Previous Year Very Short Questions of EVS (B-TECH mechanical engineering 1st-2nd)

Environmental science

Previous year question paper with solutions for Environmental science

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  1. �The exposed hand of an astronaut would not feel hot in thermosphere.� Comment.
  2. �Fresh water is the biggest crisis facing the world today.� Comment.
  3. Define Food Chain.
  4. What is absorption?
  5. �Ozone is a life savior, if present in stratosphere ; but is a pollutant, if present in troposphere.� Justify.
  6. Differentiate BOD & COD.
  7. �Recycling is an integral part of solid waste management.� Comment.
  8. �The earth system is not, and never has been, free from climate change.� Comment.
  9. What are Human Rights?
  10. Define Environment. Name two broad classifications of the environment.
  11. Name various types of ecosystem.
  12. What is the significance of biodiversity?
  13. What are the major air pollutants emitted from thermal power plants?
  14. Define sustainable development.
  15. What are the causes of acid rain?
  16. Write any four major water pollutants.
  17. What is the necessity of rain water harvesting schemes?
  18. List urban problems related to energy.
  19. Define rehabilitation.
  20. What is meant by homeostasis?
  21. Who defined the term sustainable development?
  22. What is climate, weather and rain?
  23. What is soil?
  24. What are the functions of an ecosystem?
  25. What are biotic factors?
  26. What is biotic potential?
  27. What is endemism?
  28. What are wetlands and their basic attributes?
  29. What is bio-magnification?
  30. Define Environment.
  31. What is Ecology?
  32. Name two branches of life sciences helpful in study of environmental science.
  33. What is deforestation?
  34. What are anthropogenic ecosystems?
  35. Name various sources of air pollution.
  36. What are the sources of radio activity?
  37. Define sustainable development.
  38. Mention two main causes of population explosion in India.
  39. Name the application of information technology in human health
  40. Who introduced the term ecology?
  41. What is the major problem facing the world today?
  42. What are sedimentary rocks?
  43. What are the effects of global warming?
  44. What is a biotic community?
  45. What are the three classes of biodiversity according to Whittaker?
  46. How are air pollutants classified?
  47. What is an activated sludge process?
  48. What do you mean by thermal pollution?
  49. What are primary sedimentation tanks?