Which one of the following pairs of food components in humans reaches the stomach totally undigested?

Which one of the following pairs of food components in humans reaches the stomach totally undigested?

Q. Which one of the following pairs of food components in humans reaches the stomach totally undigested?

A.            Protein and starch

B.            Starch and fat

C.            Fat and cellulose

D.            Starch and cellulose

Answer: Fat and cellulose

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