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Accumulation of non-biodegradable pesticides in the food chain in increasing amount at each higher trophic level is known as 

(a) eutrophication 

(b) pollution 

(c) biomagnification 

(d) accumulation

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The answer is (c) biomagnification

  • Eutrophication is richness of nutrient beyond optimum level. 
  • Eutrophication occurs due to run off from land. 
  • Introduction of an undesired substance into environment. 
  • Pollution leads to harmful effects on living organisms

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