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Which of the following is absent in poll...

Which of the following is absent in polluted water?

A

Hydrilla

B

Water hyacinth

C

Larva of stone fly

D

Blue green algae

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The correct Answer is:
C
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MOTION-ECOLOGY-EXERCISE -2
  1. What shall be the effect of destruction of wildlife?

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  2. In which of the following plant sunken stomata are found : -

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  3. Which of the following is absent in polluted water?

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  4. What is true for individuals of same species ?

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  5. Two different species can not live for long duration in the same niche...

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  6. Which of the following is a correct pair:

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  7. What is a keystone species?

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  8. Lead concentration in blood is considered alarming if it is

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  9. Lichens are well known combination of an alga and a fungus where fungu...

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  10. Which of the following is expected to have the highest value (gm//m^(2...

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  11. In your opinion, which is the most effective way to conserve the plant...

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  12. In 1984 the Bhopal gas tragedy took place because methyl isocyanate re...

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  13. An ecosystem which can be easily damaged but can recover after some ti...

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  14. In which one of the following habitats does the diurnal temperature of...

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  15. Photosynthetically active radiation (PAR) represents the following ran...

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  16. Blood analysis of a patient reveals an ususually high quantity of carb...

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  17. In your opinion, which is the most effective way to conserve the plant...

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  18. Common indicator organism of water pollution is

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  19. Which one of the following pairs is mismatched

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  20. Identify the correctly matched pair -

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