Biodiversity GK Questions and Answers

17. Which one of the following adopted 'Agenda 21'?
  A.  First Earth Summit
  B.  Kyoto Protocol
  C.  Summit on Sustainable Development
  D.  Montreal Protocol
Answer
Ans: A
First Earth Summit
18. Which of the following components of ecosystem acts as intermediatory between biotic and a biotic components?
  A.  Producer
  B.  Habitat
  C.  Consumer
  D.  Decomposer
Answer
Ans: A
Producer
19. What term denotes the organisms getting their food from others?
  A.  Autotrophs
  B.  Heterotrophs
  C.  Producers
  D.  Synthesizers
Answer
Ans: B
Heterotrophs
20. The cycling of elements in an ecosystem is called
  A.  Chemical cycles
  B.  Geological cycles
  C.  Geochemical cycles
  D.  Biogeochemical cycles
Answer
Ans: D
Biogeochemical cycles
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