HS Sample Set 3, Round 1 from NSB
Rough endoplasmic reticulum is named rough because it possesses what cellular structures?
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In humans, backflow of blood from ventricles into atria during contraction is prevented primarily by what structures?
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What are the names for positive and negative ions, respectively?
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Arrange the following 4 substances in order of increasing pH: orange juice; human gastric juice; blood; aqueous ammonia
Choices:
Correct Order:
What is the scientific term for a change in velocity per unit time?
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What is the most common term in physics for the product of mass times velocity?
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What is the 5th term in the geometric progression whose first three terms are: 64, 16, 4
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Giving your answer in centimeters to the first decimal place, if one leg of an isosceles right triangle is 100 centimeters long, how long is the hypotenuse?
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As a percentage by volume in Earth’s atmosphere, what are the two most abundant gases in Earth’s atmosphere?
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What type of glacier flows outward from a center as opposed to down a mountain valley?
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One kilogram is nearly equivalent to how many pounds: W) 454 X) 4.54 Y) 220 Z) 2.2
W: W) 454
X: X) 4.54
Y: Y) 220
Z: Z) 2.2
Answer: Z) Z) 2.2
Which of the following reagents would be labeled as highly flammable because of its low flash point: W) glycerol X) methanol Y) carbon tetrachloride Z) sulfuric acid
W: W) glycerol
X: X) methanol
Y: Y) carbon tetrachloride
Z: Z) sulfuric acid
Answer: X) X) methanol
What is the most common term for the celestial phenomenon that causes a comet’s tail in our solar system to point away from the Sun?
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Which of the following is the BEST description of our Sun: W) a cool large star similar to Proxima Centauri X) a small-sized star about 6 billion years old Y) a mid-sized yellow dwarf star Z) a large-sized red giant about 4.7 billion years old
W: W) a cool large star similar to Proxima Centauri
X: X) a small-sized star about 6 billion years old
Y: Y) a mid-sized yellow dwarf star
Z: Z) a large-sized red giant about 4.7 billion years old
Answer: Y) Y) a mid-sized yellow dwarf star
Which of the following occurs in meiosis but NOT in mitosis: W) spindle apparatus attaches to kinetochores X) nuclear membrane is not visible Y) crossing over Z) chromosomes line up at central area of cell
W: W) spindle apparatus attaches to kinetochores
X: X) nuclear membrane is not visible
Y: Y) crossing over
Z: Z) chromosomes line up at central area of cell
Answer: Y) Y) crossing over
What is the anatomical term for the specific section of the small intestine into which the pancreatic duct delivers its digestive enzymes?
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In the combustion of methane, if the supply of oxygen is somewhat insufficient, what colorless, odorless and poisonous gas is produced?
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Element number 19 has an isotope named potassium-40. How many neutrons does this isotope contain?
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The amplitude of a sound wave most closely relates to its: W) frequency X) wavelength Y) loudness Z) overtones
W: W) frequency
X: X) wavelength
Y: Y) loudness
Z: Z) overtones
Answer: Y) Y) loudness
What property of a sound wave most directly determines the pitch of a violin’s note?
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Solve the following equation for x: –3|x| = –15
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One-half of a number added to one third of the same number is 68 less than the number. What is the number?
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Giving your answer as north, south, east, or west, from what general direction does the jet stream flow?
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In which of the following locations would you typically expect the average salinity of surface sea water to be the HIGHEST: W) at the mouth of the Mississippi River X) in the waters above the Arctic Circle Y) in the Black Sea Z) in the Dead Sea
W: W) at the mouth of the Mississippi River
X: X) in the waters above the Arctic Circle
Y: Y) in the Black Sea
Z: Z) in the Dead Sea
Answer: Z) Z) in the Dead Sea
In the mks system, what are the 3 fundamental units?
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Giving your answer in scientific notation, convert 10 square meters into square millimeters:
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DO NOT ACCEPT:
Which of the following is NOT true: W) most of the meteorites that have been found have a high iron content X) a bolometer is used to measure the energy output of the Sun Y) the celestial coordinate analogous to latitude is called ascension Z) sunlight reflecting off the Earth is called Earthshine
W: W) most of the meteorites that have been found have a high iron content
X: X) a bolometer is used to measure the energy output of the Sun
Y: Y) the celestial coordinate analogous to latitude is called ascension
Z: Z) sunlight reflecting off the Earth is called Earthshine
Answer: Y) Y) the celestial coordinate analogous to latitude is called ascension
Which of the following BEST describes the zenith: W) the point in the sky that is at 180 degrees of inclination to the horizon X) 90 degrees opposite to the nadir Y) the opposite position on the ecliptic to an observer Z) the point on the celestial sphere directly overhead of an observer
W: W) the point in the sky that is at 180 degrees of inclination to the horizon
X: X) 90 degrees opposite to the nadir
Y: Y) the opposite position on the ecliptic to an observer
Z: Z) the point on the celestial sphere directly overhead of an observer
Answer: Z) Z) the point on the celestial sphere directly overhead of an observer
Which of the following MOST closely represents the location of the temporal bone in humans: W) above the eye X) cheek or lateral border of the eye Y) back of skull Z) top of skull
W: W) above the eye
X: X) cheek or lateral border of the eye
Y: Y) back of skull
Z: Z) top of skull
Answer: X) X) cheek or lateral border of the eye
What is the common name for the joint that is formed by the articulation of the tibia, the fibula, and the femur?
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How many unpaired electrons are in a neutral bromine atom?
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Which of the following is the term used to describe the resistance to flow of a liquid: W) viscosity X) surface tension Y) maleability Z) vapor pressure
W: W) viscosity
X: X) surface tension
Y: Y) maleability
Z: Z) vapor pressure
Answer: W) W) viscosity
Which of the following is the most common term for the general type of wave that results from the vibration of a physical medium: W) mechanical X) electromagnetic Y) perfect Z) pulsed
W: W) mechanical
X: X) electromagnetic
Y: Y) perfect
Z: Z) pulsed
Answer: W) W) mechanical
Which of the following is LEAST accurate: W) alpha particles are the same as helium nuclei X) polarization of light supports the particle behavior of light Y) a photon is a particle of light Z) light slows down when it moves from a vacuum into glass
W: W) alpha particles are the same as helium nuclei
X: X) polarization of light supports the particle behavior of light
Y: Y) a photon is a particle of light
Z: Z) light slows down when it moves from a vacuum into glass
Answer: X) X) polarization of light supports the particle behavior of light
Evaluate the expression, x(y + z)^2, when x = 2, y = –8, and z = 3:
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If Emily can paint a fence in 4 hours but Kathy takes 6 hours, how many hours will it take them to paint the fence if they work together?
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Which of the following is considered the principal volcanic gas: W) carbon dioxide X) water vapor Y) sulfur dioxide Z) methane
W: W) carbon dioxide
X: X) water vapor
Y: Y) sulfur dioxide
Z: Z) methane
Answer: X) X) water vapor
Calcite belongs to which of the following mineral groups: W) oxide X) sulfate Y) carbonate Z) calcium silicate
W: W) oxide
X: X) sulfate
Y: Y) carbonate
Z: Z) calcium silicate
Answer: Y) Y) carbonate
Which of the following is NOT a fermentation product of yogurt: W) acetaldehyde X) formaldehyde Y) acetic acid Z) lactic acid
W: W) acetaldehyde
X: X) formaldehyde
Y: Y) acetic acid
Z: Z) lactic acid
Answer: X) X) formaldehyde
Convert 1 cubic decimeter into cubic centimeters:
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What is the Latin-derived term for the relatively smooth lunar plains that are areas of the Moon that appear dark as viewed from Earth?
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What planet has the greatest variation in temperature over a single one of its planetary days?
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What is typically the largest organelle of a mature plant cell and can comprise up to 80% of the cell’s volume?
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What eukaryotic cell organelle primarily functions to modify, sort, and package products for exocytosis?
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What scientific principle BEST describes why fresh pickles soaked in brine shrivel up after a period of time?
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If two solutions that are separated by a semipermeable membrane have the same osmotic pressure, they are said to be: W) isotonic X) hypotonic Y) hypertonic Z) hyperosmotic
W: W) isotonic
X: X) hypotonic
Y: Y) hypertonic
Z: Z) hyperosmotic
Answer: W) W) isotonic
A circuit with 2 different resistors wired in series will have a total resistance that is: W) equal to the sum of the two resistances X) less than either resistance Y) equal to that of the greater resistance Z) equal to that of the lesser resistance
W: W) equal to the sum of the two resistances
X: X) less than either resistance
Y: Y) equal to that of the greater resistance
Z: Z) equal to that of the lesser resistance
Answer: W) W) equal to the sum of the two resistances
What is the most common isotope of carbon?
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How many walking legs are found in arachnids?
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What is the MOST common term for the general type of nourishment characteristic of mushrooms where the organism derives its nutrients by absorbing the biological products of another organism?
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