STEM-Diagnostic Examination for General Science
Quiz by YSABEL ANGELA EMBILE
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- Q1
Plants produce their own food molecules through a process called photosynthesis. What do plants need for photosynthesis to push through?
light, water, carbon dioxide and oxygen
light, water and carbon dioxide
light and water
light
30s - Q2
Imagine you have a pet animal. Your pet is fat and she has very thick fur. She also likes to sleep for months at a time. After a year in your house in the Philippines, you notice that your pet is suffering. You then decide to release her back to her natural habitat. Which biome do you think is right for her?
Tundra
Desert
Tropical rainforest
Savanna
30s - Q3
In your Biology Class, you look into a compound microscope. You notice that the organism you are trying to view is out-of-focus. Which part of the microscope part do you adjust to sharpen the focus?
Eyepiece
Fine Adjustment Knob
Course Adjustment Knob
Mirror
30s - Q4
JK is requested to determine whether an unknown colorless and odorless liquid in a beaker is acidic, basic, or neutral. He used red and blue litmus paper and found out that NONE of the litmus paper strips changes color when dipped into the liquid. Which of the following is the best conclusion based on the result of the experiment?
The unknown liquid is neutral
The unknown liquid is acidic
The unknown liquid is flammable
The unknown liquid is basic
30s - Q5
Which of the following elements contains 17 electrons in their neutral form?
K
O
Al
Cl
30s - Q6
How many neutrons are there in the aluminum atom?
13
24
27
14
30s - Q7
Which of the following statement is true?
The Oxygen atom has 8 protons, 8 electrons and 16 neutrons
The Carbon atom has 6 protons, 6 electrons and 12 neutrons
The Oxygen atom has 8 protons, 8 electrons and 6 neutrons
The Carbon atom has 6 protons, 6 electrons and 6 neutrons
30s - Q8
The total number of protons and neutrons in the nucleus of an atom.
Mass Number
Atomic Number
Isotopes
Electronegativity
30s - Q9
Which of the following organic compounds is the main source of energy for living things?
Proteins
Nucleic Acids
Carbohydrates
Lipids
30s - Q10
Which of the following is NOT a characteristic of Earth?
It is the only known planet that can support life.
It is the third planet from the Sun.
It has blue waters, rocky and green land masses.
It has abundant carbon dioxide in the atmosphere.
30s - Q11
Igneous and metamorphic rock can be buried and undergo tremendous heating and stress. What is the process of transformation of one rock type into another?
Weathering
Compaction
Lithification
Metamorphism
30s - Q12
A total solar eclipse was last seen in the Philippines on Oct. 24, 1995. Which of the following images shows the correct configuration of the earth, moon and sun during that time?
30s - Q13
Which of the following classification of substances is incorrect?
Mixture: Copper wire, iron fillings in sulfur, sand and water
Solutions: steel, air, saltwater
Elements: Carbon, Gold, Aluminum
Compounds: water, agua oxinada, table salt
30s - Q14
Which of the following compounds is incorrectly paired with their IUPAC name?
NO2- Nitrogen Dioxide
CuS2O3- Copper (II) Thiosulfate
CaBr2 - Calcium Bromide
CCl4-Carbon pentachloride
30s - Q15
Which of the following pairs of Chemical formula and chemical name is correctly matched?
CaSO3-calcium sulfide
LiNO2-lithium nitrate
NaClO: sodium chlorite
AlPO4 -Aluminum phosphate
30s
