Question : Metamorphic rocks originate from-
Option 1: igneous rocks
Option 2: sedimentary rocks
Option 3: both igneous and sedimentary rocks
Option 4: None of these.
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Correct Answer: both igneous and sedimentary rocks
Solution : The correct answer is both igneous and sedimentary rocks.
Metamorphic rocks are formed by the metamorphosis of the igneous or sedimentary rocks. In this process rocks are subjected to high temperature and pressure conditions inside the earth which leads to reorganisation of their molecule without altering their chemical character. In this texture and composition of the rock changes. Examples of metamorphic rocks are phyllite, schist, gneiss, quartzite and marble etc.
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Question : Marble comes under which category of rocks?
Option 1: Sedimentary
Option 2: Igneous
Option 3: Metamorphic
Option 4: None of these
Question : Which among the following rocks may contain fossils of plants, animals and other microorganisms that once lived on them?
Option 1: Metamorphic rocks
Option 2: Intrusive igneous rocks
Option 3: Sedimentary rocks
Option 4: Extrusive igneous rocks
Question : Which of the following is not a type of rock?
Option 1: Igneous rock
Option 2: Trace rock
Option 3: Metamorphic rock
Option 4: Sedimentary rock
Question : Dolomite is a/an
Option 1: sedimentary rock
Option 2: plutonic rock
Option 3: igneous rock
Option 4: metamorphic rock
Question : Select the false statement from the given options.
Option 1: Baikal rocks are formed from the dissolved materials that precipitate from the solution
Option 2: The sedimentary rocks are formed by the deposition and subsequent cementation of that material within bodies of water and at the surface of the earth
Option 3: Metamorphic rocks may be formed simply by being deep beneath the Earth’s surface, subjected to high temperatures and the great pressure of the rock layers above it
Option 4: Igneous rock is formed through the cooling and solidification of magma or lava
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