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Distinguish between the following : (a) ...

Distinguish between the following : (a) Grazing food chain and detritus food chain. (b) Abiotic and biotic components. (c) Net primary productivity and gross primary productivity.

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Distinguish between (a) Grazing food chain and detritus food chain (b) Production and decomposition

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Write a difference between net primary productivity and gross productivity

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Which one of the following shows detritus food chain?

PRADEEP-ECOSYSTEM-Long answer question
  1. What is a grassland ? How does it differ from savannah ?

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  2. Give the major characteristics of the desert.

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  3. Distinguish between the following : (a) Grazing food chain and detritu...

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  4. Distinguish between Food chain and food web.

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  5. List the major ecosystems (biomes) of the world.

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  6. Distinguish between autotrophs and heterotrophs. What role do they pla...

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  7. Name the two fundamental trophic levels and describe the general make ...

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  8. Explain the concept of food chain.

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  9. Depict diagrammatically a food web in any ecosystem. How many types of...

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  10. Define the term 'biome' and list the factors that determine the charac...

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  11. Name some man-made ecosystems. Describe one of these.

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  12. Discuss briefly the abiotic components of an ecosystem.

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  13. List the various terrestrial biomes. Describe any one of them.

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  14. Name the different aquatic biomes. Describe any one of these.

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  15. Explain the following terms-Plankton, Nekton, Benthos, Continental she...

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  16. Write a note on coral reefs.

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  17. Distinguish between : Gaseous and sedimentary types of nutrient cyclin...

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  18. How is the biosphere maintained ?

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  19. Explain the oxygen cycle in nature.

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  20. What is meant by the term 'cycles of matter' ? Explain the carbon or n...

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