MS Sample Set 6, Round 5 from NSB
The suffix, “wort,” is commonly found in the names of which of the following? W) Leaf X) Seed Y) Herb Z) Root
W: W) Leaf
X: X) Seed
Y: Y) Herb
Z: Z) Root
Answer: Y) Y) Herb
To which of the following virus classes does HIV belong? W) Adenovirus X) Retrovirus Y) Rhabdovirus Z) Papovavirus
W: W) Adenovirus
X: X) Retrovirus
Y: Y) Rhabdovirus
Z: Z) Papovavirus
Answer: X) X) Retrovirus
What type of tectonic plate environment is found off the coast of the Pacific Northwest and creates the Cascade Mountain chain?
Acceptable Answers:
Which of the following does NOT typically happen when a moist prevailing wind hits a mountain range? W) A rain shadow occurs on the leeward side of the mountain X) Leeward airmass subsidence and warming results Y) As air moves up the windward side of the mountain, it expands and warms Z) The windward side of a mountain receives a lot of rain
W: W) A rain shadow occurs on the leeward side of the mountain
X: X) Leeward airmass subsidence and warming results
Y: Y) As air moves up the windward side of the mountain, it expands and warms
Z: Z) The windward side of a mountain receives a lot of rain
Answer: Y) Y) As air moves up the windward side of the mountain, it expands and warms
On the periodic table, what is the name of the group of elements that includes lithium, potassium, cesium, and francium?
Acceptable Answers:
When light from a light bulb passes through two polarizers whose axes are oriented 45 degrees apart, what percentage of the original light passes through both polarizers?
Acceptable Answers:
What is the slope of the line through the points (17, –13) and (17, 8)?
Acceptable Answers:
Consider the following equation: y = (24x – 36)/x². When y = 3, what are the possible values for x?
Acceptable Answers:
Which of the following is responsible for generating Earth’s magnetic field? W) Movement of iron in Earth’s core X) The Moon’s strong gravitational pull on Earth Y) Solar wind streaming toward Earth Z) Earth’s revolution
W: W) Movement of iron in Earth’s core
X: X) The Moon’s strong gravitational pull on Earth
Y: Y) Solar wind streaming toward Earth
Z: Z) Earth’s revolution
Answer: W) W) Movement of iron in Earth’s core
Which of the following provides the best evidence to support the idea that two different species might have a common ancestor? W) They share similar morphological features X) They have similar appendages for movement Y) Their fossils were discovered in the same location Z) Many of their genes are the same
W: W) They share similar morphological features
X: X) They have similar appendages for movement
Y: Y) Their fossils were discovered in the same location
Z: Z) Many of their genes are the same
Answer: Z) Z) Many of their genes are the same
Which of the following statements best describes the importance of composting? W) It is necessary for the growth of fruits and vegetables X) It helps to prevent air pollution Y) It puts organic material back in the ground Z) It prevents the decomposition of organic material
W: W) It is necessary for the growth of fruits and vegetables
X: X) It helps to prevent air pollution
Y: Y) It puts organic material back in the ground
Z: Z) It prevents the decomposition of organic material
Answer: Y) Y) It puts organic material back in the ground
Of the following, which should NOT go into a compost pile? W) Leaves X) Grass Y) Dairy products Z) Coffee grains
W: W) Leaves
X: X) Grass
Y: Y) Dairy products
Z: Z) Coffee grains
Answer: Y) Y) Dairy products
Which of the following is a club fungus? W) Toadstools X) Hepatics Y) Glass sponges Z) Basidia
W: W) Toadstools
X: X) Hepatics
Y: Y) Glass sponges
Z: Z) Basidia
Answer: W) W) Toadstools
“Adam’s apple” is a common nickname for what anatomical structure?
Acceptable Answers:
Index fossils are most useful for which of the following reasons? W) They lived during only one short period of time X) They are not geographically widespread Y) They provide high resolution carbon isotope-based date ranges Z) They are not prone to weathering
W: W) They lived during only one short period of time
X: X) They are not geographically widespread
Y: Y) They provide high resolution carbon isotope-based date ranges
Z: Z) They are not prone to weathering
Answer: W) W) They lived during only one short period of time
What happens to rain water when sulfur and nitrogen oxides released by burning fossil fuels combine with water vapor in the air? W) It becomes acidic X) It becomes warmer than normal Y) It becomes more regionally concentrated Z) It becomes a buffering agent
W: W) It becomes acidic
X: X) It becomes warmer than normal
Y: Y) It becomes more regionally concentrated
Z: Z) It becomes a buffering agent
Answer: W) W) It becomes acidic
In an electrochemical cell, at which electrode does oxidation occur?
Acceptable Answers:
A saturated aqueous solution of potassium chloride contains 34 grams of solute. Which of the following terms best describes an aqueous solution containing 30 grams of potassium chloride? W) Nonpolar X) Nonelectrolyte Y) Supersaturated Z) Unsaturated
W: W) Nonpolar
X: X) Nonelectrolyte
Y: Y) Supersaturated
Z: Z) Unsaturated
Answer: Z) Z) Unsaturated
When sketching the line y = 10x – 10, the line will go through which quadrants?
Acceptable Answers:
What is the slope-intercept form of the equation for the line that is perpendicular to y = 5(x + 66) and has a y-intercept of 0.7?
Acceptable Answers:
What kind of circuit consists of multiple different components, but has only one path for the current to follow?
Acceptable Answers:
Given the balanced chemical equation 4P + 5O₂ → 2P₂Oₓ, what should x equal?
Acceptable Answers:
Which of the following best describes an advantage of using an incinerator for solid waste? W) It helps to reduce air pollution X) It reduces the volume of materials that go to landfills Y) It allows waste products to be recycled Z) If operated as permitted, it is not at all hazardous to plants, animals, and people
W: W) It helps to reduce air pollution
X: X) It reduces the volume of materials that go to landfills
Y: Y) It allows waste products to be recycled
Z: Z) If operated as permitted, it is not at all hazardous to plants, animals, and people
Answer: X) X) It reduces the volume of materials that go to landfills
What term describes the process of changing the design, manufacture, or use of materials to reduce their quantity or toxicity before they become municipal solid waste?
Acceptable Answers:
When present in large numbers, which of the following can cause red tides? W) Ulva X) Euglena Y) Diatoms Z) Dinoflagellates
W: W) Ulva
X: X) Euglena
Y: Y) Diatoms
Z: Z) Dinoflagellates
Answer: Z) Z) Dinoflagellates
Which of the following chemical bonds is most important in DNA secondary structure? W) Covalent X) Hydrogen Y) Peptide Z) Ionic
W: W) Covalent
X: X) Hydrogen
Y: Y) Peptide
Z: Z) Ionic
Answer: X) X) Hydrogen
Which of the following statements is NOT true about Antarctica? W) It has long periods of constant darkness X) Much of the sunlight it receives is reflected back to space Y) Cold air masses are continuously flowing off of the Antarctic ice cap Z) A great amount of snow falls in Antarctica
W: W) It has long periods of constant darkness
X: X) Much of the sunlight it receives is reflected back to space
Y: Y) Cold air masses are continuously flowing off of the Antarctic ice cap
Z: Z) A great amount of snow falls in Antarctica
Answer: Z) Z) A great amount of snow falls in Antarctica
The geysers and hot springs found in Yellowstone Park are likely heated by which of the following? W) The mantle X) Local magma chambers Y) Crustal fault friction Z) Crustal radiation
W: W) The mantle
X: X) Local magma chambers
Y: Y) Crustal fault friction
Z: Z) Crustal radiation
Answer: X) X) Local magma chambers
Which of the following does the subscript 3 indicate in the molecular formula for calcium carbonate? W) There are 3 oxygen atoms in one molecule of calcium carbonate X) There are 3 carbon atoms in one molecule of calcium carbonate Y) There are 3 calcium atoms in one molecule of calcium carbonate Z) There are 3 atoms each of oxygen, carbon and calcium in one molecule of calcium carbonate
W: W) There are 3 oxygen atoms in one molecule of calcium carbonate
X: X) There are 3 carbon atoms in one molecule of calcium carbonate
Y: Y) There are 3 calcium atoms in one molecule of calcium carbonate
Z: Z) There are 3 atoms each of oxygen, carbon and calcium in one molecule of calcium carbonate
Answer: W) W) There are 3 oxygen atoms in one molecule of calcium carbonate
An ice-auger is an example of what type of simple machine?
Acceptable Answers:
The equation $$\frac{x^2}{4} + \frac{y^2}{9} = 1$$ has a graph that is an example of which of the following shapes? W) Parabola X) Ellipse Y) Circle Z) Torus
W: W) Parabola
X: X) Ellipse
Y: Y) Circle
Z: Z) Torus
Answer: X) X) Ellipse
Eight National Science Bowl contestants meet for the first time. Each shakes the hand of the other seven, except for one pair of contestants who refuse to shake each other’s hands. How many handshakes are exchanged?
Acceptable Answers:
Which of the following is the term for the transfer of energy through matter by the collision of atoms in a material? W) Conduction X) Convection Y) Confluence Z) Radiation
W: W) Conduction
X: X) Convection
Y: Y) Confluence
Z: Z) Radiation
Answer: W) W) Conduction
What happens to the strength of the electric field due to an electron as you get closer to the electron?
Acceptable Answers:
Which of the following classes of coal has the highest carbon content? W) Anthracite X) Bituminous Y) Lignite Z) Peat
W: W) Anthracite
X: X) Bituminous
Y: Y) Lignite
Z: Z) Peat
Answer: W) W) Anthracite
Approximately how long would a 100 watt bulb burn on the energy needed to manufacture one throw-away soft drink can? W) 10 minutes X) 5 hours Y) 10 hours Z) 100 hours
W: W) 10 minutes
X: X) 5 hours
Y: Y) 10 hours
Z: Z) 100 hours
Answer: Y) Y) 10 hours
Which of the following is a distinguishing characteristic of cheetah paws? W) They have a sixth toe X) Their claws are semi-retractable Y) They have an extra dewclaw Z) Their claws are covered with a sheath of skin
W: W) They have a sixth toe
X: X) Their claws are semi-retractable
Y: Y) They have an extra dewclaw
Z: Z) Their claws are covered with a sheath of skin
Answer: X) X) Their claws are semi-retractable
Which of the following is the best example of a vestigial structure on a marine organism? W) Pelvic bones on a whale X) Scales on a fish Y) Dorsal fin on a shark Z) Antennae on a lobster
W: W) Pelvic bones on a whale
X: X) Scales on a fish
Y: Y) Dorsal fin on a shark
Z: Z) Antennae on a lobster
Answer: W) W) Pelvic bones on a whale
The presence of fossilized marine organisms in rocks high above sea level is best explained by which of the following statements? W) They were once land animals X) They were carried there by other animals Y) They were once beneath the sea and tectonic processes raised the sediments Z) They were once part of a volcanic eruption
W: W) They were once land animals
X: X) They were carried there by other animals
Y: Y) They were once beneath the sea and tectonic processes raised the sediments
Z: Z) They were once part of a volcanic eruption
Answer: Y) Y) They were once beneath the sea and tectonic processes raised the sediments
What kind of clouds are primarily composed of ice particles, form in the upper parts of thunderstorms, and have streaks of snow that fall from their edges?
Acceptable Answers:
Which of the following solutions will conduct electricity the best? W) A saturated sugar-water solution X) A concentrated ethanol-water solution Y) A saturated salt-water solution Z) An unsaturated hydrogen-oxygen solution
W: W) A saturated sugar-water solution
X: X) A concentrated ethanol-water solution
Y: Y) A saturated salt-water solution
Z: Z) An unsaturated hydrogen-oxygen solution
Answer: Y) Y) A saturated salt-water solution
Given a neutral atom of iron, which of the following causes it to have a charge of +2? W) It gains an electron X) It loses an electron Y) It gains two electrons Z) It loses two electrons
W: W) It gains an electron
X: X) It loses an electron
Y: Y) It gains two electrons
Z: Z) It loses two electrons
Answer: Z) Z) It loses two electrons
Which of the following is the smallest integer greater than $101^{1/2}$? W) 9 X) 10 Y) 11 Z) 12
W: W) 9
X: X) 10
Y: Y) 11
Z: Z) 12
Answer: Y) Y) 11
Given two coplanar angles whose sides are all noncollinear, what are all of the different numbers of points in which the angles can intersect?
Acceptable Answers:
At which of the following locations does the continental shelf begin? W) At the bottom of the continental slope X) At the shoreline Y) At the ocean floor Z) At the mid-ocean ridge
W: W) At the bottom of the continental slope
X: X) At the shoreline
Y: Y) At the ocean floor
Z: Z) At the mid-ocean ridge
Answer: X) X) At the shoreline
What are the two most common types of root systems?
Acceptable Answers:
If 8 is 20% of a given number, what is 10% of the number?
Acceptable Answers:
If 273 students, or 7/8 of a graduating class, plan to attend college, how many students are there in the graduating class?
Acceptable Answers:
What is the name for the cellular structure that is responsible for manufacturing proteins?
Acceptable Answers:
List the following five classifications in order from least to most specific: 1) genus; 2) order; 3) phylum; 4) domain; 5) family.
Choices:
Correct Order: