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Rotation of crops, Genetic strains, Ster...

Rotation of crops, Genetic strains, Sterility are the.....methods to prevent the pests.

A

Bio - accumulation

B

Bio- magnification

C

Biological control

D

Environmental ethics

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BEYOND PUBLICATION-OUR ENVIRONMENT-EXERCISE
  1. Insectivores feed on aphids, grasshopper.We can represent the statemen...

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  2. The coutry which killed the sparrows by thinking they are the cause fo...

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  3. Rotation of crops, Genetic strains, Sterility are the.....methods to p...

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  4. The sum of physical and biological factors along with their chemical i...

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  5. Air, water, soil, sunlight are called....factors.

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  6. According to charles eiton

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  7. Pyramid : Egypt: Ecological pyramids:

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  8. Kolleru lake dischares its water into the Bay of Bengal through the .....

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  9. In the year(1), the government of andhra pradesh, declared kolleru lak...

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  10. The Mercury,Arsenic and Lead in pesticides........

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  11. What are the climatic influences that determine the ecosystem ?

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  12. Observe the a and b statements. Producers are represented at the base...

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  13. Observe the a and b statements. In the pyramid of numbers, as we mov...

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  14. In pyramid of numbers, from the lower trophic level to higher trophic ...

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  15. Observe the a and b statements. Photosynthesis is an essentioa proces...

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  16. Consider the followin. It would be better to reduce the reproductive ...

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  17. Find out the consequence that occur due to destruction of grassoppers ...

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  18. Indiscriminate use of pesticides is a cause for 1) Killing of harmfu...

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  19. You observed fish in the industrial areas .Some of the followig heavy ...

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  20. Who is correct? Srinu: Elements are made up of atoms. Mohan: Atoms...

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