AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
B — Refrigerated ships
Refrigerated ships allowed animals to be slaughtered in America, Australia or New Zealand and transported as frozen meat to Europe, reducing shipping costs and making meat affordable for the poor.
Source: Chapter 3, Section 2.2 – Role of Technology
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The passage explicitly states: "the development of a new technology, namely, refrigerated ships, which enabled the transport of perishable foods over long distances." Steam-powered ships and railways are mentioned as general innovations, but the specific technology for affordable meat transport was refrigeration. Examiners expect the exact term "refrigerated ships" for full marks.