MS Sample Set 3, Round 14 from NSB
Three points on a graph are connected by lines to form a triangle. If the center of dilation is the origin and one of the points is (4, 6), what is the new point for a dilation factor of 2?
Acceptable Answers:
Giving your answer in terms of π, what is the length of a 36º arc in a circle that has a circumference of 50π?
Acceptable Answers:
Which of the following is NOT true of the Moon: W) the Moon rotates on its axis at the same rate that it takes to orbit the Earth X) over long periods of time, we can see more than 50% of the Moon’s surface from Earth Y) the Moon is gradually getting closer to the Earth by about 4 centimeters each year Z) the Moon’s orbit is elliptical
W: W) the Moon rotates on its axis at the same rate that it takes to orbit the Earth
X: X) over long periods of time, we can see more than 50% of the Moon’s surface from Earth
Y: Y) the Moon is gradually getting closer to the Earth by about 4 centimeters each year
Z: Z) the Moon’s orbit is elliptical
Answer: Y) Y) the Moon is gradually getting closer to the Earth by about 4 centimeters each year
Name all of the following 3 skin infections that are caused by mold-like fungi called dermatophytes: ringworm; jock itch; athletes foot
Choices:
Correct Answers:
Antibodies are composed of: W) lipids X) nucleic acids Y) glucose Z) amino acids
W: W) lipids
X: X) nucleic acids
Y: Y) glucose
Z: Z) amino acids
Answer: Z) Z) amino acids
Consider a cross of a pea plant having white flowers with a pea plant having red flowers. Of 50 seedlings from this cross, 25 produce white flowers and 25 produce red flowers. If white is dominant, which of the following is the BEST description for the genetic makeup of the white flowering parent plant: W) homozygous for white flowers X) heterozygous Y) homozygous for red flowers Z) co-dominant for white and red
W: W) homozygous for white flowers
X: X) heterozygous
Y: Y) homozygous for red flowers
Z: Z) co-dominant for white and red
Answer: X) X) heterozygous
Which of the following is NOT true: W) the temperature of a substance changes during a phase change X) a compound can be broken down by chemical means Y) some known elements are unstable and only last for fractions of seconds Z) the opposite of vaporization is condensation
W: W) the temperature of a substance changes during a phase change
X: X) a compound can be broken down by chemical means
Y: Y) some known elements are unstable and only last for fractions of seconds
Z: Z) the opposite of vaporization is condensation
Answer: W) W) the temperature of a substance changes during a phase change
Name all of the following 4 substances that are bases: MgCl; NaOH; HCl; H₂SO₄
Choices:
Correct Answers:
Except for birds, dinosaurs became extinct after which of the following periods: W) Jurassic X) Triassic Y) Cretaceous Z) Permian
W: W) Jurassic
X: X) Triassic
Y: Y) Cretaceous
Z: Z) Permian
Answer: Y) Y) Cretaceous
Which of the following dinosaurs is NOT correctly matched with its description: W) Hadrosaurus had a beak, web-feet, and a pelvis very similar to modern ducks X) Iguanodon was a mid-sized herbivore Y) Brachiosaurus had tail spikes and bony plates along the length of its back Z) Tyrannosaurus rex was a large carnivorous dinosaur
W: W) Hadrosaurus had a beak, web-feet, and a pelvis very similar to modern ducks
X: X) Iguanodon was a mid-sized herbivore
Y: Y) Brachiosaurus had tail spikes and bony plates along the length of its back
Z: Z) Tyrannosaurus rex was a large carnivorous dinosaur
Answer: Y) Y) Brachiosaurus had tail spikes and bony plates along the length of its back
Express the following radical in its simplest rationalized form: $$\frac{8}{\sqrt{3}}$$
Acceptable Answers:
Giving your answer in terms of π, what is the volume, in cubic meters, of a right circular cone that has a height of 10 meters and a radius of 3 meters?
Acceptable Answers:
Which of the following fabrics would most easily be colored by dyes that contain polar molecules or ions: W) wool X) nylon Y) polyester Z) rayon
W: W) wool
X: X) nylon
Y: Y) polyester
Z: Z) rayon
Answer: W) W) wool
There are about 24 essential elements needed to maintain a healthy human body. Which of the following is NOT one of these elements: W) iodine X) selenium Y) sodium Z) cesium
W: W) iodine
X: X) selenium
Y: Y) sodium
Z: Z) cesium
Answer: Z) Z) cesium
Which of the following is the BEST explanation for the function of nuclear pores: W) to prevent damaging hydrogen peroxide from entering the nucleus X) to prevent too much pressure from metabolism from building up in the nucleus Y) to allow the nucleus to sweat Z) to allow substances such as mRNA to leave the nucleus
W: W) to prevent damaging hydrogen peroxide from entering the nucleus
X: X) to prevent too much pressure from metabolism from building up in the nucleus
Y: Y) to allow the nucleus to sweat
Z: Z) to allow substances such as mRNA to leave the nucleus
Answer: Z) Z) to allow substances such as mRNA to leave the nucleus
What is the common name, not the letter abbreviation, of the nucleotide that is present in DNA but not RNA?
Acceptable Answers:
Which of the following metals is often used to transform a sheet of regular glass into a mirror: W) cobalt X) silver Y) zinc Z) iron
W: W) cobalt
X: X) silver
Y: Y) zinc
Z: Z) iron
Answer: X) X) silver
How many grams are in 2 moles of sodium chloride, knowing that sodium chloride has a molecular weight of 58?
Acceptable Answers:
A hurricane originating in the Eastern tropical Atlantic is driven: W) westward by the easterly trade winds X) westward by the prevailing westerlies Y) eastward by the easterly trade winds Z) eastward by the prevailing westerlies
W: W) westward by the easterly trade winds
X: X) westward by the prevailing westerlies
Y: Y) eastward by the easterly trade winds
Z: Z) eastward by the prevailing westerlies
Answer: W) W) westward by the easterly trade winds
An organism that inhabits a fluvial environment is one that inhabits: W) lakes and ponds X) rivers and streams Y) deserts Z) volcanoes
W: W) lakes and ponds
X: X) rivers and streams
Y: Y) deserts
Z: Z) volcanoes
Answer: X) X) rivers and streams
Remove all negative exponents and simplify the following expression: $$x^4 x^0 y^{-3} z^4$$
Acceptable Answers:
Expand the following expression, giving your answer in standard binomial form: $$(4x^4y^2 + 3)^2$$
Acceptable Answers:
Which of the following scientists would most likely use a coronagraph in their experiments: W) biologist X) astronomer Y) paleontologist Z) oceanographer
W: W) biologist
X: X) astronomer
Y: Y) paleontologist
Z: Z) oceanographer
Answer: X) X) astronomer
The coronagraph is used to study what celestial object?
Acceptable Answers:
Which of the following kinds of microscopes typically is used to view the surface of objects ranging in size from cells to small insects like fleas to reveal minute surface details: W) bright field microscopy X) interference microscopy Y) scanning electron microscopy Z) transmission electron microscopy
W: W) bright field microscopy
X: X) interference microscopy
Y: Y) scanning electron microscopy
Z: Z) transmission electron microscopy
Answer: Y) Y) scanning electron microscopy
A small human lymphocyte and a red blood cell are both about how many micrometers across: W) 1 X) 3 Y) 8 Z) 16
W: W) 1
X: X) 3
Y: Y) 8
Z: Z) 16
Answer: Y) Y) 8
Name all of the following 3 forms of energy transfer that move in the form of electromagnetic waves: conduction; convection; radiation
Choices:
Correct Answers:
Which of the following MUST be the case for a more massive object versus a less massive object if both are at the same temperature and pressure: W) the more massive object will have more thermal energy X) the more massive object will have a greater specific heat Y) the more massive object will lose heat faster than the smaller object Z) the more massive object will have less inertia
W: W) the more massive object will have more thermal energy
X: X) the more massive object will have a greater specific heat
Y: Y) the more massive object will lose heat faster than the smaller object
Z: Z) the more massive object will have less inertia
Answer: W) W) the more massive object will have more thermal energy
Which of the following is the BEST example of a littoral ocean current: W) rip current X) seismic sea wave Y) the Gulf Stream Z) equatorial tidal current
W: W) rip current
X: X) seismic sea wave
Y: Y) the Gulf Stream
Z: Z) equatorial tidal current
Answer: W) W) rip current
Order the following 4 layers of the Sun from the INNERMOST to the OUTERMOST: core; radiative zone; convective zone; corona
Choices:
Correct Order:
What is the volume, in cubic centimeters, of a rectangular prism that measures 8 centimeters long, 2 centimeters wide, and 3 centimeters high?
Acceptable Answers:
How many different 3-letter arrangements are there of the first 6 letters of the alphabet?
Acceptable Answers:
Which of the following BEST describes the property of light as a transverse wave whereby the plane of vibration of the light is restricted to certain planes: W) diffraction X) reflection Y) refraction Z) polarization
W: W) diffraction
X: X) reflection
Y: Y) refraction
Z: Z) polarization
Answer: Z) Z) polarization
Giving your answer in angstroms, add 2 nanometers to 10 angstroms:
Acceptable Answers:
In which of the following cell types of woody higher plants is lignin most prominent: W) phloem X) xylem Y) parenchyma Z) collenchyma
W: W) phloem
X: X) xylem
Y: Y) parenchyma
Z: Z) collenchyma
Answer: X) X) xylem
Which of the following is the LEAST likely method a maple tree uses to regulate water: W) storing water in vacuoles X) opening and closing stomata in stems and leaves Y) transporting water in their heartwood Z) absorbing water through root hairs
W: W) storing water in vacuoles
X: X) opening and closing stomata in stems and leaves
Y: Y) transporting water in their heartwood
Z: Z) absorbing water through root hairs
Answer: Y) Y) transporting water in their heartwood
Because they contain mercury, which of the following is the BEST classification of silver dental fillings: W) amalgam X) colloid Y) mixture Z) solution
W: W) amalgam
X: X) colloid
Y: Y) mixture
Z: Z) solution
Answer: W) W) amalgam
A chemistry experiment calls for 10.0 liters of a 0.8 molar solution of a chemical with a molecular weight of 100 grams per mole. How many grams of the chemical will you need to weigh out to make this solution?
Acceptable Answers:
Which of the following is NOT true about glaciations: W) about 12,000 years ago it was possible to walk from Alaska to Siberia through the Bering Strait X) throughout history, times of extensive glaciation coincided with low sea levels Y) the center of a glacier typically moves slower down a slope than do the edges Z) alpine glaciers exist on nearly every continent
W: W) about 12,000 years ago it was possible to walk from Alaska to Siberia through the Bering Strait
X: X) throughout history, times of extensive glaciation coincided with low sea levels
Y: Y) the center of a glacier typically moves slower down a slope than do the edges
Z: Z) alpine glaciers exist on nearly every continent
Answer: Y) Y) the center of a glacier typically moves slower down a slope than do the edges
If high tide occurs at noon, which of the following is the most likely time that the same beach will experience a low tide: W) 3 PM X) 4 PM Y) 5 PM Z) 6 PM
W: W) 3 PM
X: X) 4 PM
Y: Y) 5 PM
Z: Z) 6 PM
Answer: Z) Z) 6 PM
Order the following 4 radicals from the smallest to the largest: ∛2; √2; √3; 3√2
Choices:
Correct Order:
Multiply the following 2 radicals, giving your answer to the nearest whole number: $$(\sqrt[3]{4})(2\sqrt[3]{16})$$
Acceptable Answers:
When all other things are held constant and a star is 1/3 as far from an observer as it originally was, how many times as bright would it appear?
Acceptable Answers:
A forest fire in part of the New York Adirondack mountains wipes out all existing vegetation. Arrange the following 4 choices from the FIRST that is most likely to repopulate the land to the LAST to repopulate: pine trees; scrubs; oak trees; grasses
Choices:
Correct Order:
In the stem of a higher plant, what is the MOST common scientific term for the points where leaves are attached?
Acceptable Answers:
What is the scientific term for the stalk of a leaf that joins the leaf to the node of a plant stem?
Acceptable Answers:
Name all of the following 4 particles that cannot be deflected when passing through a magnetic field: photon; electron; neutron; proton
Choices:
Correct Answers:
What is the most common scientific term for the back and forth oscillating motion of a swinging pendulum?
Acceptable Answers:
Giving your answer as north, south, east, or west, plate tectonics show that the eastern side of the North American Plate is moving slowly in what general direction?
Acceptable Answers:
Order the following 3 seismic waves from the FIRST to be detected at a seismographic station to the LAST: S-wave; surface wave; P-wave
Choices:
Correct Order: