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?
Which of the following represents the inverse function of f(x) = x3+5:
W) (x – 5)3 X) x3 – 5
Y) (x-5)1/3 Z) (1/x-5)3
Y) (x-5)1/3
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)? [We asked you this before!]
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?
Which of the following is TRUE about any two successive terms in the Fibonacci sequence:
W) their product is a Fibonacci number
X) they are either both odd or both even
Y) they are relatively prime
Z) their quotient is the golden ratio
Y) they are relatively prime
A lightning bolt is seen and its accompanying thunder is heard 15 seconds later. This means the storm is most likely how many miles away:
W) 3
X) 6
Y) 9
Z) 15
W) 3
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?
w) one x) two y) three z) four
What is x -- 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
Which of the following would typically appear to be the farthest away from the ecliptic:
W) the planet Mars
X) the constellation Leo
Y) the Sun
Z) the constellation Cassiopeia
What is THE CONSTELLATION CASSIOPEIA?
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?
A long-play record rotates at 33 ⅓ revolutions per minute. Which of the following represents this in radians per minute?
W) 66 ⅔𝜋
X) 33 ⅓𝜋
Y) 16 ⅔
Z) 6𝜋
W) 66 ⅔𝜋
Which of the following is NOT true regarding seismic waves through the Earth:
W) P-waves travel through the mantle
X) S-waves travel through the mantle
Y) P-waves travel through the outer core
Z) S-waves travel through the outer core
What is S-WAVES TRAVEL THROUGH THE OUTER CORE?
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
In which of the following is the "octet rule" violated?
w) CO2
x) NH4^+ (read: N - H - 4 - plus)
y) SO4^2- (read: S - O - 4 - 2 minus)
z) NO2
What is z -- NO2 (Nitrogen dioxide)
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?
The sum of the squares of reciprocals of all positive integers equals which of the following?
W) √𝜋
X) 𝜋/3
Y) 𝜋2/6
Z) 𝜋3/12
Y) 𝜋2/6
Which of the following would astronomers most likely consider emission nebula:
W) Population III (read as: 3) regions
X) Population II (read as: 2) regions
Y) Glowing H II (read as: H, 2) regions
Z) Active regions
What are GLOWING H II REGIONS?