Concept Notes on Ecology & Environment for NDA & CDS Exams

Disha publication brings you the detailed concept notes of ‘Ecology’ and Environment to help you face the questions in general questions in exams like NDA & CDS. Aspirants can free download these concept notes for NDA & CDS Exams preparation and it is available on Disha Publication (



  • Biological clock
  • Ecosystem
  • Environment Etymology
  • Light factor
  • Ecosystem
  • Different types of ecosystem of nature
  • Abiotic (Non-Living) and Bi­otic (Living).
  • Sustainable development
  • Sustainable development initiatives of India


  • Atmosphere
  • Wetlands conservation in India
  • Global warming and climate change
  • International Effort to tackle Climate change
  • Conventions on Climate change


CDS Solved Paper BookNDA Exam Book

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