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Explain the evolutionary changes in ener...

Explain the evolutionary changes in energy releasing system.

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VGS PUBLICATION-BRILLIANT-RESPIRATION-EXERCISE
  1. Write a brief note on tracheal respiration in insects .

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  2. How do you appreciate the mechanism of respiration in our body ?

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  3. Explain the evolutionary changes in energy releasing system.

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  4. Describe the structure of human lungs with the help of a diagram

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  5. What is the definition given by Lavoisier for the 'element'?

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  6. Draw a neat labelled diagram of power house of a cell. What is the fun...

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  7. Label the parts for given diagram.

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  8. A student conducted an experiment in which he proved CO2 evolved in re...

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  9. In human respiratory system different stages are there beginning with ...

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  10. After learning this lesson, what precautions will you take to protect ...

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  11. In which process food is broken down for release of energy ?

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  12. From which language the word respiration came ?

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  13. What was the gas liberated on heating powdered charcoal in a bell jar ...

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  14. What gas is needed for combustion of substances ?

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  15. The air we breathe out is warmer than air because.

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  16. In an annual plant, exchange of gases takes place mainly through

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  17. Air is filtered in this part of respiratory system.

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  18. Name the muscular valve in the pharynx controls movement of air and fo...

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  19. From where do the single celled organisms get oxygen ?

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  20. Vocal cords are present in this part of respiration system

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