation
X: X) There is a lot of magma near mines
Y: Y) There is a natural geothermal gradient within Earth’s crust
Z: Z) Mines extend deep into Earth’s mantle
Answer: Y) Y) There is a natural geothermal gradient within Earth’s crust
A wave travels through air and hits the surface of water at an angle of 90°. Which of the following will be true about the wave? W) Its angle of incidence will increase X) Its angle of incidence will decrease Y) Its angle of incidence will not change, and its speed will not change Z) Its angle of incidence will not change, and its speed may increase or decrease
W: W) Its angle of incidence will increase
X: X) Its angle of incidence will decrease
Y: Y) Its angle of incidence will not change, and its speed will not change
Z: Z) Its angle of incidence will not change, and its speed may increase or decrease
Answer: Z) Z) Its angle of incidence will not change, and its speed may increase or decrease
Which of the following statements about a wave is incorrect regarding refraction? W) Its wavelength may increase or decrease X) Its direction may change Y) Its frequency may increase or decrease Z) Its speed may increase or decrease
W: W) Its wavelength may increase or decrease
X: X) Its direction may change
Y: Y) Its frequency may increase or decrease
Z: Z) Its speed may increase or decrease
Answer: Y) Y) Its frequency may increase or decrease
To which real number is $i^8$ equivalent?
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John sails his 10 meter sailboat due west for 10 kilometers, then due north for 7 kilometers, then another 14 kilometers due west. How far in kilometers is John from his original position?
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Which of the following is NOT a base found in DNA? W) Adenine X) Guanine Y) Uracil Z) Thymine
W: W) Adenine
X: X) Guanine
Y: Y) Uracil
Z: Z) Thymine
Answer: Y) Y) Uracil
Which of the following compounds would NOT hydrogen bond with itself? W) Water X) Methane Y) Hydrofluoric acid Z) Ammonia
W: W) Water
X: X) Methane
Y: Y) Hydrofluoric acid
Z: Z) Ammonia
Answer: X) X) Methane
Charcoal created by pyrolysis of biomass is referred to as which of the following? W) Carbonyl X) Biochar Y) Biofuel Z) Potash
W: W) Carbonyl
X: X) Biochar
Y: Y) Biofuel
Z: Z) Potash
Answer: X) X) Biochar
When carbon in soils is buried due to accumulation of overlying soil, that carbon is unavailable for which of the following chemical reaction mechanisms that forms carbon dioxide? W) Oxidation-reduction X) Acid-base Y) Single replacement Z) Double replacement
W: W) Oxidation-reduction
X: X) Acid-base
Y: Y) Single replacement
Z: Z) Double replacement
Answer: W) W) Oxidation-reduction
Identify the polar and non-polar components in a phospholipid.
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Which of the following enzymes assists in digestion of starches and complex sugars? W) Endopeptidase X) Amylase Y) Lipase Z) Saccharidase
W: W) Endopeptidase
X: X) Amylase
Y: Y) Lipase
Z: Z) Saccharidase
Answer: X) X) Amylase
Which of the following is a characteristic of an area with Karst topography? W) Sinkholes X) Mountains Y) Eskers Z) Canyons
W: W) Sinkholes
X: X) Mountains
Y: Y) Eskers
Z: Z) Canyons
Answer: W) W) Sinkholes
Which of the following is NOT a compositional classification of a magma? W) Phaneritic X) Rhyolitic Y) Andesitic Z) Basaltic
W: W) Phaneritic
X: X) Rhyolitic
Y: Y) Andesitic
Z: Z) Basaltic
Answer: W) W) Phaneritic
For an object placed in front of a lens with a negative focal length, which of the following could be true? W) The image is virtual and the lens is plano-concave X) The image is virtual and the lens is plano-convex Y) The image is real and the lens is plano-convex Z) The image is real and the lens is plano-concave
W: W) The image is virtual and the lens is plano-concave
X: X) The image is virtual and the lens is plano-convex
Y: Y) The image is real and the lens is plano-convex
Z: Z) The image is real and the lens is plano-concave
Answer: W) W) The image is virtual and the lens is plano-concave
A beam of light passes through material A (n=1.5) into material B (n=1). What is the critical angle of the light? W) sin⁻¹(2/3) X) cos⁻¹(2/3) Y) cos⁻¹(3/2) Z) sin⁻¹(3/2)
W: W) sin⁻¹(2/3)
X: X) cos⁻¹(2/3)
Y: Y) cos⁻¹(3/2)
Z: Z) sin⁻¹(3/2)
Answer: W) W) sin⁻¹(2/3)
A circle of radius $r$ is inscribed in a square. What is the area of the square in terms of $r$?
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What are the coordinates of the image of the point (2, –4) after a 90° rotation clockwise around the origin?
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What is the name of the process that threatened the survival of osprey because of tissue DDT accumulation from pesticide ingestion in their food source?
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Assume that the Sun in its current state and in its future state as a white dwarf will have exactly the same mass. How will surface gravity compare? W) Greater now X) Greater as a white dwarf Y) Equal Z) Cannot compare without density
W: W) Greater now
X: X) Greater as a white dwarf
Y: Y) Equal
Z: Z) Cannot compare without density
Answer: X) X) Greater as a white dwarf
There are many beautiful colors in an aurora. Which of the following primarily determines the colors you see? W) Whether borealis or australis X) What atoms or molecules the solar wind ions collide with Y) What time of night it is Z) How close you are to city light
W: W) Whether borealis or australis
X: X) What atoms or molecules the solar wind ions collide with
Y: Y) What time of night it is
Z: Z) How close you are to city light
Answer: X) X) What atoms or molecules the solar wind ions collide with
Which greenhouse gas is most abundant, yet is not significantly increasing due to human activity?
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What hormone can be injected in emergencies to treat the life-threatening allergic response known as anaphylaxis?
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By number, identify all of the following four effects that epinephrine has on the human body: 1) stimulates the heart; 2) reduces swelling; 3) dilates blood vessels; 4) relaxes airway muscles.
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