Tag: earthquake and volcanoes

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Multiple choice geography volcanoes volcanism earthquake and volcanoes development of landforms earthquakes and volcanoes types and features of earthquakes and volcanoes

The liquid that flows out of a volcano is called ________.

  1. Lava

  2. Magma

  3. Mantle

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Lava is the molten rock expelled by a volcano during an eruption. A lava flow is a moving/outpouring of lava, which is created during a non-explosive effusive eruption. When it has stopped moving, lava solidifies to form igneous rock. The term lava flow is commonly shortened to lava. Although lava can be up to 100,000 times more viscous than water, lava can flow great distances before cooling and solidifying because of its thixotropic and shear thinning properties.

Multiple choice geography volcanoes volcanism earthquake and volcanoes development of landforms earthquakes and volcanoes types and features of earthquakes and volcanoes

Hot molten rock material inside the earth is called _____and after reacting the earth's surface, it is known as ________.

  1. Magma, lava

  2. Lava, magma

  3. Crater, magma

  4. Lava, crater
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Magma is an extremely hot liquid and semi-liquid rock located under Earth's surface. Earth has a layered structure that consists of the inner core, outer core, mantle, and crust. Much of the planet's mantle consists of magma. When magma flows or erupts onto Earth's surface, it is called lava.

Multiple choice geography volcanoes volcanism earthquake and volcanoes development of landforms earthquakes and volcanoes types and features of earthquakes and volcanoes

The Barren Island of Andaman in India is ______________.

  1. Extinct volcano

  2. Active volcano

  3. Dormant volcano

  4. Cinder cone volcano
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Barren Island is an island located in the Andaman Sea. It is the only confirmed active volcano in South Asia and the only active volcano along a chain of volcanoes from Sumatra to Myanmar.

Multiple choice geography our changing earth earthquake and volcanoes earthquake earthquakes

The ___________ is the point on the surface of the earth directly above the focus of the earthquake.

  1. Stress

  2. Fault lines

  3. Epicentre

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The epicenter is the point on the Earth's surface directly above the focus (or hypocenter) where the earthquake originates.

Multiple choice geography our changing earth earthquake and volcanoes earthquake earthquakes

Choose the odd one out.

  1. Cyclone

  2. Earthquake

  3. Seismograph

  4. Tsunami
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
In meteorology, a cyclone is a large scale air mass that rotates around a strong center of low atmospheric pressure. Cyclones are characterized by inward spiraling winds that rotate about a zone of low pressure
While seismograph is an instrument used to detect and record earthquakes. A tsunami is an earthquake in oceans.
Multiple choice geography our changing earth earthquake and volcanoes earthquake earthquakes

The severity of Earthquake is measured on ________________.

  1. richter scale

  2. rain gauze

  3. thermometer

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Richter magnitude scale was developed in 1935 by Charles F. Richter of the California Institute of Technology as a mathematical device to compare the size of earthquakes. The magnitude of an earthquake is determined from the logarithm of the amplitude of waves recorded by seismographs.

Multiple choice geography our changing earth earthquake and volcanoes earthquake earthquakes

Volcanic activities and seismic occurrences are __________.

  1. Interrelated

  2. Different

  3. Same

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
  • Volcanic activities refer to pouring out of hot magma from weak layers of the earth's crust while seismic occurrences are the shaking of the earth's crust due to the release of energy at plate boundaries. Both the phenomenon occur at the plate boundaries of the earth crust, and they draw energy from the same sources. Thus both are interrelated.
Multiple choice geography our changing earth earthquake and volcanoes earthquake earthquakes

An earthquake is a defined as a tremor below the surface of the earth which causes ______________.

  1. shaking of the crust

  2. shaking of the sea

  3. shaking of the mountain

  4. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An earthquake is a moment of tremor of the earth's crust. It originates naturally and below the surface. It sometimes causes a permanent change of level at the surface of the earth.