MS Sample Set 11, Round 4 from NSB
What is the name for the microscopic pores on the surface of leaves and stems in plants through which gas exchange occurs? W) Stele X) Phloem Y) Cambium Z) Stomata
W: W) Stele
X: X) Phloem
Y: Y) Cambium
Z: Z) Stomata
Answer: Z) Z) Stomata
Which of the following is NOT true of sister chromatids? W) They are connected by centromeres X) They are identical Y) They are diploid Z) They contain different alleles
W: W) They are connected by centromeres
X: X) They are identical
Y: Y) They are diploid
Z: Z) They contain different alleles
Answer: Z) Z) They contain different alleles
What is 83 − 19 + 17?
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A triangle has two exterior angles that have degree measures of 115 and 120, respectively. What is the degree measure of their common remote interior angle?
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The breakdown of molecules to obtain energy is which of the following? W) Catabolism X) Anabolism Y) Respiration Z) Transpiration
W: W) Catabolism
X: X) Anabolism
Y: Y) Respiration
Z: Z) Transpiration
Answer: W) W) Catabolism
Which of the following human diseases is dominant? W) Red-green color blindness X) Cystic fibrosis Y) Hemophilia Z) Huntington’s disease
W: W) Red-green color blindness
X: X) Cystic fibrosis
Y: Y) Hemophilia
Z: Z) Huntington’s disease
Answer: Z) Z) Huntington’s disease
Which of the following types of rocks typically exhibits stratification? W) Igneous X) Metamorphic Y) Sedimentary Z) Biological
W: W) Igneous
X: X) Metamorphic
Y: Y) Sedimentary
Z: Z) Biological
Answer: Y) Y) Sedimentary
What is the term for small distinctive groups of stars within constellations? W) Asterisms X) Clusters Y) Bands Z) Cliques
W: W) Asterisms
X: X) Clusters
Y: Y) Bands
Z: Z) Cliques
Answer: W) W) Asterisms
For which of the following molecules would elemental analysis give you the molecular formula? W) C₃H₆O₉ X) SiO₂ Y) C₆H₁₄ Z) H₈O₈
W: W) C₃H₆O₉
X: X) SiO₂
Y: Y) C₆H₁₄
Z: Z) H₈O₈
Answer: X) X) SiO₂
Rank the following three isotopes from least to greatest in terms of their numbers of neutrons:
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What role is fission-based nuclear power used for in the energy production and distribution grid? W) Baseload X) Peak Y) Arbitrage Z) Peak shaving
W: W) Baseload
X: X) Peak
Y: Y) Arbitrage
Z: Z) Peak shaving
Answer: W) W) Baseload
Increasing the amount of thermal energy contained in an object also increases what quantifiable property of the object?
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Simplify the following expression: $$a^7 \times a^5$$
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At the start of school, Jack scored 63 on his pre-test. At the end of the first week, he scored 68 on his post-test. Rounded to the nearest tenth of a percent, what is his percent increase?
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In which of the following states would you not expect to find a coal mine? W) Nevada X) Illinois Y) Louisiana Z) North Dakota
W: W) Nevada
X: X) Illinois
Y: Y) Louisiana
Z: Z) North Dakota
Answer: W) W) Nevada
Coal is primarily used to generate electricity. Which of the following is the second largest use of coal? W) Heating homes X) Running factories Y) Fueling trains Z) Smelting and steelmaking
W: W) Heating homes
X: X) Running factories
Y: Y) Fueling trains
Z: Z) Smelting and steelmaking
Answer: Z) Z) Smelting and steelmaking
If the temperature of a gaseous medium through which a sound wave passes is decreased, what will happen to the speed of the wave? W) It will increase X) It will decrease Y) It will remain the same Z) It will fluctuate
W: W) It will increase
X: X) It will decrease
Y: Y) It will remain the same
Z: Z) It will fluctuate
Answer: X) X) It will decrease
Identify all of the following three quantities that, when changed, would affect the period of a pendulum:
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What is the area of a right triangle with legs of length 4 and 7?
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A cell phone plan costs a fixed rate per month plus a charge per text message. One month, Sarah had 200 texts and her total bill was $34. The next month, she had 500 texts and her total bill was $52. In dollars, what is the fixed rate per month?
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Which of the following is a protein? W) Triglycerides X) Myoglobin Y) Uracil Z) Ribose
W: W) Triglycerides
X: X) Myoglobin
Y: Y) Uracil
Z: Z) Ribose
Answer: X) X) Myoglobin
Which of the following is not an ectotherm? W) Otter X) Gold fish Y) Turtle Z) Beetle
W: W) Otter
X: X) Gold fish
Y: Y) Turtle
Z: Z) Beetle
Answer: W) W) Otter
The temperature of a body of water influences which of the following? W) The temperature of the air above it X) The formation of deserts Y) Global climate change Z) Salt concentration
W: W) The temperature of the air above it
X: X) The formation of deserts
Y: Y) Global climate change
Z: Z) Salt concentration
Answer: W) W) The temperature of the air above it
ENSO is an acronym for an irregular periodical variation in sea surface temperatures and winds in the eastern tropical Pacific Ocean. What does ENSO stand for?
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An alpha particle is the nucleus of an atom of what element?
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What is the SI derived unit used to express power? W) Joule X) Erg Y) Watt Z) Newton
W: W) Joule
X: X) Erg
Y: Y) Watt
Z: Z) Newton
Answer: Y) Y) Watt
Which of the following cells can be described as totipotent? W) IPS cell X) Bone marrow cell Y) Fibroblast stem cell Z) Zygote
W: W) IPS cell
X: X) Bone marrow cell
Y: Y) Fibroblast stem cell
Z: Z) Zygote
Answer: Z) Z) Zygote
In which of the following classifications is a bacteriophage? W) Moneran X) Chordate Y) Virus Z) Protist
W: W) Moneran
X: X) Chordate
Y: Y) Virus
Z: Z) Protist
Answer: Y) Y) Virus
What is the term for glacier-cut inlets that are now filled with water?
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A comet’s gas tail points in which of the following directions? W) Trailing behind its orbit X) Leading ahead along its orbit Y) Directly towards the Sun Z) Directly away from the Sun
W: W) Trailing behind its orbit
X: X) Leading ahead along its orbit
Y: Y) Directly towards the Sun
Z: Z) Directly away from the Sun
Answer: Z) Z) Directly away from the Sun
Which of the following is not a form of energy? W) Petroleum X) Nuclear Y) Chemical Z) Thermal
W: W) Petroleum
X: X) Nuclear
Y: Y) Chemical
Z: Z) Thermal
Answer: W) W) Petroleum
Identify all of the following four products that can be produced from the processing and refinement of petroleum:
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Which of the following is NOT true about magnets? W) As two magnets move apart, the repelling force increases X) Opposite poles attract each other Y) If you break a magnet you have two new magnets Z) Compasses are affected by magnetic fields
W: W) As two magnets move apart, the repelling force increases
X: X) Opposite poles attract each other
Y: Y) If you break a magnet you have two new magnets
Z: Z) Compasses are affected by magnetic fields
Answer: W) W) As two magnets move apart, the repelling force increases
If the speed of an object is tripled, by what factor is the kinetic energy multiplied?
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Find the value of the following expression: $$\frac{492 + 49}{49}$$
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What is the slope of the line through \((-3, 3)\) and \((6, -4)\)?
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Over some period of time, a radioactive isotope decays until only 1/8 of the original element is present. How many half-lives passed during this time period?
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What physical quantity can be defined as the sum of all the possible microstates of a system? W) Free energy X) Enthalpy Y) Entropy Z) Heat
W: W) Free energy
X: X) Enthalpy
Y: Y) Entropy
Z: Z) Heat
Answer: Y) Y) Entropy
Which of the following types of stars has the weakest hydrogen Balmer lines? W) A X) F Y) G Z) B
W: W) A
X: X) F
Y: Y) G
Z: Z) B
Answer: Y) Y) G
Which of the following components of the interstellar medium is typically the least dense? W) HI clouds X) Molecular clouds Y) Coronal gas Z) Intercloud medium
W: W) HI clouds
X: X) Molecular clouds
Y: Y) Coronal gas
Z: Z) Intercloud medium
Answer: Y) Y) Coronal gas
Microtubules and microfilaments make up what cellular structure in eukaryotes?
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If 6 molecules of CO₂ and 6 molecules of H₂O combine to form one glucose molecule, how many molecules of O₂ are also produced?
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A triangle has two angles measuring 22° and 67°, respectively. What is the degree measure of the third angle?
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Two dice are rolled. What is the probability that the product of the two numbers rolled is prime?
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Disks of gas contract to form stars via what process?
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Identify all of the following three rocks that are likely generated by rapid cooling of lava:
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