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Why herbivores have a longer small intestine

The same question, asked 3 times: 2024*, 2025*, 2026. Every wording below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    2024

    22
    (i) Give reason why herbivorous animals have longer, small intestine than carnivorous animals ? (ii) Although ‘Pepsin’ and ‘Trypsin’ are both protein digesting enzymes yet they differ from each other. Justify this statement by giving one difference between them.
  2. Question 2

    2025

    35 (a)
    (i) “The length of the small intestine in various animals depends on the food they eat.” Justify the statement. (ii) Discuss the role of the pancreas and bile juice in the digestion of food in human beings. (iii) How is the small intestine designed to absorb digested food ?
  3. Question 3

    2026

    14
    Give reasons for the following : (a) Herbivores have a longer small intestine. (b) Inner lining of small intestine has numerous finger-like projections. (c) Rate of breathing in aquatic organisms is much faster than that in terrestrial organisms.