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Observe the following table showing diff...

Observe the following table showing different activities in the lake and thier influence.
People living in catchment area of Kolleru faced so many probles. Why?

A

Agricultural runoff of agrochemicals, fertilizers

B

Fish tank discharges

C

Municipal and domestic sewage

D

All the above

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VGS PUBLICATION-BRILLIANT-OUR ENVIRONMENT-EXERCISE
  1. Observe the following a and b statements : The number of organisms dec...

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  2. The bio accumulation of heavy metals into human being through food cau...

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  3. Match the following {:("List-I","LIst-II"),((A)NO(3)^(-)" ion in d...

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  4. What is the name of the aquatic weed that grown in lake kolleru in a g...

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  5. Observe the following table showing different activities in the lake a...

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  6. What measure would you take to prevent water-borne diseases?

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  7. Coniferous forest belongs to

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  8. How does the flow of acid rain into a river make the survival of aquat...

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  9. Man : Lungs , Frog :

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  10. Which of the following acts as a primary as well a secondary consumer ...

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  11. Example for non-biodegradable pesticide

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  12. Which of the followin is a secondary consumer in a grassland ecosystem...

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  13. Grassrarr Deer rarr TigerrarrThe rarr mark in the above food chain alw...

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  14. Ecosystem: Tansley:: Ecological Pyramid?

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  15. How the energy flows from producers to consumers in a food chain?

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  16. Ask your teacher about nuclear energy and its impacts on ecosystem.

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  17. What percent of energy loss can be observed at each tropic level?

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  18. How do you say that the flow of energy in the ecosystem is undirection...

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  19. If the energy available at tertiary consumer level is 20J in a food ch...

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  20. If the energy available at tertiary consumer level is 20J in a food ch...

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