5
2 0 1 4 – S e t
D C A T
B
SECTION 5: SCIENCE PROFICIENCY
NAME: ____________________________
Time -– 25 minutes
SCHOOL: _________________________
50 Questions (181 – 230)
SIMULATED EXAM – SET B
5
For each item, decide which the best answer choice is, and darken the corresponding circle on the answer sheet.
181. Assume that an Rh- mother has given birth to an
184. In which of the following vessels does most of
Rh+ baby and was not given RhoGAM. When
the exchange of nutrients and waste products
might hemolytic disease of the newborn occur?
between the blood and body tissues happens?
A. Hemolytic disease of the newborn will never
A. arteries
B.
occur
B.
At the birth of the first Rh- baby
C. veins
D. lymphatic vessels
C. All pregnancies will show hemolytic disease
E.
D. During development of the next Rh+ baby
E.
Hemolytic disease will never occur to an Rh+
binding sites for muscular contraction?
A. actin
182. In a certain characteristic of garden peas, tall is
B.
dominant over short. If two heterozygous plants
crossed,
what
percentage
of
the
D. troponin
E.
A. 0%
25%
of food?
D. 75%
A. Absorption
100%
B.
D. Peristalsis
blood group?
E.
A. Type A blood has Type A antigen and Type B
antibody.
Segmentation
187. Which organelle is found in animal cells but not
Type A blood has Type B antigen and Type B
in plant cells?
antibody.
A. ribosomes
C. Type A blood has Type A antigen and Type B,
B.
O antibodies.
mitochondria
C. nuclei
D. Type A blood has Type B, O antigens and
D. plastids
Type A antibody.
E.
Digestion
C. Mastication
183. Which among the following is TRUE in the ABO
B.
ATP
186. What process involves the enzymatic breakdown
C. 50%
E.
myosin
C. calcium
next
generation will be homozygous dominant?
B.
renal tubules
185. Which substance is released in order to expose
baby from Rh- mother is normal.
are
capillaries
E.
Type A blood has both Type A antigens and
centrioles
antibody.
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188. After telophase II of meiosis, the chromosomal
B
5
192. DNA is to _____ as proteins is to _____ .
makeup of each daughter cell is _____.
A. nucleus . . . amino acid
A. diploid, and the chromosomes are each
B.
B.
nucleotides . . . amino acid
composed of a single chromatid.
C. nitrogenous bases . . . peptide
diploid, and the chromosomes are each
D. nucleus . . . peptide
composed of two chromatids.
E.
RNA . . . genotype
C. haploid, and the chromosomes are each
composed of a single chromatid.
193. In a particular plant, leaf color is controlled by
D. haploid, and the chromosomes are each
E.
gene locus D. Plants with at least one allele D
composed of two chromatids.
have dark green leaves, and plants with the
haploid, and the chromosomes are each
homozygous recessive dd genotype have light
composed of half of the chromatid
green leaves. A true-breeding dark-leaved plant
is crossed with a light-leaved one, and the F1
189. What
is
the
important
animal
hormone
offspring
is
allowed
to
self-pollinate.
The
responsible for the control of metabolic functions
predicted outcome of F2 is diagrammed in the
in the blood particularly for iodine synthesis?
Punnett square shown in the figure below where
A. thyroxine
1,
B.
corresponding to each box within the square.
cortisol
2,
3,
and
4
represent
the
genotypes
C. prostaglandin
D
d
D
1
2
d
3
4
D. insulin
E.
parathormone
190. What phylum is commonly known as round
worms?
Which of the boxes marked 1-4 correspond to
A. Mollusca
B.
plants with homozygous genes?
Echinodermata
A. 1 and 2
C. Platyhelminthes
B.
D. Nematoda
E.
C. 3 and 4
Porifera
D. 1 and 4
E.
191. A sexually reproducing animal has two unlinked
genes, one for head shape (H) and one for tail
functioning together make up organs. Which of
following parent genotypes is a possible gamete
the following is composed of different organs?
to form this organism?
A. organelles
A. Hhtt x hhtt
B.
HhTT x HHTT
D. organisms
D. HHTT x HHTt
E.
hhTt x hhtt
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organ membranes
C. organ system
C. HhTt x HhTt
E.
2, 3 and 4
194. Tissues are composed of cells, and tissues
length (T). Its genotype is HhTt. Which of the
B.
2 and 3
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195. Which part of the flower will develop into seeds?
B
5
200. Two hundred milliliters of water is mixed with
A. stigma
720 grams of HCl. What is the molarity of the
B.
solution if the density of water is 1.00 grams per
stamen
C. ovary
milliliter? (Cl= 35 amu, H=1 amu)
D. ovule
A. 100 M
E.
B.
anther
0.278 M
C. 0.1 M
196. Matter consists of _____.
D. 129.6 M
A. atom
B.
E.
20 M
molecule
C. cell
201. Consider the following reaction:
D. organelle
E.
AlCl3 + Ca(OH)2  Al(OH)3 + CaCl2
tissue
How many moles of aluminum hydroxide is
produced when 10 moles of aluminum chloride is
197. Matter is defined as anything that has _____.
reacted to 12 moles of calcium hydroxide?
A. mass and shape
A. 10 moles
B.
B.
mass and density
8 moles
C. mass only
C. 20 moles
D. mass and volume
D. 12 moles
E.
E.
volume and energy
198. If 25 mL of water at 40C is added to 100 mL of
water
at
50C,
what
would
be
the
4 moles
202. What are the representative elements in the
final
periodic table?
temperature of the mixture?
A. Elements that belong to IIIB to IIB.
A. 56C
B.
B.
48C
Elements that have last sublevel configuration
of s or p.
C. 42C
C. Elements that have f sublevel configuration.
D. 44C
D. Elements that belong to IA-VIIIA and IIIB to
E.
88C
IIB.
E.
199. Thirty liters of gas X at 100 K under 2 atm was
Elements that have sublevel configuration of
s, p, d and f blocks
transferred to a certain container where the
temperature is doubled and the pressure is
203. Which of the following is a double displacement
increased by 4 atm. What is the mass of the gas
reaction?
if its density at the new container is 0.01 g/L?
A. 2HCl + Mg  MgCl2 + H2
A. 20 g
B.
B.
C. NaOH + HCl  NaCl + H2O
10 g
2AlPO4+ 3Ca  Ca3(PO4)2+ 2Al
C. 0.2 g
D. 2KClO3  2KCl + 3O2
D. 0.05 g
E.
E.
CH4 + 2O2  CO2 + 2H2O
2000 g
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204. How much water must be added to 300 mL of
B
208. Given the following:
0.75 M HCl to dilute the solution to 0.25 M HCl
I.
solution?
II.
A. 100 mL
B.
III.
300 mL
C. 600 mL
IV.
D. 900 mL
V.
E.
1200 mL
Which of the following pairs of element is an
205. Copper has two isotopes,
63Cu
and
65 Cu.
isotope?
If the
A. I and II
atomic mass of copper is 63.5 g/mol, what is the
B.
% of each isotope?
A. 25.0%
63Cu
and 75.0%
65Cu
B.
33.0%
63Cu
and 67.0%
65Cu
C. 50.0%
63Cu
and 50.0%
65Cu
D. 67.0%
63Cu
and 33.0%
65Cu
E.
63Cu
and 25.0%
65Cu
75.0%
D. III and IV
E.
A. 7 protons and 3 electrons
B.
D. 10 protons and 7 electrons
E.
A. 2
4
4 protons and 7 electrons
210. Which of the following equations is not balanced
C. 6
correctly?
D. 7
A. P4 +3O2 -->P4O6
8
B.
E.
grams of oxygen react to form water?
⃗⃗⃗⃗⃗⃗⃗⃗⃗⃗⃗⃗⃗⃗⃗⃗⃗⃗⃗⃗⃗⃗⃗
 2KCl + 3O2
D. 2KClO3
chemical reaction if 4 grams of hydrogen and 32
2H2 + O2
3CuCl2 + V2O3  3CuO + 2VCl3
C. Cu(NO3)2 -->CuO + 2NO2 +O2
207. What is the limiting reagent for the following
2H2O
2Al2O3 +3C+6Cl2 -->4AlCl3 +3CO2
211. Which of the following is a definition of a base?
A. hydrogen
A. It is a proton donor.
oxygen
B.
C. water
It turns blue litmus paper to red.
C. It is usually formed when a metal oxide
D. this reaction has no limiting reagent
E.
7 protons and 4 electrons
C. 7 protons and 10 electrons
C4H6 + O2  XCO2 + H2O
B.
IV and V
209. A nitride ion N3- (Z=7) has _____.
equation would be balanced?
E.
I and III
C. II and III
206. What is the value of X in the reaction below if the
B.
5
reacts with water.
electricity
D. Its pOH is above 7.
E.
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It is an electron pair acceptor.
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212. The periodic trend that refers to the ability of an
atom
to
attract
electrons
during
B
216. A vector quantity has magnitude and direction.
chemical
Which of the following is a vector quantity?
bonding is _____.
A. speed
A. electronegativity
B.
B.
C. work
electron affinity
gravitational pull
C. atomic radius
D. distance
D. ionization energy
E.
E.
5
temperature
radioactivity
217. Given
213. A graduated cylinder has a mass of 80.0 g when
Vector A = 15 units, west
empty. When 20.0 mL of water is added, the
Vector B = 8 units, north
graduated cylinder has a mass of 100. g. If a
stone is added to the graduated cylinder, the
Find the magnitude of the resultant vector.
water level rises to 45.0 mL and the total mass is
A. 7 units
now 156 g. What is the density of the stone?
B.
A. 2.24 g/mL
C. 23 units
B.
D. 24 units
3.47 g/mL
C. 1.56 g/mL
E.
17 units
25 units
D. 2.60 g/mL
E.
218. A ball was thrown vertically upward with a speed
7.80 g/mL
of 5 m/s. When the ball went back to where it
214. Which of the following is an expected property of
was thrown, what was its displacement?
sugar (C6H12O6)?
A. 10 meters
A. It does not turn to black when heated.
B.
B.
C. zero
It has melting point greater than 100C.
5 meters, upward
C. It is insoluble in water at 35C.
D. 5 meters, downward
D. Chemical change occurs when it is heated at
E.
half a meter
80C.
E.
219. A projectile is launched at a certain angle with
It can be filtered when dissolved in alcohol.
the ground at a speed of 20 meters per second.
215. An atom has 7 electrons in its outer shell. How
Neglecting air resistance, what is the speed of
many unpaired electrons does it have?
the projectile when it hits the ground?
A. 0
A. 9.8 meters per second
B.
B.
1
10 meters per second
C. 2
C. zero
D. 4
D. 20 meters per second
E.
E.
6
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220. If acceleration is the rate of change in velocity,
224. Which
of
B
the
5
following
describes
electrical
what is the rate of change in position?
current?
A. Velocity
A. the electric potential difference between two
B.
Distance
points in a circuit
C. Force
B.
D. Displacement
C. the flow of protons through a material
E.
D. the movement of voltage
Speed
E.
221. A golf ball, initially resting on the tee, was hit by
the flow of electric charge through a material
the movement of electric field through a
conductor
a club. Where in its path, did the golf ball have
maximum kinetic energy?
225. Refer to the circuit below. What would be the
A. Just right after it was hit by the club
B.
reading in the ammeter?
A few seconds after it was hit by the club
C. On the way up
D. On the way down
E.
3.0 v
At the highest point
1.5 Ω
1.5 Ω
A
222. Two objects, X and Y, are being pulled at the
same speed. Object X weighs 500 kg and object
A. 3.0 amperes
Y weighs 2000 kg. What is the ratio of the kinetic
B.
energy of object Y to the kinetic energy of object
C. 4.5 amperes
X?
D. 4.0 amperes
A. 1:1
E.
B.
1.5 amperes
1.0 ampere
2:1
C. 4:1
226. What power is supplied to the starter motor of a
D. 9:1
car that draws 240 amperes of current from a
E.
12-volt battery?
16:1
A. 2.0  101 watts
223. A 50-kilogram girl lifts a 1-kilogram object
B.
5.4  103 watts
vertically upward to a height of 0.5 meters. How
C. 3.5  103 watts
much work is done by the girl in lifting the
D. 6.0  101 watts
object?
E.
4.5  103 watts
A. 5 joules
B.
50 joules
227. A wave that moves from left to right, creating an
C. 250 joules
up and down displacement of the medium, is a
D. 10 joules
A. longitudinal wave.
E.
B.
500 joules
transverse wave.
C. mechanical wave.
D. electromagnetic wave.
E.
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sound wave.
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228. Refer to the figure below. A ray of light passes
230. In
B
uniform
5
circular
motion,
what
is
the
through three different media. Which of the
relationship between acceleration and velocity?
following is correct about the speed of the light
A. Acceleration
in these media?
is
directly
proportional
to
is
inversely
proportional
to
velocity.
B.
Acceleration
velocity.
medium 1
C. Acceleration is directly proportional to the
square of the velocity
medium 2
D. Acceleration is inversely proportional to the
square of the velocity
medium 3
E.
Acceleration is directly proportional to the
square root of the velocity
A. v1 > v2 > v3
B.
v2 > v1 > v3
C. v2 > v3 > v1
D. v3 > v2 > v1
E.
v3 > v1 > v2
229. A piece of lead tied by string to a spring scale
weighs
63 N. When
the piece of
lead is
completely submerged in a certain liquid, the
reading on the spring scale is 57 N. What would
the reading in the spring scale be if the liquid
were replaced by a twice-as-dense liquid?
A. 51 N
B.
114 N
C. 126 N
D. 54 N
E.
60 N
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