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(a) Why is small intestine in herbivores...

(a) Why is small intestine in herbivores longer than in carnivores ?
(b) What causes movement of food inside the alimentary canal?

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Digestion of cellulose take a longer time. Therefore, herbivores eating grass need a longer small intestine to allow complete digestion of cellulose. Caenivourous animals cannot digest cellulose therefore, they have a shorter intestine.
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OSWAL PUBLICATION-LIFE PROCESSES- NCERT EXEMPLAR (SHORT ANSWER QUESTIONS) (NAME THE FOLLOWING :)
  1. Differentiate between an artery and a vein.

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  2. What are the adaptations of leaf for photosynthesis ?

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

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

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  5. What is the significance of emulsification of fats ?

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

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

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

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

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

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

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  12. Mention the major events during photosynthesis.

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  13. In each of the following situations what happens to the rate of photos...

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  14. Name the energy currency in the living organisms .When and where is it...

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  15. What is common for Cuscuta,ticks and leeches ?

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  16. Explain the role of mouth in digestion of food.

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  17. What are the functions of gastric glands present in the wall of the st...

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  18. Match the terms in Column (A) with those in Column (B)

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  19. Name the correct substrates for the following enzymes (a) Trypsin ...

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  20. Why do veins have thin walls as compared to arteries ?

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