Biology
Each of the following is a cell organelle except one. Which one of these is NOT a cell organelle? Is it
a) mitochondrion
b) lysosome
c) cytoplasm
d) endoplasmic reticulum
What is c -- cytoplasm
A solution with a pH of 12 is:
w) weakly acidic x) strongly acidic y) weakly basic z) strongly basic
What is z -- strongly basic
Multiple Choice: The work done by a friction force is: w) always positive x) always negative y) always zero z) either positive or negative depending upon the situation.
What is always negative?
Your grades on your first 3 math tests are 80%, 83%, and 90%. What do you need to score on the next test in order to average 87% on the 4 tests?
95%
The luminosity of a star is most directly related to the star’s:
W) relative magnitude
X) magnitude
Y) distance from Earth
Z) intrinsic brightness
What is INTRINSIC BRIGHTNESS?
Which organ/gland secretes triiodothyronine (T3)?
a) Liver
b) Thyroid
c) Kidneys
d) Pancreas
What is b -- the Thyroid Gland
The halogen with the largest atomic radius is:
w) Cl x) I y) Br z) At
What is z -- At (Astatine)
A Newton is equal to which of the following?
w) kilogram-meter per second x) meter per second squared y) kilogram-meter per second squared z) kilogram per meter-second
What is a KILOGRAM-METER PER SECOND SQUARED?
Multiply the following 2 radicals, giving your answer as a whole number: (4 √5 )( 2 √5 )
40
This is the name given to the gases that keep in the sun's heat
Atmosphere
The myofilaments of muscles consist primarily of two proteins. These two proteins are called:
a) actin and myosin
b) progesterone and testosterone
c) progesterone and estrogen
d) hemoglobin and macrophages
What are actin and myosin (a)
How many electrons can occupy an s orbital?
What is two
A boy is standing on an elevator which is traveling downward with a constant velocity of 30 meters per second. The boy throws a ball vertically upward with a velocity of 10 meters per second relative to the elevator. What is the velocity of the ball, MAGNITUDE AND DIRECTION, relative to the elevator shaft the instant the boy releases the ball?
20 METERS PER SECOND DOWN
At x = -½ , the graph of y = x^3 is:
W) increasing and concave up
X) increasing and concave down
Y) decreasing and concave up
Z) decreasing and concave down
X) INCREASING AND CONCAVE DOWN
What is the general name for the rising and falling of sea levels in response to the forces exerted by the Moon and Sun?
Tides
In studies of the human body, what is used to describe a blood-filled sac formed by an outpouching in an arterial or venous wall?
a) fistula
b) aneurysm
c) abscess
d) abrasion
What is b -- aneurysm
The bond in hydrogen chloride is which of the following types? Is it
w) ionic
x) nonpolar covalent
y) polar covalent
z) covalent network
What is y -- polar covalent
Electric current may be expressed in which one of the following units?
w) coulombs/volt x) joules/coulomb
y) coulombs/second z) ohms/second
What is COULOMBS/SECOND?
Giving your answer rounded to the 1st decimal place, find the 9th term in the geometric sequence with the first three terms: 0.1, 0.2, 0.4…
25.6
Approximately what fraction of Earth’s surface is covered by oceans: W) one-half X) two-thirds Y) seven-tenths Z) four-fifths
Y) Seven-tenths
Blood platelets are:
a) cytoplasmic fragments
b) free nuclei
c) a kind of red cell
d) found only during clot formation
What is A -- Cytoplasmic fragments
Molecules with the same chemical formula but different structures/shapes
Isomers
Two forces have magnitudes of 11 newtons and 5 newtons. The magnitude of their sum could NOT be equal to which of the following values?
w) 16 newtons x) 5 newtons y) 9 newtons z) 7 newtons
What is 5 Newtons?
If the volume of a sphere is 36π centimeters, find its radius, in centimeters:
3 centimeters
Name the phenomenon that occurs when the Earth's tectonic plates shift underwater
Tsunami