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Why is it necessary to separate oxygenat...

Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds.

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Because mammals and birds need large amount of energy for their life processes.
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OSWAAL PUBLICATION-LIFE PROCESSES -NCERT CORNER ( INTEXT QUESTIONS )
  1. What criteria do we use to decide whether something is alive ?

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  2. What are the outside raw materials used for by an organism ?

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  3. What processes would you consider essential for maintaining life ?

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  4. What the differences between autotrophic nutrition and heterotrphic nu...

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  5. Where do plants get each of the raw materials required for photosynthe...

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  6. What is role of acid in our stomach ?

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  7. What is the function of digestive enzymes ?

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  8. How is small intestine designed to absorb digested food ?

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  9. What advantage over aquatic organism does a terreestrial organism have...

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  10. What are the different ways in which glucose is oxidised to provide en...

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  11. How is oxygen and carbon dioxide transported in human beings ?

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  12. How are the lungs designed in human beings to maximise the area for ex...

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  13. What are the components of the transport system in human beings ? What...

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  14. Why is it necessary to separate oxygenated and deoxygenated blood in m...

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  15. What are the components of the transport system in highly organised pl...

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  16. How are water and minerals transported in plants ?

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  17. How is food transported in plants ?

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  18. Describe the structure and functioning of nephrons.

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  19. What are the methods used by plants to get rid of excretory product ?

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  20. How is amount of urine produced regulated ?

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