Cycles Test UPDATED Exam Questions and CORRECT Answers
Course
Cycles
Institution
Cycles
Cycles Test UPDATED Exam Questions
and CORRECT Answers
Which of the cycles has no atmospheric component? - Correct Answer- Phosphorous Cycle
Transpiration - Correct Answer- Is the loss of water vapor from plants and is released into the
atmosphere
Evaporation - Correct Answer- When water is ...
Cycles Test UPDATED Exam Questions
and CORRECT Answers
Which of the cycles has no atmospheric component? - Correct Answer- Phosphorous Cycle
Transpiration - Correct Answer- Is the loss of water vapor from plants and is released into the
atmosphere
Evaporation - Correct Answer- When water is converted from liquid to water vapor
Infiltration - Correct Answer- Water entering the soil
Percolation - Correct Answer- Water moving through the soil
Name 3 ways in which water in the atmosphere may eventually return to the oceans - Correct
Answer- 1. groundwater movement
2. surface runoff
3. precipitation into the ocean
What 2 biological processes are responsible for cycling carbon in the environment? - Correct
Answer- 1. Photosynthesis
2. Respiration
What is meant by oceans being regarded as the "carbon sink" - Correct Answer- Contains a
lot of carbon dioxide from the atmosphere and it stores calcium carbonate.
Other then Carbon Dioxide, what other forms is Carbon found in the atmosphere? - Correct
Answer- 1. CH4 (Methane)
2. CO (Carbon Monoxide)
, Where does all of the extra carbon come from? and what is the process that releases it? -
Correct Answer- Extra carbon comes from fossil fuels, which is made of detritus. Burning the
fossil fuels releases it
Chemical Formula: Nitrogen - Correct Answer- N2
Chemical Formula: Nitrous Oxide - Correct Answer- N202
Chemical Formula: Ammonia - Correct Answer- NH3
Chemical Formula: Nitrate - Correct Answer- N03-
Chemical Formula: Nitrite - Correct Answer- N02-
Nitrogen Fixation - Correct Answer- The conversion of atmospheric nitrogen into ammonia
and is carried out by nitrogen-fixing bacteria. Process that turns ammonia into ammonium .
Nitrification - Correct Answer- The conversion of ammonia into nitrite or the conversion of
ammonium intro nitrate.
In what forms is nitrogen readily taken up by autotrophs? - Correct Answer- Ammonium and
Nitrate Ions
How do heterotrophs get the nitrogen they need? - Correct Answer- By eating autotrophs
What do organisms use nitrogen for? In what organic molecules is it essential? - Correct
Answer- Organisms use nitrogen to build amino acids. It is essential in proteins and
nitrogenous bases
Organisms, especially animals, give off various forms of nitrogen rich wastes. What is the
name of the process in which these wastes are converted back into ammonia? - Correct
Answer- Ammonification
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