d

1. 101. Change the follow ing percentsto decimals: 23%, 5%, 3%, 3.5%
a. 023, 5.00, 3.0, 03.5 c. 2.3, 500, .30. 30.5
b. 23, .05, .003, .035 d. .23. 50, 30, 3.05
102. What is the cube root of ( 32
x 3)?
a. 3 b. 27 c. 3x3 d. 9
103. A number w hich is divisible only by itself and 1 is called prime. Which of the follow ing are prime?
I. 9, II. 13, III. 113, IV. 121
a. I and II only c. all are prime
b. II, III and IV only d. II and III only
104. Which of the follow ing is the numerical form for “twenty”?
a. 20,000,20 b. 2,020 c. 20,020 d. 2,000,020
105. The entry of data and commands into the computer systemis made possible through the:
a. Keyboard b. Monitor c. Printer d. Diskette
106. Which of the follow ing gives the sum of the polynomials (a2
+ b2
+ ab) and (3a2
+ 4ab2
–2b2
)?
a. 5a2
+ 5b2
+ 5ab c. 4a2
+ 5ab – b2
b. 3a2
+ 5ab – 2b2
d. 4a2
+ b2
+ 5ab
107. To find the perimeter (P) of a length of 16 inches and a w idth of 12 inches, w hich of the following equations can be used?
a. P=(16)+(12) c. P=2(16)(12)
b. P=2(16+12) d. P=2(16)+(12)
108. Express the integer 50 as a percent.
a. 5% b. 500% c. 50% d. 5000%
109. A cube is a rectangular solid, the length, w idth, and height of w hich have the same measure called the edge (e) of the cube. The
volume of a cube is found by ‘cubing’ the measure of the edge. What is the volume of a cube w hose edge is 4 cm.?
a. 64 cm3
b. 127 cm3
c. 27 cm3
d. 206 cm3
110. The final grades and corresponding credits earned by a college student are given below . What is her grade point average for the
term if: Grade A=4; Grade B =3; Grade C = 2; Grade D =1?
Subject Credit Grades
English 5 A
Mathematics 3 C
Social Science 3 B
Foreign Language 2 D
PE 2 B
A. 2.00 B. 3.25 C. 2.87 D. 3.5
111. Why is 1/5 called a unit fraction?
a. The number 5 is the denominator
b. Unit fractions have 1 as the numerator
c. The unit is less than one
d. It is betw een 0 and 1, the basic unit
112. List fractions 1, 2 and 3 from LEAST to GREATES
9 15 12
1 3 2 2 3 1
a. --, ---, --- b. --- ,---, --
9 21 15 15 21 9
1 2 3 3 1 2
c. --, ---, -- d. ---, --, ---
9 15 21 21 9 15
113. How many tw enty thousands are there in one million?
a. 100 b. 500 c. 50 d. 1000
114. The amount of simple interest denoted by “I” paid by the bank on a savings account, uses which of these formulas?
a. I = Principal invested x annual rate of interest
b. I = Principal invested x annual rate of interest x months
c. I = Principal invested x annual rate of interest x years x months
d. I = Principal invested x annual rate of interest x years
115. The arithmetic of a set of 50 numbers is 38. If tw o numbers 45 and 55 are discared, the mean of the remaining set of members is:

2. a. 37.2 b. 37.5 c. 36.5 d. 37.0
116. What is the range of the follow ing: 86,70,83,90,85,78,79,81,87.
a. 16 b. 20 c. 12 d. 15
117. In figure below , a square and a circle interest. If N is the center of the circle, w hat percent of the circle remains unshaded? (Consider
360 degrees in circle)
a. 50% b. 25% c. 45% d. 30%
118. If each of the five members in a basketball team shakes hand w ith every other member of the team before the game starts, how
many handshakes w illthere be in all?
a. 10 b. 6 c. 8 d. 9
119. In the figure below , MNOP is a parallelogram. Given the measurements, find (A) and perimeter (P) of the figure.
a. A=18 sq. in. P= 18 inches
b. A=18 sq. in. P= 20 inches
c. A=22 sq. in. P= 27 inches
d. A=24 sq. in. P= 20 inches
120. If 4a=b,then a is equal to:
1 b
a. --- b. 4b c. 4 + b d. ---
4b 4
121. Which of the follow ing statements is TRUE of nuclear fission?
a. The energy process is identicalto the w hich occursin the sun
b. Energy is obtain by getting nucleus of the atoms to breakup or split
c. Scientists can combine lighter atoms to formheavier atoms
d. Matter fromthe lighter atoms is changed immersed in a fluid is due to:
122. Apparently, the loss of w eight of objects immersed in a fluid is due to:
a. Archemedes principle c. buoyant force
b. specific gravity d. New ton’s theory
123. When lighted, the energy of the alcohol in a lamp is:
a. Completely destroyed
b. Transformed fromchemicalenergy
c. Lost w hile heating is done
d. Transformed fromchemical to heat energy
124. Tw o glass tumblers that are stuckone inside the other may be loosened by:
a. Pouring hot w ater on the outside tumbler after filling the inside tumbler w ith cold w ater
b. Pouring hot w ater on the outside tumbler after the inside tumbler w ith equally hot w ater
c. Pouring cold w ater on the outside tumbler after filling the inside tumbler w ith equally cold w ater
d. Pouring cold w ater on the outside tumbler after filling the inside tumbler w ith hot w ater
125. All of the follow ing statements about the routinary use of pesticides are TRUE, Except:
a. Pesticides tend to become progressively less effective as the organisms become immune
b. It results in the evolutions of exiting new types of organisms
c. It may not only kill the insects but also those that feed on them
d. Due to the w idespread use of DDT, a new type of houseflyemerged
126. If a doctor describes a patient as dehydrated, he means that the patient:
a. Needs insulin c. has lost a great deal of w ater
b. needs oxygen d. has a contagious disease
127. Which of the follow ing causes the seasons?
a. The distance of the Earth fromthe Sun
b. The rotation of the Sun about the Earth
c. The rotation of the Earth about the Sun
d. The tilting of the earth on its axis
128. To achieve ecologicalbalance, w hich of the following sets of components about an aquarium contain?
a. w ater, plants c. w ater, fish
b. w ater, snail, plants, fish d. w ater, snail, fish

3. 129. Which of the follow ing statements best explains w hycopper is the most w idely used in electricalw iring?
a. It is a better conductor than aluminum and cheaper than silver
b. It is the best conductor of electricity
c. It is cheaper than aluminum
d. It has high resistance to electricity
130. Radium w as discovered by:
a. Joseph John Thomston c. Pierre and Marie Curie
b. Albert Einstein d. Albrecht Van Haller
131. Aboard the space shuttle, astronauts strap themselves to a w allor bunk w hen they sleep. This is because during a change of
shuttle velocity an unstrapped sleeping astronaut w ould likely slump into the shuttle w alland be injured. These astronauts have to
be strapped dow n because:
a. They are unable to sleep w hile floating free in space
b. Gravity is w eakto have them remain in bed
c. Their bodies have inertia
d. Their body functions have to be constantly monitored
132. Which of the follow ing Statement(s) is/are TRUE?
I. Water in a cup and w ater in a pot at 1200 C have molecules
II. It takes more burning of fuelto produce a potfulof boiling w ater than to produce a cupful
III. The unit used in measuring the quantity of heat is the calorie
IV. A potfulof w ater has a greater number of active molicules than does a cupfulof w ater.
a. III and IV only c. All of these statements
b. I and II only d. None of these statements
133. Tw o items of similar and w eights are dropped simultaneously froma ten-storey building. Which of the follow ing statements is
corrects is correct about the falling rate of the object?
a. The w eight of the object has no effect on the falling rate
b. The shape of the objects has a minor effect on the falling rate
c. The resistance of the air has no effect on the failing rate
d. The distance of the fall has an effect on the falling rate
134. An atom or a group of atoms w hich has an excess/deficiencyof electronsis called?
a. iron b. proton c. molecules d. electron
135. Which of the follow ing statements about atomic structure is NOT right?
a. Atoms are mostly empty space
b. Allatoms of the same atomic numbers are atoms of the same element
c. Most of the mass of the atom is concentrated in its nucleus
d. An atom can gain or lose electrons w ithout changing its charge
136. Which of the follow ing is closest to normal body temperature?
a. 50 degrees C c. 37 degrees C
b. 32 degrees F d. 212 degrees F
137. Symbiosis is defined by biologists as individuals of different species living together in intimate association, regardless of whether the
association is harmful, neutral, or beneficial. Allof the follow ing pairs are examples of symbiosis EXCEPT:
a. cats and mice c. humans and tapew orms
b. dogs and fleas d. ants and aphids
138. In w hat state are most matter in the universe?
a. Plasma b. Liquid c. Gas d. Solid
139. The first Filipina w ho w asdeclared as a nationalscientist w ho has contribute mush in discovering to a plants that can be used as
medicine.
a. Dr. Pacifico Macos c. Dr. Eliseo Kintanar
b. Dr. Henry Moseley d. Dr. Alfredo C. Santos
140. A change in the composition of a substance of a substance resulting in the formation of a new substance is called.
a. mechanical change c. physicalchange
b. chemical change d. nuclear change
141. A British physician and bacteriologist, Sir Ronald Ross w as awarded the NobelPrize in medicine for his researches in the.
a. transmission of malaria c. prevention of hepatitis
b. liquid fuelrocket d. controlof cholera
142. The history of the earth has been divided by scientists into eras. Which of the follow ing showsthe arrangement of these eras into the
proper sequence fromthe oldest to the most recent?

4. a. Precambrian, Paleozoic, Mesozoic, Cenozoic
b. Cenozoic, Mesozoic, Paleozoic, Precambrian
c. Precambrian, Mesozoic, cenozoic, Paleozoic
d. Paleozoic, cenozoic, Precambrian, Mesozoic
143. Which of the follow ing audio-visualsets of equipment can best project visual materials in a classroomthat is difficult to darken?
a. Filmstrips c. Opaque projector
b. Overhead project d. Color materials
144. When w ater evaporates, it changes into w hich of the following states?
a. Liquid b. Matter c. Solid d. Gaseous
145. A group of students tried to find out how volume w ould affect the mass and density of a piece of metal. The data are show n on the
table below :
Trial Volume(cm) Mass(g) Density(g/cm
1 10 15 1.5
2 40 60 1.5
3 5 1.5 1.5
4 160 240 1.5
Based on the trials made, w hich among the follow ing conclusions can be formulated?
I. Density of a material on constant
II. Mass is inversely proportionalto volume
III. Volume is directly proportionalto mass
IV. Density is dependent on mass and volume
a. I and II b. I and III c. III and IV d. I and IV
146. Which of the follow ing forms of energy travelsin w aves?
a. Mechanical energy c. Sound energy
b. Electrical energy d. Chemical energy
147. Fossils are most likely to be found in:
a. Sedimentary rocks c. Ocean floor
b. Igneous rocks d. Metamorphic rocks
148. When the Sun, Earth and Moon are arranged as show n in the figure below , what phenomenon is likely to occur?
a. Earthquake c. Lunar eclipse
b. Solar eclipse d. Neap tide
149. A soda-acid type fire extinguisher is recommended for putting out fires w hich involve burning:
a. insulation on w ires c. fats or vegetable oil
b. dry chemical d. painted w oodwork
150. The skull of a increases in size rapidly during:
a. adolescence c. puberty
b. adulthood d. babyhood