HUMAN PHYSIOLOGY
DIGESTION AND ABSORPTION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
True
|
|
False
|
|
Either A or B
|
|
None of the above
|
Detailed explanation-1: -Final answer: The given answer is False.
Detailed explanation-2: -The digestion of starch starts in the mouth. Salivary amylase present in the saliva breaks down carbohydrates like starch into simpler units called maltose.
Detailed explanation-3: -It is a false statement, as the digestion of food begins in the mouth.
Detailed explanation-4: -Therefore, starch digestion takes place in the oral or the buccal cavity and the small intestine. Let us analyze the options to find out the correct option. Option A: Starch is not digested by amylase in stomach as the pH there is unsuitable for activity of amylase. Therefore, this is the correct option.
Detailed explanation-5: -In the mouth, stomach, and small intestine, starch is broken down. The enzymes carbohydrase and amylase are responsible for starch digestion. These enzymes can be found in the saliva. When we chew any food substance, it breaks down into sugar and begins to taste like perspiration.