A rock formed by rapid cooling in water may show “pillow” shapes; it is usually A Granite pluton B Marble
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Chapter 5: Rocks (Set-2)
Which rock type generally forms a hard “crystalline mass” instead of layers? A Igneous crystalline rocks B Clastic sedimentary rocks
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Which group of rocks forms directly by cooling of molten material? A Sedimentary rocks B Igneous rocks C Metamorphic rocks
Continue readingChapter 4: Endogenic Processes and Landform Development (Set-5)
The “double seismic zone” in some subduction areas mainly suggests A Two ocean currents B Two wind belts C Two
Continue readingChapter 4: Endogenic Processes and Landform Development (Set-4)
The sloping plane of earthquakes in a subduction zone is called A Benioff zone B Rift zone C Fold axis
Continue readingChapter 4: Endogenic Processes and Landform Development (Set-3)
An earthquake focus at 450 km depth is classified as A Shallow-focus B Intermediate-focus C Surface-focus D Deep-focus Explanation Earthquakes
Continue readingChapter 4: Endogenic Processes and Landform Development (Set-2)
The depth of an earthquake’s focus is called A Wave length B Crust height C Focal depth D Ridge depth
Continue readingChapter 4: Endogenic Processes and Landform Development (Set-1)
Which instrument records earthquake waves? A Barometer B Thermometer C Seismograph D Hygrometer Explanation A seismograph records ground vibrations produced
Continue readingChapter 3: Earth’s Interior and Plate Movements (Set-5)
The sharp drop in S-wave velocity just below the lithosphere is called the A Shadow zone B Moho jump C
Continue readingChapter 3: Earth’s Interior and Plate Movements (Set-4)
The “S-wave shadow” beyond the core mainly indicates the core’s A Solid nature B Granitic rocks C Liquid portion D
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