Q1. [1] medium thorough-understanding
[mcq] Which of the following correctly pairs a mineral with both its mode of occurrence AND one of its major uses?
(A) Bauxite — formed in veins and lodes — used in making aluminium
(B) Mica — formed as placer deposits — used in electrical and electronic industries
(C) Copper — found in igneous and metamorphic rock veins — used in electrical cables and electronics
(D) Manganese — formed by evaporation of sea water — used in making steel and ferro-manganese alloy
- A Bauxite — formed in veins and lodes — used in electrical cables
- B Mica — formed as placer deposits — used in electrical and electronic industries
- C Copper — found in igneous and metamorphic rock veins — used in electrical cables and electronics
- D Gold — formed by decomposition and weathering of surface rocks — used in smelting iron
Generated by claude-sonnet-4-6 · 2026-06-26 13:35 · grounding rag
Model Answer
(C) Copper — found in igneous and metamorphic rock veins — used in electrical cables and electronics.
Explanation
The passage states that major metallic minerals like copper are obtained from veins and lodes in igneous and metamorphic rocks, and copper is "mainly used in electrical cables, electronics and chemical industries." Options A and B are incorrect pairings of mode of occurrence; D is wrong because manganese occurs in ocean bed nodules, not by evaporation. Only option C matches both mode of occurrence and use correctly.