Q. Consider the following statements:

1. The small intestine is the site of the complete digestion of carbohydrates, proteins and fats.
2. Herbivores eating grass need a shorter small intestine to allow the cellulose to be digested whereas carnivores like tigers have a longer small intestine.

Which of the above is / are correct?
Answer: Only 1
Notes: The length of the small intestine differs in various animals depending on the food they eat. Herbivores eating grass need a longer small intestine to allow the cellulose to be digested. Meat is easier to digest, hence carnivores like tigers have a shorter small intestine.