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RRB Group-D Model Paper 11 with answers for online practice
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© examsnet.com
Question : 90
Total: 100
In the buccal cavity of human being, digestion of which one of the following get started?
Protein
Fat
Carbohydrates
None of the above
Validate
Solution:
The human digestive system consists of two parts, the alimentary canal, and the associated glands.
The mouth leads the food to be digested to the buccal cavity.
The buccal cavity has a number of teeth and a muscular tongue.
The uppermost part of the buccal cavity is called the palate.
The digestion of carbohydrates begins in the buccal cavity.
From the mouth, food reaches into the stomach through a food pipe called the esophagus.
There is no digestion inside the food pipe.
The digestion of fat begins in the stomach.
Lipase is the digestive enzyme of fat.
The digestion of protein occurs in the stomach and duodenum.
Pepsin is the digestive enzyme of protein.
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