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Compiled UPCAT Questions

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Copyright 2015 Review Masters -
The Compiled UPCAT Questions is a collection of UPCAT review questions
put together by former UP Proctors and Examiners throughout the years.

It is by no means a leakage its just a compilation based on the

feedbacks of students about the test. There is no guarantee that the same
questions will appear in the next UPCAT. However, studying these
questions will give you an idea of what the UPCAT contains and how to go
about it.

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Compiled UPCAT Questions / Volume 2

7. Which one of the following is not a physical

1. In a solution the substance that does the
dissolving is called ______. A. clothes drying in the dryer
B. making a cup of coffee
A. soluble C. chopping wood
B. the solute D. boiling an egg
C. the solvent
D. an ion 8. The chemicals after a chemical change
2. Water is a good solvent because ______.
A. have properties identical to the
A. Water is a good solvent because it is a chemicals before the change.
negatively charged ion. B. have properties different to the
B. Water is such a good solvent because it chemicals before the change.
repels most molecules. C. both A and B
C. Water is such a good solvent because it D. none of the above
is such a small molecule
D. Water is a good solvent due to its 9. Heptane is always composed of 84% carbon
polarity and small molecular size and 16% hydrogen by mass. What law does
this observation illustrate?
3. A solution that cannot hold any more solute
at room temperature would be ______. A. The Law of Multiple Proportions
B. The Law of Definite Proportions.
A. a dilute solution C. The Law of Conservation of Mass
B. a concentrated solution D. The Law of Conservation of Energy
C. a saturated solution
D. a supersaturated solution 10. Give the mass number for an atom that has
10 protons, 10 electrons, and 11 neutrons.
4. Ethanol dissolved in water would be an
example of ______. A. 31
B. 20
A. a solution between two miscible liquids C. 10
B. a solution between a solid and liquid D. 21
C. a suspension between two liquids
D. ethanol and water do not form a For Numbers 11 and 12, refer to the following
solution table:

5. To form a supersaturated solution requires Mass before the Mass after the
______. reaction (g) reaction (g)
W 6.0 0.0
A. reducing the amount of solute
Z 3.0 0.0
B. reducing the amount of solute
WZ 0.0 9.0
C. reducing the amount of solute
D. none of the above
11. How much of substance W will react with 9.0
6. Which one of the following is an example of g. of substance Z?
a physical change?
A. 9.0 g
A. iron rusting B. 12.0 g
B. a steak cooking C. 15.0 g
C. sugar dissolving in water D. 18.0 g
D. a candle burning

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Compiled UPCAT Questions / Volume 2

12. The amount of substance WZ that will be In 150 cm3 water, how much of the
produced from 12.0g of substance Z substance will dissolve at 75 C?
assuming that substance W is in excess is
A. 18 g
A. 22.5 g B. 20 g
B. 27.0 g C. 36 g
C. 31.5 g D. 40 g
D. 36.0 g
Questions 17 and 18 refer to the diagram that
13. Which conditions will increase the rate of follows.
chemical reaction? + -
A. decreased temperature and decreased + -
concentration of reactants
B. decreased temperature and increased
concentration of reactants Cl- Cl-
C. increased temperature and decreased Na
concentration of reactants?
D. increased temperature and increased ++

concentration of reactants? Cl-

14. When a lit match is touched to the wick of a water Cl -

candle, the candle begins to burn. When

the match is removed, the candle continues 17. After studying the illustration above, one
to burn. In this reaction, the match ______. may conclude that ______.

A. behaves as a catalyst. A. water molecules are attracted by the

B. supplies activation energy. electrodes
C. is part of the rate determining step. B. sodium chloride dissociates when
D. lowers the activation energy barrier. placed in water
C. chlorine ions are attracted to the
15. Compared to a glass of ice water with ice in negative electrode
it, a glass of plain ice-cold water without ice D. current flow cause an increase in water
on a warm day will warm up ______. temperature

A. faster 18. One may also conclude that ______.

B. slower
C. in the same amount of time A. only chlorine ions conduct current
D. none of the above B. the solution will not conduct current
C. the closed circuit illustrated results in
16. The solubility of a substance was neutrality
determined in 300 cm3 water at different D. when ions are present they are
temperatures and the following is part of the attracted to electrodes having opposite
graph obtained: electrical charges
For questions 19 and 20.

Jacques Charles was a French hot air

36 g
balloonist and scientist. He discovered Charles'
law by studying the relationship between the
volume and temperature of a gas at a constant
atmospheric pressure. As the temperature of
the gas in a balloon increased, its volume also
75 C T

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Compiled UPCAT Questions / Volume 2

increased. These increases inflated and lifted 21. Unless an object at rest is acted upon by a
the balloon. force, it stays at rest due to its ______.

In equation form, for the case of a constant A. matter

pressure: B. inertia
C. friction
V/T = constant D. gravity

19. If the volume of a gas at a certain pressure is 22. Maron rode on his bike from 9:00 am to
halved, ______. 10:30 am. If he drove at an average speed
of 15kph, what was the total distance he
A. its temperature is halved covered?
B. its temperature is doubled
C. its temperature remains constant A. 17.5 km
D. its temperature increases according to a B. 22.5 km
geometric progression C. 27.5 km
D. 32.5 km
20. Which of the following graphs shows the
temperature-volume relationship for a gas? 23. A woman exerts a constant horizontal force
(T = temperature and V = volume) on a large box. As a result, the box moves
across a horizontal floor at a constant
A. velocity. The constant force by the woman

A. has the same magnitude as the weight

of the box.
B. is greater than the weight of the box.
V C. has the same magnitude as the total
force which resists the motion of the box.
D. is greater than the total force which
B. T resists the motion of the box.

24. If the woman in question 23 suddenly stops

applying a horizontal force to the box, then
the box will ______.
A. immediately come to a stop.
B. continue moving at a constant speed
C. T for a while and then slow to a stop.
C. immediately start slowing to a stop.
D. continue at a constant speed.

25. The 0.20 kg block is attached to a spring

which has a spring constant of 20 N/m. The
V block is initially stretched 0.10 meters and
T released at time t = 0 seconds. Complete
D. the following statement: In order to increase
the frequency of the motion, one would
have to ______.

A. reduce the spring constant

V B. decrease the mass of the block on the
end of the spring
C. increase the length of the spring

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Compiled UPCAT Questions / Volume 2

D. reduce the distance that the spring is 29. Two students are posed to dive off equal
initially stretched height diving towers to a swimming pool
below. Student B is twice as massive as
For questions 26-27, choose your answers to student A. Which of the following is true?
the next three questions from the velocity-
time graphs below. A. Student B will reach the water sooner
than student A.
A. V B. Both students have the same
gravitational potential energy.
C. Both students will have the same kinetic
energy just before hitting the water.
D. Student B did twice as much work
climbing the tower
30. Which of the following cases is/are NOT a
uniformly accelerated motion?
B. V (1) A feather falls from a certain height
inside a vacuum tube.
(2) A ball rolls along a frictionless plane at
uniform speed.
(3) A coin falls from a certain height in air
but air resistance is negligible.
V A. (1) only
C. B. (2) only
C. (1) and (2) only
D. (2) and (3) only

For questions 31 and 32, refer to the

following diagrams.

D. V
B water
water water

T 31. From the illustration, one can conclude that

26. Which of the graphs shows a body moving
at constant speed? A. cube A has the least weight
B. cube C has the highest density
27. Which of the graphs shows a body moving C. cube A has the highest density
at high acceleration at the beginning then D. water has greater buoyant force than
starts to lose acceleration towards the end? cube A

28. The acceleration in a body is due to 32. Cube c sinks because ______.

A. balanced force A. it weighs much

B. unbalanced force B. it displaces much water
C. mass C. its weight is less than the weight of the
D. electrostatic force water it has displaced

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Compiled UPCAT Questions / Volume 2

D. its weight is greater than the weight of C. not at all

the water it has displaced D. about 49

33. In the figure that follows, what is the 38. Someone is wearing perfume on their wrist.
direction of the force exerted by the Why can people near them smell it?
A. the particles of perfume spread from an
area of higher concentration, their wrist,
to areas of lower concentration, the air
ladder B. people can smell the concentrated
perfume on the wrist, but it doesn't travel
through the air
C. some of the perfume leaves the wrist,
floor mixing with air particles
A. downward and toward the wall D. both A and B
B. downward and away from the wall E. both A and C
C. upward and toward the wall
D. upward and away from the wall 39. Your flashlight has three identical 1.5 volt
batteries in it, arranged in a chain to give a
34. A 200 N box is pushed up an incline that is total of 4.5 volts. Current passes first through
5.00 m long and rises 1.00 m. If the incline is battery (a), then through battery (b), then
frictionless, then the work done by the through battery (c), on its way to the bulb.
pushing force is ______. When you operate the flashlight, the
batteries provide power to the current and
A. 336 J they gradually use up their chemical
B. 305 J potential energy. Which battery will run out
C. 275 J of chemical potential energy first?
D. 200 J
A. All three will run out at the same time.
35. A 2000 kg car accelerates from rest to a B. Battery (a) will run out first.
velocity of 20 m/s in 10 seconds. The power C. Battery (b) will run out first.
of the engine during this acceleration is D. Battery (c) will run out first.
40. The figure shows a
A. 200 kW radiation heater. What
B. 20,000 kW heat transfer processes
C. 4000 W are involved at positions
D. 40 kW E and F?

36. A gem or mineral that is red absorbs ______. A. E is radiation and F is conduction.
B. E is conduction and F is convection.
A. red light C. E is convection and F is conduction.
B. mostly red light D. E is radiation and F is convection.
C. most wavelength of the visible spectrum
except red 41. An astronaut picks up a stone on the moon
D. more of the visible spectrum than a gem and finds its mass to be 2 kg. If the mass of
or mineral that is violet the earth is 6 times more than the mass of
the moon, what will the mass and the
37. When viewed straight down (90 to the weight of the stone be on the earth?
surface), an incident light ray moving from
the water to air is refracted ______. A. 2kg 12N
B. 2kg 20N
A. away from the normal C. 12kg 120N
B. toward the normal D. 20kg 200N

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Compiled UPCAT Questions / Volume 2

47. An upright stick that is allowed to cast a

42. Water is boiled in a flask with a balloon over shadow in sunlight is called ______.
the top. As the water heats, the balloon
expands. What has happened to the weight A. Almagest
of this flask and balloon in this experiment? B. Primum mobile
C. Equinox
A. It has increased as the balloon expands. D. gnomon
B. It has decreased as the water boiled
away. 48. A solar or lunar eclipse will occur ______.
C. It has stayed the same.
D. It is unpredictable because the balloon A. when the sun is near the line of nodes of
is flexible. the moon and the moon is new or full
B. any time the moon is new or full
43. A student wishes to find the density of an C. when the sun is near the solstice and the
irregular piece of rock. How will she find moon is new or full
volume? D. half way through an eclipse year
E. when the sun is near the equinox and
A. length x width x height the moon is new or full
B. place it on a triple beam balance
C. put it in a beaker 49. How much time should it take for a traveling
D. use water displacement bullet to hit the ground compared to a
bullet dropped from rest? Assume the
44. A barge filled with scrap iron is in a canal ground remains flat for the entire distance
lock. If the barge were to sink what would the bullet may travel.
happen to the water level?
A. The traveling bullet will take longer to hit
A. It would fall. the ground than the bullet dropped
B. It would remain unchanged. from rest
C. It would rise. B. The traveling bullet will hit the ground at
D. It would depend on its mass. the same time as the bullet dropped
from rest
45. Suppose you have a pendulum clock which C. The traveling bullet will hit the ground
keeps correct time on Earth (acceleration before the bullet dropped from rest
due to gravity = 9.8 m/s2). Without changing D. The traveling bullet moves so fast that it
the clock, you take it to the Moon will never hit the ground
(acceleration due to gravity = 1.6 m/s2). For
every hour interval (on Earth) the Moon 50. Bart placed four identical candles on a
clock will record ______. table and lit them. He covered the first
candle with a big jar, the second with a
A. (9.8/1.6) h medium-sized jar, and the third with a small
B. 1h jar. He left the last candle uncovered. Which
C. SQRT(9.8 / 1.6) h candle probably took the longest time to
D. (1.6/9.8) h burn?
E. SQRT(1.6 / 9.8) h
A. the lit candle left uncovered
46. As a star exhausts hydrogen in its core, it B. the lit candle covered with the biggest
______. jar
C. the lit candle covered with the smallest
A. becomes hotter and more luminous jar
B. becomes cooler and more luminous D. the lit candle covered with the medium-
C. becomes hotter and less luminous sized jar
D. becomes cooler and less luminous

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Compiled UPCAT Questions / Volume 2

51. Which of the following is not considered a

simple machine? For questions 54-60, refer to the following graph.
A substance is heated by a source
A. wedge supplying 1000 calories per minute.
B. pulley
C. lever
D. wheelbarrow 40

For questions 52-53. Temperature30

Number of OFWs in four countries: 20

Number of OFW's (x1000) 0
Year Hongkong Kuwait Italy USA
0 2 4 6 8 10 12 14 16 18 20 22
1995 116 20 19 39 Minutes
1996 120 33 22 50 54. The freezing point of this substance is ______.
1997 109 31 25 43
1998 109 30 20 42 A. 0C
1999 111 31 18 61 B. 10C
2000 120 25 19 55 C. 20C
2001 123 32 30 52 D. 30C
2002 122 39 32 60
55. The boiling point of the substance is ______.
2003 115 24 16 72
2004 102 47 19
12 71 A. 10C
B. 20C
52. Which country shows the greatest rate of C. 30C
increase over the years? D. 40C

A. Hongkong 56. The substance undergoes a phase change

B. Kuwait between the ______.
C. Italy
D. USA A. 4th and 6th minutes
B. 6th and 14th minutes
53. The graph below shows the number of C. 14th and 18th minutes
OFWs in which country? D. 16th and 22nd minutes

57. How many calories are needed to

completely melt the sample at its melting
Number point?
A. 500
B. 1000
C. 2000
D. 3000

1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
58. How long did it take for the substance to
completely turn into gas?

A. Hongkong A. 4 min.
B. Kuwait B. 6 min.
C. Italy C. 10 min.
D. USA D. 16 min.

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Compiled UPCAT Questions / Volume 2

59. The substance is solid at ______. 65. Marinades for meat commonly include
acids such as vinegar or wine, because the
A. 2 min. acids can ______.
B. 5 min.
C. 10 min. A. toughen meat
D. 18 min. B. tenderize meat
C. preserve meat
60. How many calories are needed to D. react with salt
completely change the sample into a
liquid? 66. The basic requirement for the separation of
the components by _______ is that the
A. 4000 composition of the vapor be different from
B. 6000 the composition of the liquid at the boiling
C. 14 000 point of the liquid.
D. 16 000
A. absorption
61. What factor distinguishes a suspension from B. distillation
a colloid? C. extraction
D. crystallization
A. light reflects off the particles of a
suspension 67. Taken by itself, the fact that 8.0 g of oxygen
B. the particles of a suspension will sink out and 1.0 g of hydrogen combine to give 9.0
if left over time to rest of water demonstrates what natural law?
C. suspensions are clear
D. suspensions cannot be filtered A. Multiple Proportions
B. Periodicity
62. Lorna placed 1 kg of sandy soil and 1 kg C. Conservation of Mass
clay soil into Pot A and Pot B respectively. D. The Atomic Theory
She then poured equal volumes of water
into each pot. After a day, it is expected 68. What are the coefficients that will balance
that ______. the formula equation below?
AlCl3 + NaOH Al(OH)3 + NaCl
A. Pot A will weigh more than Pot B
B. Pot B will weigh more than Pot A A. 1, 3, 1, 3
C. Pot A and Pot B will weigh the same B. 3, 1, 3, 1
D. Pot A will be wet and Pot B will be dry C. 1, 1, 1, 3
D. 1, 3, 3, 1
63. Hydrogen and oxygen molecules in a gas
sample have the same temperature. This 69. A hydrocarbon that contains one or more
means the hydrogen molecules, on the double bonds is classified as a(n) ______.
average, have the same ______.
A. alkyne
A. speed, but more kinetic energy. B. alkene
B. kinetic energy, but more speed. C. ketone
C. kinetic energy, but less speed. D. alkane
D. speed and the same kinetic energy.
70. When heat is absorbed by the system from
64. Acids are substances that ______. the surroundings, the process is said to be
______, and the sign of process is ______.
A. form hydronium ions when dissolved in
water A. exothermic, negative
B. turn red litmus paper blue B. endothermic, positive
C. make foods taste bitter C. exothermic, positive
D. react with neutral liquids to form bases D. endothermic, negative

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Compiled UPCAT Questions / Volume 2

75. The kinetic energy of the pendulum is

71. Which of the following did not help Darwin highest at position(s) ______.
formulate his theory of evolution?
A. C
A. fossil evidence that species had B. B and D
changed over time C. A and E
B. closely related species on oceanic D. A, C and E
C. belief that the earth was several 76. Speed is minimum at position(s) ______.
thousand years old
D. evidence of artificial selection in A. C
domestic animals B. B and D
C. A and E
72. Which of the following pairs are analogous D. A, C and E
77. The sexually-transmitted disease gonorrhea
A. the front leg of a horse and a human is becoming difficult to treat because the
arm causative bacteria are evolving resistance
B. the front leg of a frog and a bat wing to antibiotics. For example, in Hawaii
C. the wing of a bird and a bat wing between 1997 and 1999 resistance to
D. the front flipper of a porpoise and a fluoroquinolones increased from 1.4 percent
human arm to 9.5 percent. Scientists attribute this to
natural selection. What does natural
73. Of the following biological levels of selection mean in this context?
organization, which represents the smallest
or lowest level? A. The germs have learned to avoid that
particular class of antibiotic.
A. organs B. The antibiotic has changed the genetic
B. organisms structure of the germs allowing them to
C. cells become antibiotic-resistant.
D. tissues C. The germs changed their genetic code
in order to avoid problems with the
74. Which of the following is not a property of antibiotic.
life? D. The antibiotic created an environment in
which germs harboring antibiotic-
A. molding or adapting to one's resistant genes could flourish.
environment E. The mutation rate for antibiotic-
B. regulating materials that enter or leave resistance increased during the time
the system period.
C. responding to stimuli
D. reproducing, passing hereditary material 78. A slippery outer covering in some bacteria
to the next generation that protects them from phagocytosis by
host cells is ______.
For questions 75 and 76. Five positions of a
swinging pendulum are shown in the A. capsule
following diagram. A and E are the highest B. cell wall
C. flagellum
positions attained by the pendulum; the
D. peptidoglycan
lowest is C.



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Compiled UPCAT Questions / Volume 2

79. Differences between eukaryotic and C. C

prokaryotic cells include all of the following D. D
except ______.
83. At which point is the car accelerating
A. eukaryotic cells have mitochondria rapidly?
B. eukaryotic cells have cilia and flagella
with complex structure A. A
C. prokaryotic cells have more complex B. B
cell walls C. C
D. prokaryotic cells have no genetic D. D
84. In a plant, what part stores sugars as starch?
80. The optimum temperature for an organism is
the one at which ______. A. leaves
B. roots
A. it grows with the shortest generation time C. seeds
B. it has the longest time between cell D. all of the above
C. it is near one extreme of its range of 85. ADP energy is used for _______.
tolerated temperatures
D. its enzymes begin to denature A. synthetic reactions
B. active transport
81. In the illustration below, A and B are liquids C. all energy-requiring processes in cells
while C is a solid. Which of the following is D. none of the above
86. The cytoskeleton of the cell functions to
C A. give the cell shape
B B. anchor organelles
C. allow organelles to move
D. all of the above.
A. C is denser than both A and B.
B. C is less than B but denser than A. 87. A red blood cell plasma membrane
C. C is less dense than A but denser than B. contains _______ different types of proteins.
D. C has just about the same density as
both A and B. A. over 10
B. over 20
For questions 82 and 83, examine the following C. over 40
graph of the movement of car. D. over 50

C 88. During ______, the chromosomes attach to

the spindle and align at the metaphase
plate of the spindle.
velocity A. prophase
A B. prometaphase
C. metaphase
time D. anaphase

82. At which point is the car decelerating?

A. A
B. B

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Compiled UPCAT Questions / Volume 2

89. In the diagram, assume that each container 92. Which of the velocity-time graphs in the
contain equal volumes of water. In what figure represents an object falling freely in a
container is the pressure at the bottom vacuum? (v = velocity, t = time)


A B C t

A. A v
B. B
C. C B.
D. The pressure is the same in each
container t
90. At which point on the door will you apply
the greatest force to close it? v


A B C D t

A. A D.
B. B
C. C
D. D

91. Graphs of distance (d) or velocity (v) of a 93. In the following illustration, if the pendulum
body against time (t) are shown. Which one was swinging in the direction indicated by
shows that of a body is at rest? the arrow when its string was suddenly cut,
in what direction did the pendulum go?






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Compiled UPCAT Questions / Volume 2

94. In a river, if the water flows in the direction 99. The vertebrate skeleton _______.
indicated by the arrows in the illustration
below, at which point is the flow fastest? A. is a living tissue which grows with the
B. protects internal organs.
C. serves as a place of attachment for
A muscles.
D. all of the above
100. Protoplasts are cells without _______.

A. A A. a nucleus.
B. B B. a membrane.
C. C C. a wall.
D. D D. cytoplasm.

95. If two flies heterozygous for wing length and

body color are crossed, which of the
following are possible results?

A. chance of L, long wings = 3/4

B. chance of l, short wings = 1/2
C. chance of G, grey body = 1/4
D. all of the above are true

96. A cross in which true-breeding plants differ

in two traits is known as a _______ cross.

A. test
B. dihybrid
C. multi trait
D. hybrid

97. Which is narrower?

A. fundamental niche of an organism

B. realized niche of an organism
C. habitat of an organism
D. all are the same

98. _______ are protozoa with no means of


A. Amoeboids
B. Ciliates
C. Zooflagellates
D. Sporozoa

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Compiled UPCAT Questions / Volume 2


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