NEET Biology question

Not in NEET syllabus

If the inner surface of the ileum in the human small intestine was smooth, rather than being folded and subdivided into villi, which of the following statements would be true?

(A)The rate of
(B)Digestion would not absorption of be as effective, digested food because there would molecules would be be fewer cells higher, because the secreting trypsin (a digested food would protein digesting pass more easily enzyme) through the digestive tract
(C)Humans would haveCorrect
(D)Humans would not be needed to evolve a able to survive, much longer small because the digestive intestine to absorb tract would be more sufficient nutrients susceptible to from their food damage

Answer: (C)

Solution

The absorptive surface of small intestinal mucosa have many folds, which increase its surface area. Also located on epithelial surface of small intestine are millions of small villi. Intestinal epithelial cell on each villus

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Question ID VK-115107