Question 28 of 46
Q.Assertion (A): Large intestine also shows the presence of villi like small intestine.
Reason (R): Absorption of water takes place in large intestine.
(a) Both (A) and (R) are true and (R) is the correct explanation of (A).
(b) Both (A) and (R) are true but (R) is not the correct explanation of (A).
(c) (A) is true but (R) is false.
(d) (A) is false but (R) is true.
Puducherry TnboardTamil Nadu HSC First Year (DGE) Board 2020MCQ· 1mImportance★★★★★
61% · 28/46 Questions
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Start your 14-day free trial to unlock the full solution →The large intestine lacks villi (villi are a small-intestine feature for nutrient absorption); it does, however, absorb water from the undigested residue — so (A) is false but (R) is true, option (d).
Villi are finger-like projections of the mucosa that dramatically increase surface area for nutrient absorption, and they are a defining structural feature of the SMALL intestine (along with microvilli on each epithelial cell). The large intestine's mucosa is comparatively smooth, without villi, because its main jobs are different from the small intestine's:
- Assertion (A), "Large intestine also shows the presence of villi like small intestine," is FALSE — the large intestine does not possess villi. …
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