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ICSE Class 6 Biology Question 16 of 16

Digestive System — Question 1

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Question

Question 1

Write True or False in the following statements.

  1. Molars help in cutting and tearing food.
  2. Carbohydrates are digested into glucose.
  3. Proteins are digested into fatty acids.
  4. Wisdom tooth appears at the age of 5-6 years when the child starts going to school.
  5. The temporary set of teeth includes incisors, canines and premolars only.
  6. The ducts from the salivary glands open into the duodenum.
  7. Saliva changes starch into maltose.
Answer

  1. False
    Reason — Molars help in finer crushing and grinding the food.

  2. True
    Reason — The end products of carbohydrate digestion are simple sugars (glucose & fructose) which can easily be absorbed in our blood system.

  3. False
    Reason — Proteins are digested into amino acid.

  4. False
    Reason — The wisdom tooth appears at the age of 17-20 years. In some people, however, wisdom teeth may not come out of the gums at all.

  5. False
    Reason — The temporary teeth consist of 20 teeth (8 incisors, 4 canines and 8 molars only).

  6. False
    Reason — The ducts from the salivary glands open into the mouth.

  7. True
    Reason — Saliva contains an enzyme called amylase which converts starch into maltose.