Multiple Choice Quiz


1	Based on trophic biology, fungi are most similar to:
		A)	protists
		B)	animals
		C)	plants
		D)	bacteria


2	PAR stands for:
		A)	photon activity rate
		B)	partially-autotrophic respiration
		C)	photosynthetically active radiation
		D)	photon availability rate


3	The number of known biochemical pathways used by photosynthetic organisms is:
		A)	0
		B)	1
		C)	2
		D)	3


4	C4 plants conserve water by:
		A)	having fewer stomata open
		B)	switching to heterotrophic strategies
		C)	breaking sulfur-sulfur bonds
		D)	collecting photons at night


5	Silica, cellulose, and lignin can be seen as:
		A)	alternative starting molecules for producing PGA
		B)	components of soil that increase root growth
		C)	catalysts for marine algae
		D)	none of the above


6	Prey capture rates of bald-faced hornets described by Heinrich are:
		A)	poor, but apparently adequate
		B)	among the highest for invertebrate predators
		C)	underestimated, because they are cannibalistic
		D)	none of the above


7	Chemoautotrophic bacteria are:
		A)	still able to photosynthesize if needed
		B)	common in estuaries
		C)	symbionts with invertebrates
		D)	an important component of otter diets in Portugal, but not in England


8	All organisms:
		A)	“exhale” carbon dioxide
		B)	take in energy at limited rates
		C)	are heterotrophic
		D)	can benefit from infrared light


9	The most common functional response for animals appears to be:
		A)	Type I
		B)	linear rise of food intake at low food density, then a slow rise before leveling off
		C)	oscillatory
		D)	somewhat unknown due to the paucity of studies


10	True or False: An optimal forager acts as if it has determined the best balance between energy maximization and other life functions.
		A)	True
		B)	False


11	True or False: Handling time is inversely proportional to the rate of energy intake.
		A)	True
		B)	False


12	True or False: Bluegills choose the most abundant prey they can swallow to maximize energy gain.
		A)	True
		B)	False


13	True or False: Sugar-fed bacteria can quickly reduce cyanide in mine wastes.
		A)	True
		B)	False

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