Plankton, Nekton and Itenthon are not the components of one of the following ecosystems:

A. Marine

B. Freshwater

C. Grassland

D. Pond

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. The ultimate source of energy for fish is
  2. In grassland ecosystem the pyramid of energy is
  3. The source of energy in the ecosystem is:
  4. Mark which is true
  5. The food chain in which microorganisms break down the energy-rich compounds synthesized by producers…
  6. Correct definition of ecosystem is :
  7. What will happen if our water resources are continued to be polluted by industrial wastes
  8. Which one of the following is associated with the conservation of forest ?
  9. The biggest herbarium of India is
  10. Humus is an example of
  11. Hie earliest settlers on barren lands are generally
  12. Increasing accumulation of DDT in organisms of a food chain in higher trophic levels is known as
  13. A pollutant is any substance, chemical or other factor that changes
  14. Biosphere is:
  15. One of these is a renewable source of energy:
  16. The nitrifying bacteria which oxidise nitrite to nitrates include
  17. The least porous soil among the following is
  18. Biologists celebrate 5th June as
  19. Silent valley is situated in
  20. Laterization is a process which results in the
  21. When young plants are grazed too heavily they get killed because
  22. Hydrilla is a
  23. First link in any food chain is green plant because
  24. Plankton, Nekton and Itenthon are not the components of one of the following ecosystems:
  25. Autumn colouration of leaves appears only in
  26. Soil particles arranged in order of increasing size are
  27.   Which of the following is normally not at atmospheric pollutant
  28. In cities like Mumbai and Delhi, the major air pollutants are
  29. Radiation is a health hazard as it causes
  30. Deforestation may reduce the chances of