FOR TEST ONLY

1. Pre-Test (SCIENCE) 2017
DIRECTIONS: Select and shade the best answer on the answer sheet.
81. The simplest vascular plants are called ____.
a. mosses b. ferns c. cycads d. angiosperms e. gymnosperm
82. What type of symmetry is shown in adult echinoderms?
a. Asymmetry b. Bilateral symmetry c. five-part radial symmetry
d. sea urchin e. sessile
83. Which of the following traits is/are not an absolute requirement for classification under Phylum chordate?
a. A bony endoskeleton b. a notochord c. pharyngeal slit
d. a hollow dorsal nerve cord e. both a and d
84. Which of the following cellular structures is typical of plant cell?
a. Cell membrane b. Cell wall c. Cytosol d. Centrosome e. Nucleus
85. A specimen viewed under the compound light microscope is 2.0 mm. what is its size in microns?
a. 10µ b. 100 µ c. 1,000 µ d. 10,000 µ e. 2,000 µ
86. Which of the following describes a chemical change?
a. Water boiling to form steam d. Hamburger solidifying on a plate
b. Sugar dissolving in a cup of coffee e. Melting of wax
c. Tarnishing of silver
87. A homogeneous mixture can be separated by all of the following methods except
a. filtration b. chromatography c. crystallization d. distillation e. all of the above
88. The electron configuration for oxygen (Z=8) is ___.
a. 1s22s2p6 b. 1s22s22p63s2 c. 1s22s22p6 d. 1s22s22p4 e. 1s22s6
89. The formula mass of limewater Ca(OH)2, when Ca=40.1, O=16.0 and H=1.0 is ___.
a. 60.2 b. 57.1 c. 58.1 d. 72.1 e. 74.1
90. Which represent a strong base?
a. 11 b. 8.5 c. 7.4 d. 13 e. 1
91. When combining with nonmetallic atoms, metallic atom will generally
a. Will not lose nor gain electrons d. gain electron and form negative ions
b. lose electron and form negative ions e. lose electron and form positive ions
c. gain electron and form positive ions
92. The cardiovascular system does not function in the ___.
a. transport of nutrients c. defense against disease-causing bacteria
b. regulation of body temperature d. production of oxygen e. all of the above
93. Which of the following is the most metallic element?
a. Mg b. K c. Ca d. Se e. C
94. Electric current flows easily through ___.
a. rubber b. nonmetals c. insulators d. wood e. conductors
95. One of the following does not affect brightness of stars.
a. Size b. distance c. temperature d. shape e. none of the above
96. The vessels that carry blood back to your heart are ____.
a. arteries b. capillaries c. bronchial tube d. veins e. trachea
97. Which of the seismic wave travels along the surface of the Earth?
a. P-wave b. L-wave c. S-wave d. all of the above e. none of the above
98. When the Northern Hemisphere is tilted towards the sun, the Southern Hemisphere is experiencing ___.
a. spring b. fall c. summer d. winter e. typhoon
99. Which part of the flower becomes a seed?
a. calyx b. ovule c. pistil d. sepal e. ovary
100. Which comes first in the sexual reproduction of plant?
a. Germination b. Fertilization c. Pollination d. Zygote formation e. meiosis
101. The first link in a food chain are the ___.
a. Herbivore b. consumers c. scavengers d. decomposers e. producers
102. A quantity of 15m/s to the north is a measure of
a. velocity b. acceleration c. speed d. metric distance e. scalar
For numbers 23-27, refer to the following figure:
F=20N t=5s
v=0 v=10m/s
103. The acceleration of the body is

2. a. 2m/s2 b. 15m/s2 c. 20m/s2 d. 0.5 m/s2 e. 0m/s2
104. The weight of the body is
a. 10N b. 0N c. 20N d. 98N e. 9.8N
105. After 10 seconds, what will be the final velocity of the body?
a. 100m/s b. 10m/s c. 2.5m/s d. 20m/s e. 30m/s
106. The body is initially
a. speeding up b. slowing down c. at constant velocity d. at rest e. slows then speeds up
107. The force acting on the body could be
a. pull b. push c. balanced d. a and b e. gravity
108. Which quantity will increase if you increase the velocity of an object?
a. Kinetic energy b. Potential energy c. Mass d. Thermal energy d. Mechanical energy
109. Which celestial body does not belong to the group?
a. Meteoroids b. Asteroids c. Comets d. Planets e. Stars
110. Carbohydrate: Glucose :: Protein : ____
a. Amino acid b. Glycerol c. Fatty acid d. Nucleic acid e. Glycerol