Tag: rocks and rock types

Questions Related to rocks and rock types

Which of the following is called 'Primary rocks'?

geography rocks and rock cycle lithosphere and asthenosphere rocks and rock types introduction to rocks, volcanoes and earthquakes

  1. Metamorphic rocks

  2. Sedimentary rocks

  3. Igneous rocks

  4. Stratified rocks

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Correct Option: C
Explanation:

Igneous rocks begin the rock cycle, and are therefore called primary rocks. Two major divisions include- volcanic or extrusive rocks that form when magma is ejected from the Earth's crust, and intrusive rocks, which are created below the surface.

Marble is a metamorphic rock. It is formed by the alteration of _________.

geography rocks and rock cycle lithosphere and asthenosphere rocks and rock types introduction to rocks, volcanoes and earthquakes

  1. granite

  2. coal

  3. graphite

  4. limestone

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Correct Option: D

The precious stones line sapphire, ruby, emerald and diamonds are found in ______________ rocks.

geography rocks and rock cycle lithosphere and asthenosphere rocks and rock types introduction to rocks, volcanoes and earthquakes

  1. chemical sedimentary rocks

  2. metamorphic rocks

  3. igneous rocks

  4. none of these


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Correct Option: B

Which one of the landforms is caused by the winds?

geography rocks and rock cycle lithosphere and asthenosphere rocks and rock types introduction to rocks, volcanoes and earthquakes

  1. Sinkholes

  2. Mushroom rock

  3. Lapies

  4. Headland

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Correct Option: B
Explanation:

The rocks having a broad upper part and narrow base resembling an umbrella or mushroom are called mushroom rocks. Mushroom rocks are curved by the erosional work of winds. 

Granite is found in ______________.

geography rocks and rock cycle lithosphere and asthenosphere rocks and rock types introduction to rocks, volcanoes and earthquakes

  1. Igneous rocks

  2. Sedimentary rocks

  3. Metamorphic rocks

  4. Aqueous rocks

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Correct Option: A
Explanation:
  • Granite rock is formed from the cooling of lava so it is found as an igneous rock. Hence option A is correct.
  • Rest options are of different category of rocks.

Quartzite is an example of _________.

geography rocks and rock cycle lithosphere and asthenosphere rocks and rock types introduction to rocks, volcanoes and earthquakes

  1. igneous rock

  2. sedimentary rocks

  3. metamorphic rocks

  4. none of these

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Correct Option: C
Explanation:

Quartzite is a metamorphic rock that is formed by interlocking quartz grains from quartz sandstone. The rock is hard rock, nonfoliated.

Name the rock which is used for making jewellery.

geography rocks and rock cycle lithosphere and asthenosphere rocks and rock types introduction to rocks, volcanoes and earthquakes

  1. Shale

  2. Pumice

  3. Obsidian

  4. Granite

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Correct Option: D
Explanation:

Granite is a light-colored igneous rock. It is composed mainly of quartz and feldspar with a little amount of mica, amphiboles and other minerals. Granite is the world's toughest substance and is used in jewelry making. As few granites are rare and extremely beautiful. They are used as gemstones. Example of granite- blue tint found in the Himalayas etc.

Process of transformation of existing rocks is known as_________.

geography rocks and rock cycle lithosphere and asthenosphere rocks and rock types introduction to rocks, volcanoes and earthquakes

  1. metamorphism

  2. hypabyssal

  3. abyssalism

  4. all of above

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Correct Option: A
Explanation:

The process of transformation of existing rocks is known to be metamorphism.

Which of the following is formed when lava cools on the earth's surface?

geography rocks and rock cycle lithosphere and asthenosphere rocks and rock types introduction to rocks, volcanoes and earthquakes

  1. Basalt

  2. Granite

  3. Pumice

  4. All of the above

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Correct Option: A
Explanation:

Basalt is formed when lava cools on the earth's surface.
Granite is formed when magma cools below the surface of earth.
Pumice is formed by cooling of froth lava on the surface.

Marble is a _________ rocks.

geography rocks and rock cycle lithosphere and asthenosphere rocks and rock types introduction to rocks, volcanoes and earthquakes

  1. metamorphic

  2. igneous

  3. sedimentary

  4. limestone

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Correct Option: A
Explanation:

Marble is formed from the sedimentary rocks. It is also used in making statues.