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Which pyramid is always upright ? Why?...

Which pyramid is always upright ? Why?

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VGS PUBLICATION-BRILLIANT-OUR ENVIRONMENT-EXERCISE
  1. What determines the terrestrial ecosystem ?

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  2. Write a short note on food chain and food web.

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  3. Which pyramid is always upright ? Why?

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  4. Why anti sparrow army established in 1958 at china?

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  5. How did antisparrow army eradicated sparrows? Is it right decision?

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  6. Were the sparrows really responsible? What was the reason for the fall...

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  7. Explain in brief about the alternate methods to be followed to prevent...

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  8. Microbes can be used to decrease the use of chemical fertilisers and p...

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  9. In a grassland ecosystem, some students are trying to kill the grassho...

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  10. Write what friendly ecosystem activities you will conduct in you scho...

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  11. If we introduce a man into a forest ecosystem, at which level of food ...

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  12. "All the energy in the ecosystem in ultimately derived from sunlight."...

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  13. How sparrows are really helpful to farmers in china?

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  14. Complete the blanks. The entering of pollutants in a food chain is c...

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  15. Among the following pairs, in which one from first species to second s...

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  16. The continent without forests .

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  17. The correct sequence of a food chain. (A) PlanttoggrasshoppertoFrogt...

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  18. Identify the correct one from the following food chains.

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  19. The region of Biosphere reserve which is legally protected and where n...

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

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