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Why do fish die when taken out of water ...

Why do fish die when taken out of water ?

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Fishes are able to take dissolved oxygen in water through their gills. Gills are richly supplied with blood capillaries and can readily absorb oxygen dissolved in water but are not equipped to take in oxygen from air. Hence, when a fish is taken out of water, it is unable to inhale oxygen rich air and so dies quickly.
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OSWAL PUBLICATION-LIFE PROCESSES- NCERT EXEMPLAR (SHORT ANSWER QUESTIONS) (NAME THE FOLLOWING :)
  1. Two green plants are kept separately in oxygen free containers, one in...

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  2. If a plant is releasing carbon dioxide and taking in oxygen during th...

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  3. Why do fish die when taken out of water ?

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  4. Differentiate between an autotroph and a heterotroph.

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  5. Is 'nutrition a necessity for an organism ? Discuss.

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  6. What wuold happen if green plants disappear from earth ?

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  7. Leaves of a healthy potted plant were coated with vaseline . Will this...

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  8. How does aerobic respiration differ from anaerobic respiration ?

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  9. Match the words of cloumn (A) with that of Column (B)

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  10. Differentiate between an artery and a vein.

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  11. What are the adaptations of leaf for photosynthesis ?

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  12. (a) Why is small intestine in herbivores longer than in carnivores ? ...

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  13. What will happen if mucus is not secreted by the gastric glands ?

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  14. What is the significance of emulsification of fats ?

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  15. What causes movement of food inside the alimentary canal ?

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  16. Why does absorption of digested food occur mainly in the small intesti...

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  17. Match Group (A) with Group (B)

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  18. Why is the rate of breathing in aquatic organisms much faster than in ...

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  19. Why is blood circulation in human heart called double circulation?

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  20. What is the advantage of having four chambered heart?

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