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State two laws of thermodynamics to expl...

State two laws of thermodynamics to explain flow of energy in an ecosystem.

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Energy flow in an ecosystem follows both the laws of thermodynamic . As per first law of thermodynamics, producers convert radiant energy of the sun into chemical energy of organic compounds which is used different forms in different metabolic functions. As per second law of thermodynamics, only 10% of energy available is transferred to next trophic level while most of energy is used to avoid increasing disorderness.
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MODERN PUBLICATION-ECOSYSTEM -REVISION EXERCISES (III. SHORT ANSWER TYPE - I QUESTIONS) (A. QUESTIONS FROM STATE BOARD EXAMINATIONS)
  1. Primary succession on the rocks is called xerosere. Answer the followi...

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  2. Draw a diagrammatic sketch of phosphorus cycle.

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  3. State two laws of thermodynamics to explain flow of energy in an ecosy...

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  4. What is food chain ? Draw a food chain.

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  5. What is Ecological efficiency ? Explain its significance ?

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  6. Explain the characteristics of food web.

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

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

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  9. Write four characteristics of food chain.

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

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

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  12. Name various biomes of India.

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

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

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

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

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

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  18. Differentiate between production and decomposition.

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

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

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