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In which country and cruel 'sparrow camp...

In which country and cruel 'sparrow campaign' took place in 1958 ?

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China.
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VGS PUBLICATION-BRILLIANT-OUR ENVIRONMENT-OUR CONCERN-PREPARATION QUESTIONS FOR THE EXAMINATION PURPOSE
  1. What are the water-borne disease common among the inhabitains of lake ...

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  2. what is respondible for 'minimata' disease?

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  3. In which country and cruel 'sparrow campaign' took place in 1958 ?

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  4. How do fossil fuels form?

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  5. What are the abiotic factors of ecosystem?

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  6. Name the metal which was bioaccumulated in liver, gills and kidney of ...

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

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

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  9. What happens if we remove primary consumers from a given food chain?

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  10. Whyshould we do rotation of crops?

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  11. "The ratio between energy flows at different tropic levels among the f...

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  12. In which country minimata disease was first discovered?

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  13. Name the fresh water lake of A.P which ws severely polluted due to hum...

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  14. Between october and march how many birds visit kolleru every year?

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  15. Who started "Operation Kolleru"?

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  16. What is the main objective of "operation Kolleru" ?

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  17. Suggest one alternative method in place of pesticides to protect crops...

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  18. By taking two plants of your surroundings as examples, explain how the...

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  19. What happens if decomposers are removed from the foodweb?

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  20. Observe the following gives below. Draw the pyramid of numbers. Gras...

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