Principles of Environmental Science

William P. Cunningham, University of Minnesota
Mary Ann Cunningham, Vassar College

Principles of Ecology: Matter, Energy, and Life

Multiple Choice Quiz


1	The loss of energy from one trophic level to the next is an example of
		A)	the second law of thermodynamics.
		B)	a chemical reaction.
		C)	photosynthesis.
		D)	respiration.


2	Which of the following is NOT a major group of organic compounds?
		A)	proteins
		B)	carbohydrates
		C)	vitamins
		D)	lipids


3	The role of ATP and NADPH in photosynthesis is to
		A)	provide energy for the light-independent reaction.
		B)	store energy captured in the light-dependent reaction.
		C)	split carbon and hydrogen from sugar molecules.
		D)	none of the above.
		E)	a and b are correct.


4	An ecosystem that has high productivity and high decomposition rate will have
		A)	high net productivity.
		B)	low net consumption.
		C)	low net productivity.
		D)	low respiration.


5	In most ecosystems, the greatest amount of energy is stored in the bodies of
		A)	decomposers.
		B)	primary producers.
		C)	carnivores.
		D)	herbivores.


6	Which plant has nitrogen-fixing bacteria in its roots?
		A)	bean
		B)	corn
		C)	wheat
		D)	all of the above


7	Which of the following releases sulfur into the air and water?
		A)	volcanic eruptions
		B)	fossil fuel combustion
		C)	deep seafloor vents
		D)	all of the above
		E)	a and c are correct

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