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Question
Starch digestion begins in
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Solution
The correct option is E Mouth
Digestion of starch by salivary amylase into maltose starts in the mouth. Oesophagus serves to push the food into stomach only. No digestion takes place here. Gastric juice of stomach digest the protein part of food but no absorption takes place. Pancreatic amylase also digests starch into maltose sugars. Intestinal maltase carries out final chemical digestion of maltose into glucose molecules. The simpler substances formed by chemical digestion are then absorbed by small intestinal villi. The Large intestine is the organ of water and salts reabsorption from undigested food and elimination of remaining undigested material out of the body. This makes option E correct answer.
Digestion of starch by salivary amylase into maltose starts in the mouth. Oesophagus serves to push the food into stomach only. No digestion takes place here. Gastric juice of stomach digest the protein part of food but no absorption takes place. Pancreatic amylase also digests starch into maltose sugars. Intestinal maltase carries out final chemical digestion of maltose into glucose molecules. The simpler substances formed by chemical digestion are then absorbed by small intestinal villi. The Large intestine is the organ of water and salts reabsorption from undigested food and elimination of remaining undigested material out of the body. This makes option E correct answer.
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