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Minerals and Energy Resources
Social Science · CBSE Class 10 · English Medium · 20 questions and answers
Sample questions
- Q: What is a mineral?
- A: A mineral is a homogenous, naturally occurring substance with a definable internal structure; minerals are found in varied forms in nature, ranging from the hardest diamond to the softest talc.
- Q: In what forms do minerals occur?
- A: Minerals generally occur in 'ores' in veins and lodes, in beds or layers (like coal), as alluvial deposits (placer deposits like gold), and in rocks.
- Q: How are minerals classified?
- A: Minerals are classified as metallic (ferrous like iron ore, non-ferrous like copper, and precious like gold) and non-metallic (like limestone, mica) and energy minerals (coal, petroleum).
- Q: What is a 'placer deposit'?
- A: Certain minerals occur as alluvial deposits in sands of valley floors and the base of hills; these deposits, generally of minerals not corroded by water like gold, silver, tin and platinum, are called placer deposits.
- Q: What are the major iron ore belts in India?
- A: The major iron ore belts are Odisha-Jharkhand belt, Durg-Bastar-Chandrapur belt (Chhattisgarh-Maharashtra), Bellary-Chitradurga-Chikmagalur-Tumkur belt (Karnataka), and Maharashtra-Goa belt.
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