A restaurant offers a selection of 4 different sandwiches, 3 different soups and 4 different
flavours of juice. This is the amount of different ways can a person select one item from each category.
A. 11
B. 18
C. 48
D. 54
What is c (48)
100
The following is a scalar quantity.
A. impulse
B. magnetic field
C. electric charge
D. gravitational field
What is C. electric charge
100
Consider the following system:
2NO (g ) + O2 ( g) ←→ 2NO2 (g )
The following would indicate whether equilibrium had been established.
A. [NO ] > [o2 ]
B. [NO] = 2[O2 ]
C. [O2] = 2 [NO]
D. [NO] is constant
What is D. [NO] is constant
100
Cellular respiration may be summarized by which of the following?
A. glucose + oxygen → carbon dioxide + water+ ATP
B. glucose + oxygen + ATP → carbon dioxide + water
C. glucose + ATP + carbon dioxide → oxygen and water
D. glucose + carbon dioxide → oxygen + carbon dioxide + ATP
What is A. glucose + oxygen → carbon dioxide + water+ ATP
200
All restrictions for the expression (tan x)/(cos x − 1) .
A. cos x ≠ 0
B. cos x ≠ 1
C. sin x ≠ 0, cos x ≠ 1
D. cos x ≠ 0, cos x ≠ 1
What is D. cos x ≠ 0, cos x ≠ 1
200
A satellite is in a circular orbit around a moon. The following change would increase in the satellite’s speed in order for it to remain in a circular orbit
A. an increase in the satellite’s mass
B. a decrease in the satellite’s mass
C. an increase in the satellite’s orbital radius
D. a decrease in the satellite’s orbital radius
What is D. a decrease in the satellite’s orbital radius
200
the following factor will increase the reaction rate of a heterogeneous reaction,
but not of a homogeneous reaction.
A. adding a catalyst
B. increasing temperature
C. increasing concentration
D. increasing surface area
What is D. increasing surface area
200
Which of the following molecules contains anticodons?
A. DNA
B. tRNA
C. mRNA
D. amino acid
What is B. tRNA
300
Evaluate: (log3) 27^1/2
A. 2/9
B. 2/3
C. 3/2
D. 9/2
What is C. 3/2
300
One of the great achievements of nineteenth-century physics was the rejection of Newton's particle model of light in favor of the wave model implied by Maxwell's equations. So you can imagine how upset physicists were when Einstein came along and proposed that light interacted with matter as a quantized, massless particle after all! What phenomenon was Einstein attempting to explain?
A blackbody radiation
B Brownian motion
C Compton effect
D photoelectric effect
What is D photoelectric effect
300
A 1.0 L sample of saturated solution was prepared at 25°C. The saturated solution was
then allowed to evaporate at 25°C until 0.25 L of solution remained. The concentration of
the saturated solution after evaporation.
A. the same as before evaporation.
B. 3 times lower than before evaporation.
C. 4 times lower than before evaporation.
D. 4 times higher than before evaporation.
What is A. the same as before evaporation.
300
If a cell crenates, its surface area-to-volume ratio
A. increases.
B. decreases.
C. remains unchanged.
What is A. increases
400
When x^3 − 2kx^2 + 3k^2x − 15 is divided by x − 2 , the remainder is 1. All values for k are.
A. k = −4
B. k = 17/8
C. k = − 2/3 , 2
D. k = 2/3 , −2
What is C. k = − 2/3 , 2
400
A transformer has 270 primary windings and 9 secondary windings. If the primary voltage is
120 V what the transformer’s secondary voltage is
A. 0.25 V
B. 4.0 V
C. 120 V
D. 3 600 V
What is B. 4.0 V
400
What is the pH at the transition point for an indicator with a Ka of 2.5 ×10−4 ?
A. 1.00
B. 3.60
C. 7.00
D. 10.40
What is B. 3.60
400
What structure prevents the movement of chyme from the stomach to the esophagus?
A. the larynx
B. the epiglottis
C. the pyloric sphincter
D. the cardiac sphincter
What is D. the cardiac sphincter
500
A cubic polynomial function f has zeros { −3, 0, 2} . Which restriction on the domain
of f will allow its inverse to be a function?
A. x > −3
B. x > 0
C. x < 0
D. x > 2
What is D. x > 2
500
An ambulance with its sirens on speeds towards you while you stand still. As the ambulance approaches (at constant velocity), you will hear a sound that
A. continuously decreases in pitch and intensity.
B. has a fixed pitch but increases in intensity.
C. has a fixed pitch but decreases in intensity.
D. continuously increases in pitch and intensity.
What is B. has a fixed pitch but increases in intensity.
500
The reaction occuring at the cathode is
A. Na^(+) + e− → Na
B. Sn^(2+) + 2e− → Sn
C. NO^(3−) + 4H+ + 3e− → NO (g) + 2H2O
D. 2NO^(3−) + 4H+ + 2e− → N2O4 (g) + 2H2O
What is C. NO3- + 4H+ + 3e− → NO (g) + 2H2O
500
In which of the following vessels is blood pressure the greatest?
A. aorta
B. iliac artery
C. pulmonary vein
D. anterior vena cava