Round #3

Question 1

1) LIFE SCIENCE Multiple Choice Vestigial (pronounced VES-ti-gee-al) structures:
W) have no known function in their present owners
X) function in an analogous fashion in all species
Y) evolve homologously until functional
Z) control nervous system functions

Answer 1

`ANSWER: W) HAVE NO KNOWN FUNCTION IN THEIR PRESENT OWNERS

Question 2

1) LIFE SCIENCE Short Answer Mallus ioeusis and Mallus sylvestris are the genera and
species of what common tree?

Answer 2

ANSWER: APPLE

Question 3

2) PHYSICAL SCIENCE Multiple Choice What is the decibel scale most often used to
measure?
W) size of bells
X) magnitude of hurricanes
Y) loudness of a sound
Z) brightness of lights

Answer 3

ANSWER: Y) LOUDNESS OF A SOUND

Question 4

46) PHYSICAL SCIENCE Multiple Choice What is the name of the lowest energy subshell of
an atom where electrons are found:
W) s
X) p
Y) d
Z) a

Answer 4

ANSWER: W) S

Question 5

3) EARTH SCIENCE Multiple Choice Which of the following are the highest of the clouds in
the troposphere and are composed entirely of ice crystals:
W) stratus
X) cirrus
Y) cumulus
Z) altocumulus

Answer 5

ANSWER: X) CIRRUS

Question 6

3) EARTH SCIENCE Multiple Choice In the Northern Hemisphere, when is the Earth the
greatest distance from the sun:
W) winter
X) spring
Y) summer
Z) fall

Answer 6

ANSWER: Y) SUMMER

Question 7

4) MATH Short Answer The identity element for addition is what number?

Answer 7

ANSWER: 0

Question 8

4) MATH Short Answer On a math test, 20 students averaged a score of 80% while 10 students
averaged 90%. To the nearest whole number, what is the mean score of the entire class?

Answer 8

ANSWER: 83%

Question 9

5) PHYSICAL SCIENCE Multiple Choice Which of the following units is used to measure
electric current:
W) voltage
X) ohms
Y) amperes
Z) watts

Answer 9

ANSWER: Y) AMPERES

Question 10

5) PHYSICAL SCIENCE Short Answer What is the current, in amperes, running through a
200-watt light bulb running on a 100 volt power source.

Answer 10

ANSWER: 2 AMPERE

Question 11

6) GENERAL SCIENCE Short Answer What is the scientific term often used by astronomers
and geoscientists that refers to the point directly overhead?

Answer 11

ANSWER: ZENITH

Question 12

6) GENERAL SCIENCE Multiple Choice The light year is a useful unit of measure for the
distance between:
W) planets
X) stars
Y) atoms
Z) asteroids

Answer 12

ANSWER: X) STARS

Question 13

7) LIFE SCIENCE Multiple Choice Which of the following parts of a plant produces pollen:
W) petal
X) stamen
Y) pistil
Z) sepal

Answer 13

ANSWER: X) STAMEN

Question 14

7) LIFE SCIENCE Multiple Choice Plant cells differ from animal cells in that only plant cells
possess:
W) a nucleus
X) mitochondria
Y) a cell wall
Z) lysosomes

Answer 14

ANSWER: Y) A CELL WALL

Question 15

8) MATH Short Answer Solve the following equation: 4
3x = -12

Answer 15

ANSWER: -16

Question 16

8) MATH Short Answer Convert the periodic decimal 0.8333 or 0.83 “bar” into a fraction:

Answer 16

ANSWER: 5/6

Question 17

9) EARTH SCIENCE Multiple Choice When, in the geological time scale, did dinosaurs roam
the Earth in large numbers:
W) Jurassic
X) Triassic
Y) Cretaceous
Z) Tertiary

Answer 17

ANSWER: W) JURASSIC

Question 18

9) EARTH SCIENCE Multiple Choice Meteor showers are composed of:
W) large pieces of falling rocks
X) dust and other debris from comets
Y) falling stars
Z) solar flares

Answer 18

ANSWER: X) DUST AND OTHER DEBRIS FROM COMETS

Question 19

10) GENERAL SCIENCE Short Answer Rounded to the nearest whole number, how many
centimeters are in 2 inches ?

Answer 19

ANSWER: 5

Question 20

10) GENERAL SCIENCE Multiple Choice Which of the following is NOT true of comets:
W) they have highly elliptical orbits around the sun
X) they leave a trail of particles that reflect sun light
Y) they are made of rocks and condensed gases
Z) they can only be seen when they pass through the atmosphere

Answer 20

ANSWER: Z) THEY CAN ONLY BE SEEN WHEN THEY PASS THROUGH THE
ATMOSPHERE

Question 21

11) EARTH SCIENCE Short Answer What is the name for the apparent force that causes
hurricanes to be deflected to the right in the Northern hemisphere and to the left in the Southern
hemisphere?

Answer 21

ANSWER: THE CORIOLIS EFFECT (ACCEPT: CORIOLIS FORCE)

Question 22

11) EARTH SCIENCE Multiple Choice The supercontinent Pangea started to break apart into
our present day continents approximately how many million years ago:
W) 100
X) 200
Y) 300
Z) 400

Answer 22

ANSWER: X) 200

Question 23

12) MATH Short Answer Add the following numbers: 0.5 + 0.05 + 0.005

Answer 23

ANSWER: 0.555

Question 24

12) MATH Short Answer Remove the grouping symbols in the following expression: -3x(2 –
5z)

Answer 24

ANSWER: -6x + 15xz (ACCEPT: 15xz – 6x)

Question 25

13) PHYSICAL SCIENCE Multiple Choice Which of the following is the least dense at standard temperature and pressure: W) 10 kilogram of pure water X) 10 kilogram of aluminum Y) 2 kilogram of silver Z) 1 kilogram of gold

Answer 25

ANSWER: W) 10 kilogram of pure water

Question 26

13) PHYSICAL SCIENCE Short Answer How many electron does the s subshell of an atom hold?

Answer 26

ANSWER: 2

Question 27

14) LIFE SCIENCE Multiple Choice Which of the following is the scientific name for the knee cap: W) fibula X) malleus Y) patella Z) scapula

Answer 27

ANSWER: Y) PATELLA

Question 28

14) LIFE SCIENCE Short Answer Organize the following 3 tooth layers from the outermost to the innermost of a tooth: dentin, enamel, pulp

Answer 28

ANSWER: ENAMEL, DENTIN, PULP

Question 29

15) GENERAL SCIENCE Short Answer How much does one cubic centimeter of water weigh at standard temperature and pressure?

Answer 29

ANSWER: 1 gram

Question 30

15) GENERAL SCIENCE Multiple Choice Craters on the moon is evidence of : W) lakes that once existed X) visits from other life forms Y) asteroid impacts Z) plate tectonics

Answer 30

ANSWER: Y) ASTEROID IMPACTS

Question 31

16) PHYSICAL SCIENCE Multiple Choice The particles in an atom that determine which element it is are the: W) nuclei X) electrons Y) neutrons Z) protons

Answer 31

ANSWER: Z) PROTONS

Question 32

16) PHYSICAL SCIENCE Multiple Choice All metals: W) melt at high temperatures X) conduct heat and electricity Y) contain iron Z) react with air and water

Answer 32

ANSWER: X) CONDUCT HEAT AND ELECTRICITY

Question 33

17) LIFE SCIENCE Multiple Choice Which of the following parts of a cell is most directly responsible for synthesizing proteins: W) ribosomes X) endoplasmic reticulum Y) vacuoles Z) lysosomee

Answer 33

ANSWER: W) RIBOSOMES

Question 34

17) LIFE SCIENCE Short Answer This structure that develops in the wall of the uterus functions in the pregnant mammals to transfer nourishment and oxygen and remove wastes from the developing offspring.

Answer 34

ANSWER: PLACENTA

Question 35

18) EARTH SCIENCE Short Answer Which equinox marks the beginning of spring in the Northern Hemisphere?

Answer 35

ANSWER: VERNAL EQUINOX

Question 36

18) EARTH SCIENCE Multiple Choice Steep-sided volcanoes such as Mounts Rainier, Hood, and Fuji, are examples of what kind of volcanoes: W) stratovolcanoes X) tephra cone volcanoes Y) shield volcanoes Z) tower volcanoes

Answer 36

ANSWER: W) STRATOVOLCANOES

Question 37

19) GENERAL SCIENCE Multiple Choice The Sahara Desert in Africa is what type of desert? W) subtropical X) continental Y) rain shadow Z) coastal

Answer 37

ANSWER: W) SUBTROPICAL

Question 38

19) GENERAL SCIENCE Short Answer What are the 4 physical states of matter?

Answer 38

ANSWER: SOLID, LIQUID, GAS, PLASMA

Question 39

20) LIFE SCIENCE Multiple Choice Which of the following is the scientific name for the thigh bone: W) tibia X) femur Y) fibula Z) humerus

Answer 39

ANSWER: X) FEMUR

Question 40

20) LIFE SCIENCE Short Answer When a nerve message reaches the end of an axon it sends a message or impulse across the space between the nerves to continue its message to the next nerve. What is the space across which the message is sent usually called?

Answer 40

ANSWER: SYNAPSE

Question 41

21) PHYSICAL SCIENCE Multiple Choice When a car turns a corner on dry pavement, the wheels do not slide sideways and the car completes the turn due to what interaction between the tires and the pavement? W) friction X) torque Y) drag Z) acceleration

Answer 41

ANSWER: W) FRICTION

Question 42

21) PHYSICAL SCIENCE Multiple Choice Complex carbohydrates are called: W) polypeptides X) polynuclides Y) polypropylenes Z) polysaccharides

Answer 42

ANSWER: Z) POLYSACCHARIDES

Question 43

22) MATH Short Answer What kind of fraction has the absolute value of the numerator greater than the denominator?

Answer 43

ANSWER: IMPROPER FRACTION

Question 44

22) MATH Multiple Choice Which of the following numbers is divisible by 3: W) 5,163 X) 2,465 Y) 1,315 Z) 313

Answer 44

ANSWER: W) 5,163

Question 45

23) EARTH SCIENCE Short Answer With a Mohs’ hardness of 1, what is the softest mineral known?

Answer 45

ANSWER: TALC

Question 46

23) EARTH SCIENCE Multiple Choice The first scientist to propose the hypothesis of the past existence of the supercontinent Pangea was: W) James Hutton X) John Filmore Hayford Y) Charles Darwin Z) Alfred Wegener

Answer 46

ANSWER: Z) ALFRED WEGENER

Question 47

24) GENERAL SCIENCE Short Answer What vitamin is the most directly associated with the disease scurvy?

Answer 47

ANSWER: VITAMIN C

Question 48

24) GENERAL SCIENCE Multiple Choice Which of the following is the best estimate of what a gallon of water weighs in kilograms? W) 2 kilograms X) 4 kilograms Y) 6 kilograms Z) 8 kilograms

Answer 48

ANSWER: X) 4 KILOGRAMS

Question 49

25) MATH Short Answer What is the name for a set that contains no elements?

Answer 49

ANSWER: EMPTY SET

Question 50

25) MATH Short Answer Solve the following expression: 2 25 + 25 ÷ 5

Answer 50

ANSWER: 15