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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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ALLEN-ORGANISM & ENVIRONMENT AND DEMOGRAPHY-EXERCISE-III
  1. What shall be the effect of destruction of wildlife?

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  2. Which one of the following hcave sunken stomata ?

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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 cannot 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. Which is the most effective way to conserve the plant diversity of an ...

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  12. Bhopal gas tragedy of 1984 took place because methyl isocyanate reacte...

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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. Which is the most effective way to conserve the plant diversity of an ...

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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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