Ecosystem

48 topics, ranked by how often each is asked.

Practise EcosystemBrowse all questions
  • 85 questions
  • 36 papers
  • 2.41% of Biology

Topics

The squares are the last ten exam years: filled means it was asked that year.

Most asked first

48 topics · 85 questions
  1. 1Productivity13%11 questionsPractise Productivity
  2. 2Ecological Pyramids11%9 questionsPractise Ecological Pyramids
  3. 3Decomposition8.2%7 questionsPractise Decomposition
  4. 4Ecological succession8.2%7 questionsPractise Ecological succession
  5. 5Nutrient Cycling3.5%3 questionsPractise Nutrient Cycling
  6. 6Energy flow3.5%3 questionsPractise Energy flow
  7. 7Ecological succession - pioneer species2.4%2 questionsPractise Ecological succession - pioneer species
  8. 8Phosphorus cycle2.4%2 questionsPractise Phosphorus cycle
  9. 9Trophic levels2.4%2 questionsPractise Trophic levels
  10. 10Productivity Units1.2%1 questionPractise Productivity Units
  11. 11Energy Flow and Thermodynamics1.2%1 questionPractise Energy Flow and Thermodynamics
  12. 12Energy Flow and the Ten Percent Law across Trophic Levels1.2%1 questionPractise Energy Flow and the Ten Percent Law across Trophic Levels
  13. 13Nutrient Cycling – Phosphorus Cycle1.2%1 questionPractise Nutrient Cycling – Phosphorus Cycle
  14. 14Ecosystem – Trophic Levels and Food Chains1.2%1 questionPractise Ecosystem – Trophic Levels and Food Chains
  15. 15Primary and secondary productivity1.2%1 questionPractise Primary and secondary productivity
  16. 16Decomposition process1.2%1 questionPractise Decomposition process
  17. 17Pyramid of energy and the 10 percent law1.2%1 questionPractise Pyramid of energy and the 10 percent law
  18. 18Limitations of ecological pyramids1.2%1 questionPractise Limitations of ecological pyramids
  19. 19Ecological pyramids - energy, biomass, numbers1.2%1 questionPractise Ecological pyramids - energy, biomass, numbers
  20. 20Biogeochemical cycles - phosphorus cycle1.2%1 questionPractise Biogeochemical cycles - phosphorus cycle
  21. 21Factors affecting rate of decomposition1.2%1 questionPractise Factors affecting rate of decomposition
  22. 22Types of ecological succession1.2%1 questionPractise Types of ecological succession
  23. 23Eutrophication1.2%1 questionPractise Eutrophication
  24. 24Nutrient cycling terminology1.2%1 questionPractise Nutrient cycling terminology
  25. 25Hydrarch succession1.2%1 questionPractise Hydrarch succession
  26. 26Carbon cycle, PAR and productivity1.2%1 questionPractise Carbon cycle, PAR and productivity
  27. 27Food chains - trophic levels1.2%1 questionPractise Food chains - trophic levels
  28. 28Energy flow and ecological pyramids1.2%1 questionPractise Energy flow and ecological pyramids
  29. 29Productivity and standing crop1.2%1 questionPractise Productivity and standing crop
  30. 30Ecosystem structure – stratification1.2%1 questionPractise Ecosystem structure – stratification
  31. 31Man-made ecosystems – cropland1.2%1 questionPractise Man-made ecosystems – cropland
  32. 32Ecosystem – history of the term1.2%1 questionPractise Ecosystem – history of the term
  33. 33Producers – chemosynthetic bacteria1.2%1 questionPractise Producers – chemosynthetic bacteria
  34. 34Ecosystem structure1.2%1 questionPractise Ecosystem structure
  35. 35Productivity and biomass1.2%1 questionPractise Productivity and biomass
  36. 36Food chains1.2%1 questionPractise Food chains
  37. 37Ecological terms1.2%1 questionPractise Ecological terms
  38. 38Food chain1.2%1 questionPractise Food chain
  39. 39Ecosystem structure and function1.2%1 questionPractise Ecosystem structure and function
  40. 40Food web1.2%1 questionPractise Food web
  41. 41Food chain and trophic levels1.2%1 questionPractise Food chain and trophic levels
  42. 42Structure of ecosystem1.2%1 questionPractise Structure of ecosystem
  43. 43Carbon Cycle1.2%1 questionPractise Carbon Cycle
  44. 44Food Chains and Energy Flow1.2%1 questionPractise Food Chains and Energy Flow
  45. 45Water Resources1.2%1 questionPractise Water Resources
  46. 46Energy Budget of the Earth1.2%1 questionPractise Energy Budget of the Earth
  47. 47Ecological Stability and Resilience1.2%1 questionPractise Ecological Stability and Resilience
  48. 48Productivity in Aquatic Ecosystems1.2%1 questionPractise Productivity in Aquatic Ecosystems

Questions per paper

Asked in 15 of the last 16 papers (2017–2026).

  1. 2026: 3 questions
  2. 2026 Re-NEET: 2 questions
  3. 2025: 3 questions
  4. 2024: 1 question
  5. 2024 Re-NEET: 2 questions
  6. 2023: 2 questions
  7. 2023 Manipur: 3 questions
  8. 2022: 3 questions
  9. 2022 Phase 2: 5 questions
  10. 2021: 3 questions
  11. 2020: 2 questions
  12. 2020 Phase-2: 3 questions
  13. 2019: 1 question
  14. 2019 Odisha: not asked
  15. 2018: 1 question
  16. 2017: 2 questions

Concepts tested

  • Hydrarch succession 3
  • Phosphorus cycle 2
  • Pyramid of numbers 2
  • Secondary productivity 2
  • Secondary succession 2
  • Standing crop 2
  • Steps of decomposition 2
  • Trophic levels 2
  • Applying 10% energy transfer rule across trophic levels
  • Bacteria and fungi as decomposers
  • Biogeochemical cycles - phosphorus cycle
  • Carbon cycle, PAR and productivity
  • Community characteristics
  • cropland-low-diversity
  • Detritus food chain in deep sea
  • Distribution of fresh water
  • Ecological pyramids - energy, biomass, numbers
  • Ecological succession