Round #9 Flashcards
1) PHYSICAL SCIENCE Multiple Choice Which of the following components corresponds to
the pitch of a sound wave:
W) wavelength
X) frequency
Y) amplitude
Z) speed
ANSWER: X) FREQUENCY
1) PHYSICAL SCIENCE Multiple Choice In a closed container, if a gas is heated, which of
the following occurs:
W) molecular motion will decrease
X) the gas will condense on the inner walls of the container
Y) the chemical properties will change
Z) the pressure will increase
ANSWER: Z) THE PRESSURE WILL INCREASE
*2) LIFE SCIENCE Multiple Choice Which of the following is NOT true:
W) all the DNA in a eukaryotic cell is contained in the nucleus
X) chiasma are a method of genetic interchromasomal exchange
Y) in deuterostomes, the blastopore forms the anus
Z) in lower plants the sporophyte is parasitic upon the gametophyte
ANSWER: W) ALL THE DNA IN A EUKARYOTIC CELL IS CONTAINED IN THE
NUCLEUS
2) LIFE SCIENCE Short Answer What is the name of the layer of cells that are produced by
the phellogen and, as they mature and die, their cell walls are encrusted with suberin?
ANSWER: CORK
3) LIFE SCIENCE Multiple Choice Which of the following is the correct botanical term for the
stem of a flower:
W) peduncle (pronounced: pea-done-kle)
X) stolon
Y) rhizome
Z) tuber
ANSWER: W) PEDUNCLE
*3) LIFE SCIENCE Multiple Choice When reading the level of a fluid in a graduated cylinder,
what part of the meniscus is lined up with the graduations to give an accurate reading of the
volume?
W) the top of the meniscus
X) the bottom of the meniscus
Y) the middle of the meniscus
Z) the side of the meniscus
ANSWER: X) THE BOTTOM OF THE MENISCUS
4) EARTH SCIENCE Multiple Choice The Arctic Circle lies at which of the following
latitudes:
W) 66 ½° North
X) 90° North
Y) 66 ½° South
Z) 90° South
ANSWER: W) 66 ½° NORTH
4) EARTH SCIENCE Short Answer What is the only common mineral to be strongly magnetic
other than magnetite:
ANSWER: PYRRHOTITE (ACCEPT: FeS OR IRON SULFIDE)
5) MATH Multiple Choice A graph of a stationary object graphed with position on the vertical
axis and time on the horizontal axis is:
W) a horizontal line
X) a vertical line
Y) a curved line
Z) a line at 45 degrees
ANSWER: W) A HORIZONTAL LINE
5) MATH Short Answer Combine the terms in the following expression: 5 + 3x – 2y – 10
ANSWER: 3x – 2y – 5 (ACCEPT: -5 + 3x – 2y)
*6) GENERAL SCIENCE Multiple Choice Which of the following would typically be the
most accurate for measuring exactly 1 liter of water:
W) a pyrex 1 liter graduated cylinder
X) a pyrex 1 liter beaker
Y) a pyrex 2 liter beaker
Z) a pyrex 1 liter Erlenmyer flask
ANSWER: W) a pyrex 1 liter graduated cylinder
*6) GENERAL SCIENCE Multiple Choice Pavlov is noted to have developed what is called
classical conditioning. Which of the following is the best example of this?
W) a dog hears its owner opening a can of food and the dog salivates
X) a young boy looks forward to getting his allowance
Y) a bird flies south when winter approaches
Z) a monkey is trained to play ping pong through a series of rewards and punishments
ANSWER: W) A DOG HEARS ITS OWNER OPENING A CAN OF FOOD AND THE DOG
SALIVATES
*7) GENERAL SCIENCE Multiple Choice Which of the following is the most effective means
of preventing the spread of infections in hospitals?
W) antibiotic treatment
X) proper sterilization of all materials
Y) washing hands frequently
Z) wearing surgical masks
ANSWER: Y) WASHING HANDS FREQUENTLY
*7) GENERAL SCIENCE Multiple Choice Which of the following best describes what most
experts believe about Homo sapiens?
W) they arose out of Africa less than 200,000 years ago
X) they arose from Neanderthals about 1 million years ago
Y) they arose from apes about 20 million years ago
Z) they arose from China about 2 million years ago
ANSWER: W) THEY AROSE OUT OF AFRICA LESS THAN 200,000 YEARS AGO
8) EARTH SCIENCE Multiple Choice An increase in chlorine in the stratosphere is believed
to be the cause of which of the following:
W) the Antarctic ozone hole
X) increased photolysis of oxygen
Y) decreased photolysis of oxygen
Z) loss of atmospheric nitrogen
ANSWER: W) THE ANTARCTIC OZONE HOLE
8) EARTH SCIENCE Short Answer Order the following minerals from the hardest to the
softest: Calcite; Talc; Quartz; Diamond
ANSWER: DIAMOND; QUARTZ; CALCITE; TALC
9) PHYSICAL SCIENCE Multiple Choice At which temperature would water most likely boil
on Mount McKinley:
W) 90°C
X) 100°C
Y) 110°C
Z) 120°C
ANSWER: W) 90°C
9) PHYSICAL SCIENCE Multiple Choice If one holds a piece of notebook paper vertically in
front of and below the mouth and blows strongly over the paper, the paper rises in the direction
that the air is flowing. This illustrates what principle of physics:
W) Archimedes’ Principle
X) Bernoulli’s Law
Y) Pascal’s Law
Z) Charles’ Law
ANSWER: X) BERNOULLI’S LAW
10) MATH Short Answer In the following set of numbers, which is NOT a prime number:
3, 5, 11, 17, 25, 29
ANSWER: 25
10) MATH Short Answer A farmer wants to make a square fenced-in area for his cows, with an
area of 1600 square feet. He wants to have a fence post every 10 feet on the perimeter. How
many fence posts will he need?
ANSWER: 12
11) PHYSICAL SCIENCE Multiple Choice The property of water which permits an insect to
“walk” on water is:
W) viscosity
X) surface tension
Y) tensile strength
Z) turgor pressure
ANSWER: X) SURFACE TENSION
11) PHYSICAL SCIENCE Multiple Choice Molecules that have the same chemical formula
but have different shapes or geometric arrangements are called:
W) isomers
X) twins
Y) gluons
Z) isotopes
ANSWER: W) ISOMERS
*12) EARTH SCIENCE Multiple Choice Which of the following is NOT true regarding the far
side of the moon:
W) it contains no large maria
X) it contains numerous craters and highlands
Y) it has been surveyed by spacecraft
Z) it is always dark
ANSWER: Z) IT IS ALWAYS DARK
12) EARTH SCIENCE Multiple Choice The Fujita Scale is used to classify intensities of:
W) hurricanes
X) tornadoes
Y) earthquakes
Z) volcanic eruptions
ANSWER: X) TORNADOES
13) MATH Multiple Choice Continuing up the number sequence of natural numbers, prime
numbers become which of the following:
W) non-existent at a certain point
X) all even after a certain point
Y) less and less frequent
Z) more frequent
ANSWER: Y) LESS AND LESS FREQUENT
13) MATH Short Answer If you begin with 1 and double it 12 times, what will the total be?
ANSWER: 4,096
14) EARTH SCIENCE Multiple Choice Most of the rain that reaches the ground is from
which of the following clouds?
W) cumulus
X) cirrus
Y) nimbus
Z) lenticular
ANSWER: Y) NIMBUS
14) EARTH SCIENCE Multiple Choice A tropical storm will be declared a hurricane when:
W) it moves out of the tropics
X) wind speeds reach 34 mph
Y) tornadoes are observed
Z) there is evidence of eye formation and sustained wind speeds of 74 mph
ANSWER: Z) THERE IS EVIDENCE OF EYE FORMATION AND SUSTAINED WIND
SPEEDS OF 74 MPH
15) LIFE SCIENCE Multiple Choice Which of the following is the most specific place where
the subunits of ribosomes are made in eukaryotes?
W) nucleus
X) endoplasmic reticulum
Y) mitochondria
Z) nucleolus
ANSWER: Z) NUCLEOLUS
*15) LIFE SCIENCE Multiple Choice Which of the following is NOT characteristic of mitosis:
W) chromosomes line up on an equatorial plate
X) occurs in somatic cells
Y) crossing over
Z) preceded by the disappearance of the nuclear membrane
ANSWER: Y) CROSSING OVER
*16) GENERAL SCIENCE Short Answer What substance, because of its ability to dissolve so
many different things, is usually considered the “universal solvent”?:
ANSWER: Water
*16) GENERAL SCIENCE Multiple Choice In typical U.S. household wiring, which of the
following colored wires is properly matched to its description?
W) white for “hot”
X) black for neutral
Y) white for ground
Z) green for ground
ANSWER: Z) GREEN FOR GROUND
*17) EARTH SCIENCE Multiple Choice Which of the following occurs during a lunar
eclipse?
W) the moon passes between the Earth and the Sun
X) the Earth passes between the Sun and the Moon
Y) the Sun passes between the Earth and the Moon
Z) Solar flares increase in intensity
ANSWER: X) THE EARTH PASSES BETWEEN THE SUN AND THE MOON
17) EARTH SCIENCE Short Answer Magnetite is composed of what two elements?
ANSWER: IRON AND OXYGEN
*18) PHYSICAL SCIENCE Short Answer By passing current through a wire wrapped around
an iron rod, William Sturgeon invented the:
ANSWER: ELECTROMAGNET
18) PHYSICAL SCIENCE Short Answer In pursuit of an insect, a lizard, braced against a rock,
accelerates with a horizontal magnitude of 15 meters per second squared. How much horizontal
force, in newtons, must the lizard exert on the rock to produce this acceleration if the lizard has a
mass of 3 kilograms?
ANSWER: 45 NEWTONS (ACCEPT: 45)
19) MATH Multiple Choice The equation y (5+2y) = y × 5 + y × 2y (read as: y times,
parentheses, five plus two y, close parentheses, equals y times five plus y times two y) is an
example of which algebraic property:
W) commutative property of addition
X) associative property of addition
Y) distributive property
Z) additive identity property
ANSWER: Y) DISTRIBUTIVE PROPERTY
19) MATH Short Answer Combine the terms in the following expression: 12xy – 4x + 6y –
20yx
ANSWER: -10xy – 4x + 6y (ACCEPT: -4x + 6y – 10xy)
*20) GENERAL SCIENCE Multiple Choice Barney and Fred are looking at a star chart listing
the brightness of stars to observers on Earth. Which of the following heavenly bodies would
most likely match with a magnitude value of negative 13?
W) the Moon
X) the Sun
Y) Jupiter
Z) Pluto
ANSWER: W) THE MOON
20) GENERAL SCIENCE Short Answer Which two of the following 5 elements are named
after famous female scientists? Berkelium, Lawrencium, Meitnerium, Curium, Osmium
ANSWER: MEITNERIUM, CURIUM
*21) GENERAL SCIENCE Multiple Choice Where will you most likely absorb the most
ionizing radiation?
W) in a space shuttle 30 miles above the earth
X) working in an assembly line packing nuclear reactor fuel rods with uranium pellets
Y) working in a coal mine
Z) working in a control room at a nuclear power plant
ANSWER: W) IN A SPACE SHUTTLE 30 MILES ABOVE THE EARTH
21) GENERAL SCIENCE Short Answer Rounded to the nearest hundred, what is the
temperature in Fahrenheit of a substance at 1000°C ?
ANSWER: 1800
22) LIFE SCIENCE Multiple Choice The presence of which of the following is what makes
rough endoplasmic reticulum appear rough and not smooth?
W) ribosomes
X) globular proteins
Y) glycolipids
Z) growing proteins
ANSWER: W) RIBOSOMES
22) LIFE SCIENCE Short Answer A lack of the neurotransmitter dopamine in the brain of
humans causes what disease that afflicts thousands of US people including Michael J. Fox and
Janet Reno:
ANSWER: PARKINSON’S
23) MATH Short Answer The price of a postage stamp changes from 33 cents to 34 cents.
What is the percent increase in price?
ANSWER: 3 (ACCEPT: 3.03)
23) MATH Short Answer Simplify the following equation:
7x
2
x3
ANSWER:
7
x (ACCEPT: 7(x)-1)
24) LIFE SCIENCE Multiple Choice Which of the following is NOT a protist?
W) Paramecium
X) Euglena
Y) Amoeba
Z) Anabaena ( AN-ah-BEEN-ah)
ANSWER: Z) ANABAENA
24) LIFE SCIENCE Short Answer Give the respective common name for the following tissues:
hepatic, cardiac, epidermis.
ANSWER: LIVER, HEART, SKIN
25) PHYSICAL SCIENCE Short Answer The ability of a semiconductor to carry a current is
increased by a process called:
ANSWER: DOPING
25) PHYSICAL SCIENCE Short Answer Order the following from the LOWEST to the
HIGHEST temperature: water boils, iron melts, ammonia boils, tin melts
ANSWER: AMMONIA BOILS, WATER BOILS, TIN MELTS, IRON MELTS
