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(a) Why is diffusion insufficient to mee...

(a) Why is diffusion insufficient to meet the oxygen requirements of large multicellular organisms like humans?
(b) What type of arrangement exists in the bodies of large animals to meet their oxygen requirements adequately ?
(c) What advantage a terrestrial animal has over an quantic animal with regard to obtaining oxygen for respiration?

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Why is diffusion insufficient to meet the oxygen requirements of multicelluar organisms like humans?

What advantage over an aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration?

What advantage over an aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration?

LAKHMIR SINGH & MANJIT KAUR-LIFE PROCESSES-Exercise
  1. (a) Give the main points of difference between respiration in plants a...

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  2. (a) ''Respiration is a vital function of the body''. Justify this stat...

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  3. (a) Why is diffusion insufficient to meet the oxygen requirements of l...

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  4. Which of the following is not produced during anaerobic respiration in...

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  5. One of the following organisms can live without oxygen of air. This or...

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  6. During respiration exchange of gases take place in

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  7. In one of the following organisms, the gaseous exchange during repirat...

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  8. Which of the following is correct for the process of anaerobic respira...

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  9. Which of the following increase in muscle cells when they are lacking ...

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  10. Internal respiration may be defined as:

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  11. When air is blown from mouth into a test - tube containing lime water,...

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  12. Which is the correct sequence of air passage during inhalation?

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  13. Lack of oxygen in muscles often leads to cramps among cricketers. This...

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  14. Which of the following statements (s) is (are) correct ? (i) Pyruv...

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  15. Which of the following statements are true about respiration ? (i) d...

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  16. Energy currency (reservior) of the cells is

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  17. The two organisms which breathe only through their moist skin are

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  18. One of the following animals does not use tracheae as the respiratory ...

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  19. The pholosynthesis in a plant is not taking place during the day time ...

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  20. The breathing and respiration in woody stem of a plant takes place thr...

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