Q: The energy relationships in an ecosystem can be study with the help of

(a) :  Pyramid of energy
(b) :  Pyramid of biomass
(c) :  Pyramid of numbers
(d) :  None of the pyramids
(e) :  None of the Above
Answer:  Pyramid of energy

Q: The most cruical event in nature governing nutrient balance is:

(a) :  Primary production
(b) :  Secondary production
(c) :  Nutrient cycling
(d) :  Gross production
(e) :  None of the Above
Answer:  Nutrient cycling

Q: The reaction between living and non-living in an ecosystm is known as:

(a) :  Interaction
(b) :  Reaction
(c) :  Communication
(d) :  Reversal
(e) :  None of the Above
Answer:  Interaction

Q: What are mesophytes:

(a) :  Plants associated with organisms
(b) :  Plants growing on water
(c) :  Plants growing on rocks
(d) :  Plants growing in normal conditions
(e) :  None of the Above
Answer:  Plants growing in normal conditions

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