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Which is a bioidicator of water polluti...

Which is a bioidicator of water pollution

A

Sewage fungus

B

Sludge-worms

C

Blood -worms

D

Stone files.

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ALLEN-ORGANISM & ENVIRONMENT AND DEMOGRAPHY-EXERCISE-II
  1. Which one of the following ecosystem ecosystem types has the highest a...

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  2. In a coal-fired power plant, electrostatic precipitators are installed...

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  3. Which is a bioidicator of water pollution

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  4. A high density ofelephant population in an area can result in

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  5. Geometric representation of age structure is a characteristic of :

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  6. Which one of the pairs of organisms are exotic species introduced in I...

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  7. Which one is not observed in biodiversity hotspot

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  8. Which of the following is the correct percentage of the two (out of th...

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  9. World Summit on Sustainable Development (2002) was held in :

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  10. About 70% of total global carbon is found in

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  11. Quercus species are the dominant component in

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  12. A lake near a village suffered heavy mortality of fishes within a few ...

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  13. The table below gives the populations (in thousands) of ten species (...

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  14. Consider the following statements conerning food chains (i) Remova...

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  15. According to Central Pollution Control Board (CPCB), which particular ...

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  16. The slow rate of decomposition of fallen logs in nature is due to thei...

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  17. Reduction in vascular tissue, mechanical tissue and cuticle is charact...

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  18. Which one of the following types of organisms occupy more than one tro...

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  19. Montreal Protocol aims at:

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  20. Chipko movement was launched for the protection of

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