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State differences between grazing food c...

State differences between grazing food chain and detritus food chain.

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Define grazing food chain

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

Distinguish between (a) Grazing food chain and detritus food chain (b) Production and decomposition (c) Upright and inverted pyramid (d) Food chain and Food web (e) Litter and detritus (f) Primary and secondary productivity .

Food chain is

Food chain is

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.

MODERN PUBLICATION-ECOSYSTEM -REVISION EXERCISES (III. SHORT ANSWER TYPE - I QUESTIONS) (A. QUESTIONS FROM STATE BOARD EXAMINATIONS)
  1. Explain the characteristics of food web.

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  2. Write notes on : (i) Food chain (ii) Trophic level.

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  3. State differences between grazing food chain and detritus food chain.

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  4. Write four characteristics of food chain.

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  5. Nutrients are never lost from the ecosystems . Write about (a) Gaseous...

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  6. Ecological pyramids are usually upright. Meanwhile some pyramid of bio...

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  7. Name various biomes of India.

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  8. Why earthworms are referred to as Farmer's friends and what is the rol...

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  9. What do you mean by gaseous and sedimentary nutrient cycle ? Give an e...

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  10. Briefly explain 10% law of energy transfer in an ecosystem.

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  11. Draw a pyramid of biomass in a terrestrial habitat.

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  12. What is meant by ecological pyramid ? Name the different types of ecol...

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  13. Differentiate between production and decomposition.

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  14. Define productivity . Mention the two types of productivity.

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  15. What is ecological pyramid ? Draw the pyramid of numbers.

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  16. Write a short note on ecological succession on a bare rock.

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  17. Differentiate between primary and secondary succession. Provide one ex...

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  18. Why is pyramid of biomass in sea generally inverted ? Explain.

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  19. How do climatic factors affect process of decomposition in ecosystem ?...

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  20. Under what circumstances doe the secondary succession begin ? Why does...

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