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Social Science (087) — AI-generated practice question

AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.

Q1. [2] straightforward exam-ready
What is lignite coal? Where are its principal reserves found in India, and for what purpose are they used?
Generated by claude-sonnet-4-6 · 2026-06-26 13:33 · grounding rag
Model Answer

Lignite is a low grade brown coal which is soft with high moisture content. Its principal reserves are found in Neyveli in Tamil Nadu. These reserves are used for the generation of electricity.

Source: Conventional Sources of Energy, Chapter 5

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Explanation

This is a straight definition + location + use question. Examiners expect three things in a 2-mark answer: (1) the definition of lignite, (2) its location (Neyveli, Tamil Nadu), and (3) its use (electricity generation). Do not confuse lignite with bituminous or anthracite coal. Stick strictly to what the passage states — no extra detail needed.

Previous-year CBSE Grade 10 board exam questions, organised by subject and chapter, each with a model answer — free to read and print.