Which Indian mineral resource term is correctly associated with important geographical fact “it is used for power, fertilizer manufacture, industry and household fuel”, and also with “a gaseous fossil fuel composed mainly of methane”?

Correct Answer: Option D — Natural Gas. Natural Gas is correctly identified as it is used for power, fertilizer manufacture, industry and household fuel. Natural Gas is also associated with a gaseous fossil fuel composed mainly of methane. Another identifying fact about Natural Gas is that the Krishna-Godavari basin and western offshore region are important associations. A further exam-relevant fact about Natural Gas is that it is used for power, fertilizer manufacture, industry and household fuel. Why the other options are incorrect: • Option A — Iron Ore: Iron Ore is beneficiation may improve ore quality before metallurgical use. It is incorrect here because Iron Ore is instead associated with a metallic mineral resource used chiefly for making iron and steel. • Option B — Manganese Ore: Manganese Ore is it is also used in batteries and certain chemical industries. It is incorrect here because Manganese Ore is instead associated with a metallic mineral important in steel and alloy manufacture. • Option C — Bauxite: Bauxite is alumina is extracted from bauxite before electrolytic aluminium smelting. It is incorrect here because Bauxite is instead associated with the principal ore used for aluminium production. Exam Takeaway: Connect Natural Gas with “it is used for power, fertilizer manufacture, industry and household fuel” and “a gaseous fossil fuel composed mainly of methane” for revision.