AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
The finger-like projections on the inner lining of the small intestine are called villi. They increase the surface area for absorption of digested food into the bloodstream.
Source: Life Processes, Section 5.2.4
The examiner expects the term villi (singular: villus) — this is the key word that fetches the mark. Mentioning their function (increasing surface area for absorption) completes the one-line answer. Do not confuse villi with microvilli; at Class 10 level, "villi" is the required term.