Silent valley is situated in

A. Kashmir

B. Kerala

C. Africa

D. America

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  2. Radiation is a health hazard as it causes
  3. Hie sequence blue green algae > crustose lichens foliose lichens > mosses shrubs dicotyledonous…
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  5. Biologists celebrate 5th June as
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  13. Hydrilla is a
  14. Commensalism is
  15. Correct definition of ecosystem is :
  16.   Which of the following is normally not at atmospheric pollutant
  17. The source of energy in the ecosystem is:
  18. Smog is a common pollutant in places having
  19. Carbon cycle includes
  20. Hie earliest settlers on barren lands are generally
  21. Laterization is a process which results in the
  22. Competition for food, light and space is most severe in
  23. The nitrifying bacteria which oxidise nitrite to nitrates include
  24. What is the major constituent of biomass of an organism
  25. The least porous soil among the following is
  26. . Biome is
  27. Plankton, Nekton and Itenthon are not the components of one of the following ecosystems:
  28. The biggest herbarium of India is
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