AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
The three natural mediums through which transport links are developed are land, water, and air.
Source: Chapter 7, Introduction
The passage directly states that movement of goods and services takes place over "three important domains of our earth i.e. land, water and air." This is a straightforward 1-mark recall question — just name the three mediums. No elaboration is needed.