Round #2 Flashcards
(50 cards)
1) GENERAL SCIENCE Multiple Choice Coal formed from the remains of plants that died more
than 300 million years ago. In what period did these plants live?
W) Precambrian
X) Cenozoic
Y) Carboniferous [kahr-buh-NIF-er-uhs]
Z) Cretaceous [kri-TAY-shuhs]
ANSWER: Y) CARBONIFEROUS
1) GENERAL SCIENCE Multiple Choice What is the difference between mitosis [my-TOH-sis]
and meiosis [my-OH-sis]?
W) Mitosis refers to cell division while meiosis refers to cell repair
X) Mitosis produces haploid cells while meiosis produces diploid cells
Y) Meiosis has fewer stages than mitosis
Z) Meiosis typically produces haploid gametes while mitosis does not
ANSWER: Z) MEIOSIS TYPICALLY PRODUCES HAPLOID GAMETES WHILE MITOSIS
DOES NOT
2) ENERGY Short Answer Our Sun is a power source that generates energy through nuclear
fusion. In this process, lighter hydrogen nuclei combine to form what heavier element?
ANSWER: HELIUM
2) ENERGY Short Answer Given a temperature of 95° Fahrenheit, the energy efficiency ratio
(EER) is defined as the cooling capacity in Btu per hour over watts. Calculate the EER of an air
conditioner with a cooling capacity of 10,000 Btu per hour and a watts unit consumption of 1000
watts.
ANSWER: 10
3) PHYSICAL SCIENCE Multiple Choice A student hears the siren of a steadily approaching
police car. Which of the following is true?
W) The sound waves decrease in speed as the car nears
X) The sound waves increase in speed as the car nears
Y) The perceived frequency of the siren is greater than the frequency heard when the police car
is at rest
Z) The perceived frequency of the siren is less than the frequency heard when the police car is
at rest
ANSWER: Y) THE PERCEIVED FREQUENCY OF THE SIREN IS GREATER THAN THE
FREQUENCY HEARD WHEN THE POLICE CAR IS AT REST
3) PHYSICAL SCIENCE Multiple Choice The dynamic equilibrium [ee-kwuh-LIB-ree-uhm] of a
reaction is best characterized by which of the following?
W) Equal amounts of products, enzymes, and reactants
X) Complete use of all enzymes
Y) The forward rate of reaction has reached the maximum rate
Z) The forward and reverse rates of reaction are equal
ANSWER: Z) THE FORWARD AND REVERSE RATES OF REACTION ARE EQUAL
4) LIFE SCIENCE Multiple Choice Which of the following cellular organelles does NOT contain
DNA?
W) Chloroplasts
X) Mitochondria [my-tuh-KON-dree-uh]
Y) Nuclei
Z) Ribosomes [RY-buh-sohms]
ANSWER: Z) RIBOSOMES
4) LIFE SCIENCE Multiple Choice Why are so-called nectar robbers a problem for plants?
W) They cause inappropriate cross-pollination
X) They do not help pollinate plants
Y) They steal the plant’s pollen
Z) They cause self-pollination
ANSWER: X) THEY DO NOT HELP POLLINATE PLANTS
5) MATH Short Answer Once it breaks through the ground, a type of flower grows ¾ of an inch a
day. How many days will it take to reach a height of 6 feet?
ANSWER: 96
5) MATH Short Answer Identify all of the following five block letters that have rotational
symmetry: M, T, S, O, X.
ANSWER: S, O, AND X
6) EARTH AND SPACE Short Answer What primary weather factor is driven by the pressure
gradient caused by uneven heating of Earth’s surface?
ANSWER: WIND
6) EARTH AND SPACE Multiple Choice Which of the following states would have the least
amount of mass wasting based on the state’s topography?
W) Virginia
X) Colorado
Y) South Dakota
Z) Oregon
ANSWER: Y) SOUTH DAKOTA
7) GENERAL SCIENCE Multiple Choice Your body senses balance using semicircular canals,
which are located in which of the following?
W) Hippocampus
X) Ears
Y) Thyroid
Z) Optic nerve
ANSWER: X) EARS
7) GENERAL SCIENCE Short Answer Which members of our solar system left the majority of
craters, scars, and apparent pockmarks on the surface of Earth’s moon as a result of multiple
impacts?
ANSWER: METEOROIDS (ACCEPT: ASTEROIDS, METEORITES; DO NOT ACCEPT:
METEORS)
8) PHYSICAL SCIENCE Multiple Choice Pressure is defined as:
W) Force divided by unit area
X) Force divided by mass of air above the object
Y) Force divided by unit volume
Z) Power divided by unit force
ANSWER: W) FORCE DIVIDED BY UNIT AREA
8) PHYSICAL SCIENCE Multiple Choice Which of the following is true about sound perception?
W) The intensity of sound is independent of loudness
X) The frequency of sound is logarithmically related to the intensity
Y) The loudness of a sound is logarithmically related to the intensity
Z) Sounds measured in decibels are independent of the threshold of hearing
ANSWER: Y) THE LOUDNESS OF A SOUND IS LOGARITHMICALLY RELATED TO THE
INTENSITY
9) LIFE SCIENCE Multiple Choice In humans, red-green color blindness is caused by a
recessive sex-linked trait on the X chromosome. If a man and a woman produce a color blind
son, assuming no spontaneous mutation, which of the following must be true?
W) The father is color blind
X) Both parents carry the allele for color blindness
Y) The mother carries the allele for color blindness
Z) Neither parent carries the allele for color blindness
ANSWER: Y) THE MOTHER CARRIES THE ALLELE FOR COLOR BLINDNESS
9) LIFE SCIENCE Short Answer Expressed as a fraction, what is the probability that the
daughter of a color blind father and carrier mother will also be color blind?
ANSWER: 1/2
10) MATH Multiple Choice The slope of a line with equation y = px + b is greater than the slope
of the line with equation y = qx + b. Which of the following must be true about the relationship
between p and q?
W) p > q
X) p < q
Y) p = q
Z) p ≤ q
ANSWER: W) p > q
10) MATH Short Answer What fraction has 0.757575… as its infinite repeating decimal?
ANSWER: 25/33
11) EARTH AND SPACE Multiple Choice Which of the following is NOT a type of sediment load
carried by a river?
W) Dissolved
X) Drifting
Y) Suspended
Z) Bed
ANSWER: X) DRIFTING
11) EARTH AND SPACE Short Answer What is the name for the characteristic assigned to
minerals that do NOT cleave in an organized fashion?
ANSWER: FRACTURE
12) GENERAL SCIENCE Multiple Choice Wolbachia [wohl-BAK-eea] bacteria are maternally
transmitted in insect hosts. Wolbachia tend to localize to what region of their insect host?
W) Digestive tract
X) Head
Y) Ovaries
Z) Lungs
ANSWER: Y) OVARIES
12) GENERAL SCIENCE Multiple Choice Wolbachia [wohl-BAK-eea] bacteria are maternally
transmitted in insect hosts. Which of the following is NOT a method by which Wolbachia
manipulate the reproductive processes of their hosts in order to promote their proliferation
through a host population?
W) Killing male offspring
X) Inducing parthenogenesis [par-thuh-noh-JEN-uh-sis]
Y) Causing infected males to develop as females
Z) Increasing the proportion of haploid offspring
ANSWER: Z) INCREASINGTHE PROPORTION OF HAPLOID OFFSPRING
