2 Science and Technology · 2.5.4 Pollution and control

2.5.4.8 Soil pollution, pesticides and biomagnification

Soil pollution is the build-up of toxic chemicals in soil, mainly from pesticides, fertilisers and industrial waste; persistent pesticides like DDT then concentrate as they move up food chains, a process called biomagnification.

  • APPSC Group 1
  • Advanced level
  • 8 min read
  • Full course

Key terms

  • soil pollution
  • heavy metals
  • pesticides
  • organochlorine
  • organophosphate
  • POPs
  • DDT
  • endosulfan
  • bioaccumulation
  • biomagnification
  • eggshell thinning
  • Silent Spring
  • Insecticides Act 1968

What this note covers

  1. Core factsFoundation
  2. ExplainedStandard
  3. DeeperAdvanced
  4. Mains writingMains writing
  5. Common trapsFoundation
  6. Quick revisionFoundation

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