STEM Admission Test
Quiz by Louise Lyn Angeles
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- Q1
Which of the following is not a source of air pollution?
Transportation
Industry
Mine tailings
Volcanic eruption
30s - Q2
In their soluble or reduced state, iron and manganese are _______.
alkalinity enhancers
colorless
negatively charged
wont dissolve in water
30s - Q3
One method of determining if your finished water has the likelihood to be corrosive is ________.
Vander Waals formula
Zeta potential
Langelier's Saturation Index
HydrologicalCycles
30s - Q4
Which of the following molecules would have the smallest molar enthalpy of vaporization?
Water
Formaldehyde
Methane
Ammonia
30s - Q5
The first organic compound synthesized in 1828 by Frederich Wohler was ______.
benzene
urea
estrogen
methane
30s - Q6
A family of organic compounds whose molecules will add water under an acid catalyst and change into alcohols is the ______.
alkenes
alkanes
aromatic hydrocarbons
cycloalkanes
30s - Q7
A Jackrabbit has powerful legs to help it run fast and escape predators. This is an example of a/an______________.
Behavioral adaptation
Structural adaptation
Functional adaptation
Mechanical adaptation
30s - Q8
The giant tortoise with long necks on Galapagos Island can survive the dry environment. The long neck is an example of a/an________________
Adaptation
Variation
Mutation
Phenotype
30s - Q9
Due to limited resources not all offspring will survive. this is a resultof___________.
over reproduction
variation
competition
selection
30s - Q10
Which of the following refers to the change in the gene pool of a small population that takes place strictly by chance?
natural selection
mutation
genetic drift
genetic flow
30s - Q11
Which of the following statements about the species is FALSE?
Species are groups of living organisms that can interbreed
Species are members of a population that are reproductively compatible
Species are groups of organisms that can produce viable and sterile offspring
None of the above
30s - Q12
Which of the following is almost certain to happen as our Earth's climate changes?
The Moon will increase its gravitational pull.
Humans will run out of fossil fuels to use.
The ocean will dry out.
Average global temperatures will rise.
30s - Q13
Most of the energy we use comes from a group of natural resources called____________.
nuclear energy
fossil fuels
oil reserves
radiation
30s - Q14
Wind, solar, and water are examples of resources.
nonrenewable
fossil fuels
budding
renewable
30s - Q15
What is the earth’s core made of?
Iron and Carbon
Aluminum and Oxygen
Steel and Carbon
Iron and Nickel
30s