UPSSSC PET 2025 (6 Sept Shift 1)
Which type of rock formation is most commonly associated with low groundwater storage ?
Answer (Detailed Solution Below)View answer ▾Hide ▴
Answer: Option C — Igneous and metamorphic rocks
Detailed Solution
Igneous and metamorphic rocks are hard and crystalline with very low porosity, so they store little groundwater except in cracks. Sedimentary rocks and alluvium are good aquifers.
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Earth: Structure, Rocks & Landforms — UPSSSC PET Preparation
This question tests your understanding of Earth: Structure, Rocks & Landforms, a key topic in the UPSSSC PET General Knowledge section. The detailed solution above uses a step-by-step approach to show the reasoning, and where available, a shortcut that helps you solve similar questions in under 90 seconds during the actual exam.
This topic covers the interior of the Earth (crust, mantle and core), types of rocks, plate tectonics and continental drift, earthquakes and volcanoes, and the landforms created by rivers, glaciers, wind and waves. Questions frequently ask about the layers of the Earth and their discontinuities, the three types of rocks (igneous, sedimentary and metamorphic), the Pacific 'Ring of Fire', and which agent forms which landform, such as river meanders and oxbow lakes or glacial cirques and moraines. Alfred Wegener proposed the continental drift theory in 1912. Practise the Earth's structure and landforms questions below, written in the style of the general awareness sections of exams such as SSC, banking, railways, CUET GAT, MAH CET and CLAT. Each question comes with a detailed explanation that adds related facts, so every question helps you revise more than one point.