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- 1. Multiple Choice
A biogeochemical cycle explains:
The formation of stars and planets.
why certain animals are known as keystone animals.
the flow of chemical elements between living organisms and the environment.
- 2. Multiple Choice
Biogeochemical processes do ALL of the following EXCEPT for:
Regulate nutrients
Influence climate stability
Influence the metabolism of mammals
- 3. Multiple Choice
________________ is the process where liquid water is heated by the sun and is changed to water vapor.
Condensation
Evapotranspiration
Evaporation
- 4. Multiple Choice
Replenishing of the water table is known as:
Runoff
Usage
Recharge
- 5. Multiple Choice
When a plant or animal removes water from the water table it is known as:
Runoff
Usage
Recharge
- 6. Multiple Choice
Water does not get absorbed by the ground and flows over an impermeable surface is known as:
runoff
usage
recharge
- 7. Multiple Choice
Humans alter the water cycle by ALL of the following EXCEPT:
contributing to climate change
polluting surface and ground water
releasing large amounts of absorbent materials into the oceans
- 8. Multiple Choice
Who stated energy/matter cannot be created nor destroyed, only changed from one form to another is the 1st law of thermodynamics.
Einstein
Ptolomy
Aristotle
- 9. Multiple Choice
_____________ is known as the building block of life.
sulfur
carbon
water
- 10. Multiple Choice
Carbon enters the atmosphere in the carbon cycle as:
Sucrose
Nitrites
Carbon Dioxide
- 11. Multiple Choice
The products of respiration are:
O2 + Food
CO2 + H2O + Energy
CO2 + H2O + Sunlight
- 12. Multiple Choice
Carbon enters the atmosphere by ALL of the following EXCEPT:
through photosynthesis
released by volcanic eruptions
released by burning wood and fossil fuels
- 13. Multiple Choice
The reactants for photosynthesis are:
O2
C6H12O6 + O2
CO2 + H2O + Sunlight
- 14. Multiple Choice
What is the energy source that drives Earth's plates?
Sun
Tidal
Geothermal
- 15. Multiple Choice
Which of the gases below contributes most to the greenhouse effect?
NO2
CFCs
CO2
- 16. Multiple Choice
________________ is important element required by living things because it is required for amino acids.
Nitrogen
Phosphorus
Sulfur
- 17. Multiple Choice
Nitrogen fixing bacteria
contaminate groundwater
change nitrogen into nitrogen compounds plants can use
are found on the roots of all plants
- 18. Multiple Choice
The process by which a body of water acquires a high concentration of nutrients is known as:
Nutrification
Eurtrophication
Nitrogenification
- 19. Multiple Choice
Humans alter the nitrogen cycle by ALL of the following except:
Adding gases that contribute to acid rain
volcanic activity
contaminating ground water from nitrate ion in inorganic fertilizers
- 20. Multiple Choice
Effects of increased nitrogen include ALL of the following EXCEPT:
increases global warming
increases rate of cutting down forests
increases acidity of rivers and lakes
- 21. Multiple Choice
The most abundant gas in the atmosphere is:
Nitrogen
Oxygen
Carbon Dioxide
Water Vapor
- 22. Multiple Choice
The percentage of energy that is reflected off the Earth without being changed is called
Albedo
Eutrophication
Nitrification
- 23. Multiple Choice
Which of the following is the chemical formula for Methane?
CH4
NO2
NH3
- 24. Multiple Choice
Which of the following is the chemical formula for Nitrite?
H2O
NO2
NO3
- 25. Multiple Choice
What is the #1 source of useable fresh water?
Oceans
Icecaps & Glaciers
Groundwater
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