The best indicator of SO^2 pollution is

A. Lichens

B. Algae

C. Fungus

D. Fems

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  1. Vegetation in Delhi is predominantly
  2. The best indicator of SO^2 pollution is
  3.   Which of the following is normally not at atmospheric pollutant
  4. Increasing accumulation of DDT in organisms of a food chain in higher trophic levels is known as
  5. One of these is a renewable source of energy:
  6. What is the major constituent of biomass of an organism
  7. Carbon cycle includes
  8. An area of soil is thoroughly wetted and allowed to drain until capillary movement of water is stopped.…
  9. The least porous soil among the following is
  10. Silent valley is situated in
  11. The biggest herbarium of India is
  12. The first stage of plant succession on earth is called
  13. Hie sequence blue green algae > crustose lichens foliose lichens > mosses shrubs dicotyledonous…
  14. Commensalism is
  15. In cities like Mumbai and Delhi, the major air pollutants are
  16. The food chain in which microorganisms break down the energy-rich compounds synthesized by producers…
  17. Which one of the following is associated with the conservation of forest ?
  18. Biologists celebrate 5th June as
  19. Pedology is the study of
  20. Humus is an example of
  21. Mark which is true
  22. Hie earliest settlers on barren lands are generally
  23. Laterization is a process which results in the
  24. Hydrilla is a
  25. Which is the correct food chain
  26. Smog is a common pollutant in places having
  27. Plankton, Nekton and Itenthon are not the components of one of the following ecosystems:
  28. Competition for food, light and space is most severe in
  29. Desert plants are generally
  30. Which of the following functions performed by forests help most in controlling drought