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Question

Which of the following converts starch into maltose?


  1. amylase

  2. lipase

  3. bile

  4. HCl

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Solution

The correct option is A

amylase


The correct option is A.

Explanation of the correct option:

  • Starch is the polysaccharide carbohydrate molecule present in the food that is digested in the mouth. It is converted into the disaccharide unit maltose.
  • The enzyme responsible for starch digestion is salivary amylase released into the mouth cavity with saliva from the salivary gland.

Explanation of the incorrect options:

Option B:

  • Lipase enzyme does not digest starch. Instead, it digests fats present in the food.

Option C:

  • The bile helps in breaking fatty substances, not starch.

Option D:

  • Hydrochloric acid or HCl creates the acidic conditions in the stomach for breaking down protein molecules, not starch.

Therefore, the production of maltose from the starch occurs by amylase activity.


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