Solved UPSC CDS/OTA Question
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Q · Digestive Systemmedium · 45s
The longest part of the human alimentary canal is:
TopicDigestive System
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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The small intestine, measuring approximately 6 meters in length, comprises the duodenum, jejunum, and ileum. It is the primary site for digestion and absorption of nutrients due to its extensive surface area from villi and microvilli, which facilitate efficient uptake of digested macronutrients and micronutrients.
Final Answer: Option C - Small intestine