Environmental Chemistry Sample Questions for Class 11
Question 1
Which cycle illustrates the path of water through the environment?
A. nitrogen cycle
B. carbon cycle
C. phosphorus cycle
D. hydrologic cycle
Question 2
The philosophy that says that humans have a unique responsibility to manage, care for, and improve nature is called
A. ecology.
B. environmentalism.
C. stewardship.
D. biocentric preservation.
Question 3
The two fundamental rules can be used to determine the unknown element in a nuclear reaction equation. One rule comes from the Law of Conservation of Mass, or the mass balance rule, which tells us that the total mass of the reactants must equal that of the products in the reaction. The other rule, , tells us that the number of of the reactants and products must also be equal.
A. neutron balance rule; neutrons
B. isotopic balance rule; isotopes
C. charge balance rule; protons
D. decay balance rule: charges
Question 4
A species that enters an environment where it has not lived before is a(n)
A. endangered species.
B. invasive species.
C. predator.
D. threatened species.
Question 5
One of the major goals of environmental science is to
A. manage existing environmental problems.
B. understand and solve environmental problems.
C. create more environmental problems.
D. find problems and observe until they reach a critical level.