MS Sample Set 9, Round 9 from NSB
In the process of meiosis, which of the following is the end product? W) One parent cell becomes two daughter cells X) One parent cell becomes four daughter cells Y) Two parent cells become one daughter cell Z) Two parent cells become two daughter cells
W: W) One parent cell becomes two daughter cells
X: X) One parent cell becomes four daughter cells
Y: Y) Two parent cells become one daughter cell
Z: Z) Two parent cells become two daughter cells
Answer: X) X) One parent cell becomes four daughter cells
Which of the following terms is used to describe a change in cell structure and function from generalized to specialized? W) Differentiation X) Development Y) Morphogenesis Z) Growth
W: W) Differentiation
X: X) Development
Y: Y) Morphogenesis
Z: Z) Growth
Answer: W) W) Differentiation
Simplify the following expression: $$(2 \times 2)^2$$.
Acceptable Answers:
Identify all of the following three statements regarding quadratic equations with real coefficients that are universally true: 1) When the discriminant is zero, the roots are real; 2) When the discriminant is positive, the roots are equal; 3) When the discriminant is positive, the roots are imaginary.
Choices:
Correct Answers:
An electrical generator converts: W) Solar energy to electric energy X) Thermal energy to electric energy Y) Chemical energy to electric energy Z) Mechanical energy to electric energy
W: W) Solar energy to electric energy
X: X) Thermal energy to electric energy
Y: Y) Chemical energy to electric energy
Z: Z) Mechanical energy to electric energy
Answer: Z) Z) Mechanical energy to electric energy
Identify all of the following three processes that are considered phase changes: 1) Sodium reacting with water and producing hydrogen gas; 2) Gold melting at high temperatures; 3) Carbon dioxide depositing to dry ice at low temperatures.
Choices:
Correct Answers:
The objects that Carl Seyfert observed are examples of what? W) Variable stars X) Galaxies Y) Filaments Z) Clusters
W: W) Variable stars
X: X) Galaxies
Y: Y) Filaments
Z: Z) Clusters
Answer: X) X) Galaxies
Ablation by sunlight would primarily affect which of the following objects? W) Pluton X) Volcano Y) Glacier Z) Thunderstorm
W: W) Pluton
X: X) Volcano
Y: Y) Glacier
Z: Z) Thunderstorm
Answer: Y) Y) Glacier
What is the term used to describe the dark, smooth areas of the moon, previously thought to be bodies of water?
Acceptable Answers:
Magnetrons are generally found in which home device?
Acceptable Answers:
Identify all of the following three numbers that are rational: 1) $\tfrac{6}{9}$; 2) $\frac{\sqrt{8}}{\sqrt{2}}$; 3) $\frac{\sqrt{81}}{5}$.
Choices:
Correct Answers:
Anna buys used books for x dollars per dozen and sells them for x/9 dollars per book. If she buys the books for \$72 per dozen, what is her profit per book? W) 1 dollar X) 2 dollars Y) 3 dollars Z) 4 dollars
W: W) 1 dollar
X: X) 2 dollars
Y: Y) 3 dollars
Z: Z) 4 dollars
Answer: X) X) 2 dollars
A high-speed electron ejected from a nucleus during radioactive decay is referred to as what?
Acceptable Answers:
A coin weighs 3.5 grams and when placed in water, displaces a volume of 0.50 milliliters. To two significant figures, what is the density of the coin in grams per milliliter?
Acceptable Answers:
What state produces the most coal in the U.S.? W) California X) Wyoming Y) Texas Z) Iowa
W: W) California
X: X) Wyoming
Y: Y) Texas
Z: Z) Iowa
Answer: X) X) Wyoming
What type of energy generation involves the usage of radioactive actinides?
Acceptable Answers:
What is the term for igneous activity that occurs below the Earth's surface? W) Plutonic X) Extrusive Y) Unconformed Z) Conformed
W: W) Plutonic
X: X) Extrusive
Y: Y) Unconformed
Z: Z) Conformed
Answer: W) W) Plutonic
What is the term for a catastrophic explosion of a massive star?
Acceptable Answers:
Which of the following is a vascular plant? W) Spanish moss X) Oak tree Y) Green algae Z) Fern lichen
W: W) Spanish moss
X: X) Oak tree
Y: Y) Green algae
Z: Z) Fern lichen
Answer: X) X) Oak tree
What structural polysaccharide is found in fungal cell walls and the exoskeletons of insects?
Acceptable Answers:
While there are over 300 species of sharks in the ocean, approximately what percentage are "vicious" or are known to attack unprovoked? W) 2 X) 5 Y) 10 Z) 25
W: W) 2
X: X) 5
Y: Y) 10
Z: Z) 25
Answer: W) W) 2
To the nearest whole foot, how many feet does light travel in one nanosecond?
Acceptable Answers:
What two planets in the Solar System do not have any moons?
Acceptable Answers:
Which of the following types of rocks hosts the best-preserved fossils? W) Conglomerate X) Sandstone Y) Breccia Z) Black shale
W: W) Conglomerate
X: X) Sandstone
Y: Y) Breccia
Z: Z) Black shale
Answer: Z) Z) Black shale
Growth of plants in the ocean is generally limited by which of the following? W) Salt and sunlight X) Oxygen and carbon Y) Nitrogen and phosphorus Z) Hydrogen and sulfur
W: W) Salt and sunlight
X: X) Oxygen and carbon
Y: Y) Nitrogen and phosphorus
Z: Z) Hydrogen and sulfur
Answer: Y) Y) Nitrogen and phosphorus
Rectification is the conversion of alternating current to direct current. What process converts direct current to alternating current?
Acceptable Answers:
Identify all of the following organisms that are considered autotrophs: 1) Plants; 2) Cyanobacteria; 3) Humans.
Choices:
Correct Answers:
What type of molecules are secreted by the endocrine system?
Acceptable Answers:
What is the molar volume, to the nearest tenth of a liter, of an ideal gas at standard pressure?
Acceptable Answers:
The chemical behavior of an atom is determined by its: W) Atomic number X) Nuclear binding energy Y) Mass number Z) Number of isotopes
W: W) Atomic number
X: X) Nuclear binding energy
Y: Y) Mass number
Z: Z) Number of isotopes
Answer: W) W) Atomic number
A circle has a circumference of $6\pi$. What is its radius?
Acceptable Answers:
Given that f = –1, g = 7, and h = –10, what is $h^2 + fgh$?
Acceptable Answers:
Coal can be burned to produce energy. It can also be chemically combined with oxygen or air in a more controlled way that yields lower harmful gas emissions. What is this alternative method of processing coal for energy called?
Acceptable Answers:
In geologic sequestration, carbon dioxide is often pumped back into the ground to replace other substances that are being removed. Identify all of the following replacements that are currently taking place: 1) CO2 replaces methane gas; 2) CO2 replaces crude oil; 3) CO2 replaces potable water.
Choices:
Correct Answers:
Laura wants to find the distance between two cities. The distance on a map is 18 inches. The scale on the map is 3 inches to 5 miles. How many miles is it between the two cities? W) 5 miles X) 15 miles Y) 30 miles Z) 40 miles
W: W) 5 miles
X: X) 15 miles
Y: Y) 30 miles
Z: Z) 40 miles
Answer: Y) Y) 30 miles
What is the area of a trapezoid with the following properties: its altitude is 12, and it has parallel sides of length 25 and 50, with nonparallel opposite sides of length 15 and 20?
Acceptable Answers:
A chemical change occurs when a substance: W) Changes state X) Gains or loses electrons Y) Reaches its boiling point Z) Is ground into a powder
W: W) Changes state
X: X) Gains or loses electrons
Y: Y) Reaches its boiling point
Z: Z) Is ground into a powder
Answer: X) X) Gains or loses electrons
The energy associated with a photon is related to its frequency by what fundamental physical constant?
Acceptable Answers:
What fluid fills the spaces between cells in animals?
Acceptable Answers:
What parts of plants, located at the tips of the roots and shoots, contain cells that are actively growing in length?
Acceptable Answers:
What graduated piece of glassware is used for delivering known volume of a liquid, especially during titrations?
Acceptable Answers:
What country is the world's leading overall emitter of greenhouse gas?
Acceptable Answers:
Which of the following cannot be classified as an igneous rock? W) Granite X) Rhyolite Y) Coal Z) Obsidian
W: W) Granite
X: X) Rhyolite
Y: Y) Coal
Z: Z) Obsidian
Answer: Y) Y) Coal
What layer of the atmosphere is the transition between atmosphere and space?
Acceptable Answers:
What is the source of most of the energy on Earth?
Acceptable Answers:
The Advanced Light Source at the Lawrence Berkeley National Laboratory produces bright electromagnetic radiation in the ultraviolet range and what other range?
Acceptable Answers: