Polytechnic Environmental studies Mcq with Answers Pdf

6. any material that can be transformed into more valuable and useful product or service  is called

7. India has the largest reserve of ________ after Brazil.

8.a sudden uncontrolled descent of a mass of Earth under the force of gravity is called.

9. hydroscopic and combined water .

10. The constituents of producer gas are.

11.  the least quality of the coal with 95%carbon  content and 5% volatile matter is

12.  Men engineered ecosystem consists of

13. The interdependence of the living organisms among themselves and with the environment is called

14. The food chain in an ecosystem helps to maintain

15.  the scientific study of the geographic distribution of plants and animals is called as

16. The total area of India is classified into following number of biogeographical zones

17. Species with very restricted distribution over relatively small ranges are called

18. which of the following is a biodiversity hotspot of India

19. Depending upon the generation of different air pollution, they can be classified as

20. PAN is a secondary pollutant that

21. Used batteries, mobile phones, calculators and other such stuff are better known as

22. Fluorosis result in

23. More scientific method than BOD to determine water quality parameter

24.  The main discharge form of thermal power plant is

25. The itai-itai disease of japan was caused due to

26. A geographic unit that collects, stores, and releases water is

27. saline and alkaline lands are types of

28. Smog is an odd combination of

29. The Appiko Movement (tree hugging)was started in

30. The United Nations Conference on Human Environment was organized at

31. acid rain is any rain with pH

32. The Apex body of standardization in the world formed in 1946 is.

33. ORS is used in case of

34. Diarrhea is caused ethics

35. equity and social justice are essential  components of