A.Micro-organisms
B.Green vegetation of an area
C.Food crop
D.None of these
undefined
B.Green vegetation of an area
C.Food crop
D.None of these
undefined
Related Mcqs:
- The effect of pollution is first and most marked on:?
- The first trophic level in a food chain is __________?
- BOD is the amount of oxygen:?
- Louis-Pasteur succeeded in disproving the spontaneous generation theory because:
- Effect of pollutionis first and most marked on:?
- What is Plankton?
- water pollution is caused by:?
- Sewage water can be purified for recycling with the action of:?
- In a population, unrestricted reproductive capacity is called as __________?
- Sebum produced from sebaceous glands in a mammal helps in___________??
