MS Sample Set 3, Round 16 from NSB
What is the name for the basic five carbon sugar that is present in slightly different forms in both DNA and RNA nucleotides: W) glucose X) fructose Y) ribose Z) maltose
W: W) glucose
X: X) fructose
Y: Y) ribose
Z: Z) maltose
Answer: Y) Y) ribose
Tommy has blue eyes and his wife Jean has brown eyes. Tommy’s father has brown eyes and Jean’s father has blue eyes. What percentage of Tommy and Jean’s children would be expected to have blue eyes, assuming blue eyes are recessive?
Acceptable Answers:
Which of the following has the greatest density at room temperature: W) 2 kilograms of uranium X) 3 kilograms of calcium Y) 4 kilogram of lithium Z) 5 kilograms of ice
W: W) 2 kilograms of uranium
X: X) 3 kilograms of calcium
Y: Y) 4 kilogram of lithium
Z: Z) 5 kilograms of ice
Answer: W) W) 2 kilograms of uranium
What color of light is produced when equal intensities of green and magenta light are combined?
Acceptable Answers:
Which of the following is the primary reason for the decline in fish populations in New England lakes, rivers and streams: W) destruction of native species by invasive species X) acid rain Y) fertilizer runoff Z) over fishing
W: W) destruction of native species by invasive species
X: X) acid rain
Y: Y) fertilizer runoff
Z: Z) over fishing
Answer: X) X) acid rain
When sulfur dioxide combines with atmospheric water, what acid is ultimately produced that has greatly contributed to the formation of acid rain?
Acceptable Answers:
Which of the following BEST describes the graph of the following equation, \((x – 1)^2 + (y + 2)^2 = 9\) W) straight line X) parabola Y) ellipse Z) circle
W: W) straight line
X: X) parabola
Y: Y) ellipse
Z: Z) circle
Answer: Z) Z) circle
Find the lateral surface area, in square meters, of a right circular cylinder with radius 4 meters and height 10 meters. Use π = 3.14 and give your answer rounded to the nearest whole number:
Acceptable Answers:
Which of the following is the MOST accurate description of a Newtonian reflector telescope: W) it has one flat primary mirror and two ocular lenses X) it has a concave parabolic main or primary mirror, a flat secondary mirror, and an eyepiece lens Y) it has a primary glass lens, a secondary flat mirror, and an ocular lens Z) it has 2 convex glass lenses and an ocular lens
W: W) it has one flat primary mirror and two ocular lenses
X: X) it has a concave parabolic main or primary mirror, a flat secondary mirror, and an eyepiece lens
Y: Y) it has a primary glass lens, a secondary flat mirror, and an ocular lens
Z: Z) it has 2 convex glass lenses and an ocular lens
Answer: X) X) it has a concave parabolic main or primary mirror, a flat secondary mirror, and an eyepiece lens
Which of the following is a MAIN advantage of a Newtonian reflector telescope over a Galilean refractor telescope: W) the Newtonian is much smaller and resistant to changes in temperature X) the Newtonian can be used in a wider variety of temperatures Y) the Newtonian focuses all colors of light at the same focal point Z) the Newtonian mirrors are usually made of metal so they cannot easily break
W: W) the Newtonian is much smaller and resistant to changes in temperature
X: X) the Newtonian can be used in a wider variety of temperatures
Y: Y) the Newtonian focuses all colors of light at the same focal point
Z: Z) the Newtonian mirrors are usually made of metal so they cannot easily break
Answer: Y) Y) the Newtonian focuses all colors of light at the same focal point
Which of the following types of microscopes passes negatively charged particles guided by magnetic lenses through a very thin specimen, all in a partial vacuum, to produce an image at high magnification: W) bright field microscopy X) scanning electron microscopy Y) dark field microscopy Z) transmission electron microscopy
W: W) bright field microscopy
X: X) scanning electron microscopy
Y: Y) dark field microscopy
Z: Z) transmission electron microscopy
Answer: Z) Z) transmission electron microscopy
What is the scientific name for the instrument used to separate substances of different densities in solution using a rotor to spin specimens at high RPM’s?
Acceptable Answers:
Which of the following functional groups replaces a hydrogen in an alcohol: W) hydroxyl X) carboxyl Y) ester Z) amide
W: W) hydroxyl
X: X) carboxyl
Y: Y) ester
Z: Z) amide
Answer: W) W) hydroxyl
Which one of the following 4 colors of light has the greatest angle of refraction in normal glass: orange; violet; red; yellow
Acceptable Answers:
Which of the following is the global wind system that most influences weather in Denver Colorado: W) tropical easterlies X) trade winds Y) prevailing westerlies Z) polar easterlies
W: W) tropical easterlies
X: X) trade winds
Y: Y) prevailing westerlies
Z: Z) polar easterlies
Answer: Y) Y) prevailing westerlies
Which of the following ocean waters typically has the LEAST pronounced thermocline layer: W) polar X) temperate Y) sub-tropical Z) tropical
W: W) polar
X: X) temperate
Y: Y) sub-tropical
Z: Z) tropical
Answer: W) W) polar
In how many ways can 5 different people be standing around a circular table?
Acceptable Answers:
Express the following in its simplest radical form: \((5 + 2\sqrt{2})(7 – 2\sqrt{2})\)
Acceptable Answers:
Which of the following is a group of organic compounds that is often added to foods to enhance flavors such as strawberry or banana and are also found in sweet-smelling flowers: W) amines X) esters Y) alcohols Z) halogenated hydrocarbons
W: W) amines
X: X) esters
Y: Y) alcohols
Z: Z) halogenated hydrocarbons
Answer: X) X) esters
Honey is considered hygroscopic because it: W) is very dense for a sugar X) loses water to its environment Y) attracts water from the air Z) expands rapidly on heating
W: W) is very dense for a sugar
X: X) loses water to its environment
Y: Y) attracts water from the air
Z: Z) expands rapidly on heating
Answer: Y) Y) attracts water from the air
As a tree ages, which of the following BEST describes what happens to the secondary phloem: W) it stops being produced X) it accumulates in large quantities into the xylem Y) it is crushed between each year’s xylem Z) it is lost as part of the bark and does not accumulate in great quantities
W: W) it stops being produced
X: X) it accumulates in large quantities into the xylem
Y: Y) it is crushed between each year’s xylem
Z: Z) it is lost as part of the bark and does not accumulate in great quantities
Answer: Z) Z) it is lost as part of the bark and does not accumulate in great quantities
If an order of plant has floral parts usually arranged in multiples of 4 or 5, it would most likely have: W) net venation and one cotyledon X) vascular bundles arranged in a ring and a taproot Y) diffuse or fibrous root system and 2 cotyledons Z) parallel venation and 2 cotyledons
W: W) net venation and one cotyledon
X: X) vascular bundles arranged in a ring and a taproot
Y: Y) diffuse or fibrous root system and 2 cotyledons
Z: Z) parallel venation and 2 cotyledons
Answer: X) X) vascular bundles arranged in a ring and a taproot
Which of the following can transfer heat through a vacuum: W) convection X) conduction Y) radiation Z) sublimation
W: W) convection
X: X) conduction
Y: Y) radiation
Z: Z) sublimation
Answer: Y) Y) radiation
Consider a 2.0 kilogram rock that falls vertically from a ledge and strikes the ground with a velocity of 50 meters per second. If friction is ignored, what was the gravitational potential energy, in joules, of the rock when it was on the ledge in relation to the place where it struck the ground?
Acceptable Answers:
Which of the following is when ocean tidal currents typically reach their maximum velocity: W) at high tide extremes X) at low tide extremes Y) midway between high and low tides Z) during flood tide
W: W) at high tide extremes
X: X) at low tide extremes
Y: Y) midway between high and low tides
Z: Z) during flood tide
Answer: Y) Y) midway between high and low tides
Which of the following is the name for the last of 4 glacial episodes recognized in North America: W) the Wisconsinan X) the Ordovician Y) the Alaskan Z) the Nebraskan
W: W) the Wisconsinan
X: X) the Ordovician
Y: Y) the Alaskan
Z: Z) the Nebraskan
Answer: W) W) the Wisconsinan
What is the degree of the following polynomial: \(7x^4y – 5x^3y^3 + 3xy^3 – 4\)
Acceptable Answers:
Giving your answer in terms of pi, what is the volume of a cone with a height of 8 meters and a base whose diameter is 6 meters?
Acceptable Answers:
What element is MOST commonly added to steel to make it stainless steel?
Acceptable Answers:
What metal is silvery-white when pure, is used as a catalyst in fuel cells and in antipollution devices in automobiles, does not oxidize in air at any temperature, and is used extensively in the making of jewelry and wires?
Acceptable Answers:
What type of virus has the Food and Drug Administration recently approved to be sprayed on certain foods as a preservative against bacterial contamination: W) bacteriophage X) H5N1 Y) Marburg Z) Ebola
W: W) bacteriophage
X: X) H5N1
Y: Y) Marburg
Z: Z) Ebola
Answer: W) W) bacteriophage
Which of the following is the BEST reason why high salt environments are difficult environments for organisms to survive in: W) salt is an ionic molecule and causes a charge differential X) salt causes an osmotic imbalance leading to excessive loss of water from cells Y) salt usually is contaminated with toxic heavy metals Z) salt causes heavy metal poisons to be readily absorbed through skin
W: W) salt is an ionic molecule and causes a charge differential
X: X) salt causes an osmotic imbalance leading to excessive loss of water from cells
Y: Y) salt usually is contaminated with toxic heavy metals
Z: Z) salt causes heavy metal poisons to be readily absorbed through skin
Answer: X) X) salt causes an osmotic imbalance leading to excessive loss of water from cells
Which of the following follows from the Doppler effect for a sound wave source where a loud motorcycle is moving towards you: W) the wavelength will shorten and frequency increases X) the wavelength will shorten and frequency decreases Y) the wavelength will increase and frequency increases Z) the wavelength will increase and frequency decreases
W: W) the wavelength will shorten and frequency increases
X: X) the wavelength will shorten and frequency decreases
Y: Y) the wavelength will increase and frequency increases
Z: Z) the wavelength will increase and frequency decreases
Answer: W) W) the wavelength will shorten and frequency increases
Name all of the following 3 forms of radioactive decay that change the atomic number of the decaying element: alpha decay; beta decay; gamma decay
Choices:
Correct Answers:
Eutrophic lakes are most commonly noted for which of the following sets of characteristics: W) high temperature differences from top to bottom and extremely deep X) unhealthy containing no living organisms and a very low pH Y) healthy with abundant life and neutral pH Z) shallow, warm, and containing abundant nutrients
W: W) high temperature differences from top to bottom and extremely deep
X: X) unhealthy containing no living organisms and a very low pH
Y: Y) healthy with abundant life and neutral pH
Z: Z) shallow, warm, and containing abundant nutrients
Answer: Z) Z) shallow, warm, and containing abundant nutrients
Choosing from dawn, noon, sunset, and midnight, when will the Moon rise and set, respectively, for a star gazer in mid-northern latitudes, if the Moon’s phase is a waxing crescent?
Acceptable Answers:
Order the following 4 polygons from the one with the FEWEST faces to the one with the MOST faces: dodecagon; hexadecagon; octagon; hexagon
Choices:
Correct Order:
Find the number of sides in a regular polygon if each interior angle measures 135 degrees:
Acceptable Answers:
Consider the following ecosystem and name the secondary consumer: A plant that derives energy from the Sun is eaten by a rabbit; the rabbit is eaten by a wolf; the scraps of rabbit are eaten by a hawk; and the remaining carcass is left to decompose
Acceptable Answers:
Which of the following BEST approximates the circumference of a U.S. nickel: W) 1.41 centimeters X) 3.14 centimeters Y) 6.28 centimeters Z) 9.42 centimeters
W: W) 1.41 centimeters
X: X) 3.14 centimeters
Y: Y) 6.28 centimeters
Z: Z) 9.42 centimeters
Answer: Y) Y) 6.28 centimeters
What symbiotic relationship is characterized by one organism benefiting while the other is being harmed?
Acceptable Answers:
Over-hunting of sea otters on the northwest coast led to an overabundance of sea urchins which in turn overgrazed on sea kelp almost wiping out the kelp forests. What is the scientific ecological term for what the sea otter is considered in this case as a central organism to this community?
Acceptable Answers:
What three elements are found in ethanoic acid?
Choices:
Correct Answers:
How many grams of potassium chloride, with a molecular weight of 104, must be dissolved in 250 milliliters of water to make a 20% potassium chloride solution?
Acceptable Answers:
What three gases make up over 99% of all dissolved gases in surface sea water?
Choices:
Correct Answers:
Order the following 4 elements from the MOST common in the universe to the LEAST common: carbon; helium; hydrogen; iron
Choices:
Correct Order:
If the fourth term in the binomial expansion of \((x + y)^7\) is \(35x^4y^3\), what is the fifth term?
Acceptable Answers:
In simplest terms, give the 6th term of the geometric sequence whose second term is –3 and whose third term is \(\tfrac{2}{3}\):
Acceptable Answers:
The lifetime of a star is mostly determined by what physical property?
Acceptable Answers:
Order the following 4 celestial objects from the LEAST massive to the MOST massive: neutron star; brown dwarf; the Sun; a galaxy
Choices:
Correct Order: