| Column-I | Column-II | ||
| A. | Mouth | I. | Reclaims water and salts. |
| B. | Stomach | II. | Carries out most of the digestion and absorption of nutrients. |
| C. | Small intestine | III. | Releases amylase enzyme that break down carbohydrates. |
| D. | Large intestine | IV. | An acidic compartment that begins to break proteins into larger polypeptides. |
A) A-I; B-II; C-III; D-IV
B) A-III; B-IV; C-II; D-I
C) A-II; B-III; C-I; D-IV
D) A-IV; B-I; C-II; D-III
Correct Answer: B
Solution :
[b] Mouth releases saliva (secreted from salivary glands) containing salivary amylase enzyme that breaks down carbohydrates. Stomach is the most distensible and widest organ of the alimentary canal. It is an acidic environment where digestion of protein takes place (by breaking proteins into larger polypeptides). Small intestine carries out most of the digestion and absorption of nutrients. Large intestine reclaims water and salts.
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