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Interior of the Earth

Interior of the Earth, Geography, XI

20 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following statements is/are correct?

  1. Scientists world over are working on two major projects, such as “Deep Ocean Drilling Project” and “Integrated Ocean Drilling Project”.
  2. The deepest drill at Kola, in Arctic Ocean has so far reached a depth of 12 km.
  3. It is difficult to ascertain the depth of the source of magma from the volcanic eruptions.
  4. Both 1 and 3
  5. Both 1, 2 and 3
Question 2 Multiple Choice (Single Answer)

Which of the following are the types of Earthquake waves?
a. Body waves
b. Surface waves
c. Magnetic waves

  1. Only a
  2. Only b
  3. Only c
  4. Only a and b
  5. All of these
Question 3 Multiple Choice (Single Answer)

Which of the following is correct about Lithosphere?

  1. The crust and the uppermost part of the mantle is called lithosphere.
  2. The thickness of the lithosphere ranges upto 400 km.
  3. The upper portion of the mantle is called lithosphere.
  4. Both 1 and 2
  5. Both 2 and 3
Question 4 Multiple Choice (Single Answer)

The point where the energy is released is called the __________ of an earthquake.

  1. epicentre
  2. hypocentre
  3. gravity anomaly
  4. focus
  5. both 2 and 4
Question 5 Multiple Choice (Single Answer)

Which of the following statements is/are correct about earthquakes?
a. P-waves vibrate parallel to the direction of the wave.
b. The S-waves are similar to sound waves, they travel through gaseous, liquid and solid materials.
c. The P-waves arrive at the surface with some time lag.

  1. Only a
  2. Only b
  3. Only c
  4. Only a and b
  5. All of these
Question 6 Multiple Choice (Single Answer)

Analysis of properties of matter indirectly provides information about the interior. Which of the following options is not classified as indirect sources of information regarding the interiors of the Earth?

  1. Mining activity
  2. Meteors
  3. Gravitation
  4. Magnetic field
  5. Seismic activity
Question 7 Multiple Choice (Single Answer)

Which of the following is incorrect?

  1. The study of seismic waves provides a complete picture of the layered interior.
  2. An earthquake is caused due to release of energy, which generates waves that travel in all directions.
  3. The release of energy is due to a fault that is a sharp break in the crustal rocks.
  4. Rocks along a fault tend to move towards each other due to magnetic forces.
  5. The energy waves during an earthquake travel in all directions.
Question 8 Multiple Choice (Single Answer)

The direction of vibrations of S-waves

  1. is perpendicular to the wave direction in the vertical plane
  2. is parallel to the direction of the wave
  3. changes as they travel through materials with different densities
  4. causes a larger shadow zone that is a little over 40 per cent of the earth surface
  5. interacts with the surface rocks and generates a new set of waves called body waves
Question 9 Multiple Choice (Single Answer)

Which of the following is the most common type of earthquake and is generated due to sliding of rocks along a fault plane?

  1. Collapse earthquake
  2. Volcanic earthquake
  3. Tectonic earthquake
  4. Reservoir induced earthquake
  5. Explosion earthquake
Question 10 Multiple Choice (Single Answer)

Which of the following is the incorrect statement about the Crust?

  1. The Crust is the outermost solid part of the earth.
  2. It is brittle in nature.
  3. The thickness of the crust varies under the oceanic and continental areas.
  4. Oceanic crust is thicker as compared to the continental crust.
  5. The type of rock found in the oceanic crust is basalt.
Question 11 Multiple Choice (Single Answer)

Which of the following is correct about a volcano?
a. The molten rock materials find their way to the surface from the lithosphere.
b. The material in the upper mantle portion is called magma.
c. Once the magma starts moving towards the crust or it reaches the surface, it is referred to as lava.

  1. Only a
  2. Only b
  3. Only c
  4. All of these
  5. Only b and c
Question 12 Multiple Choice (Single Answer)

Which of the following statements is/are incorrect?
a. Tsunami is an oceanic earthquake.
b. The effect of tsunami would occur only if the epicentre of the tremor is below oceanic waters and the magnitude is sufficiently high.
c. The effects of an earthquake are devastating provided the magnitude of the quake is more than 5 on the Richter scale.

  1. Only a
  2. Only b
  3. Only c
  4. Only b and c
  5. All of these
Question 13 Multiple Choice (Single Answer)

Which of the following statements is correct?

  1. The outer core is in a solid state while the inner core is in a liquid state.
  2. The core is made up of very heavy material mostly constituted by nickel and iron.
  3. The centre of the earth is at 5,300 km.
  4. Both 1, 2 and 3 are all correct.
  5. Both 1, 2 and 3 are all incorrect.
Question 14 Multiple Choice (Single Answer)

Which of these volcanoes erupts in the form of a fountain and forms a cinder cone?

  1. Composite volcanoes
  2. Shield volcanoes
  3. Caldera volcanoes
  4. Flood Basalt Provinces
  5. Mid ocean ridge volcanoes
Question 15 Multiple Choice (Single Answer)

Which of the following are the most commonly found intrusive volcanic landforms in the western Maharashtra area?

  1. Lacoliths
  2. Lapoliths
  3. Sheets
  4. Dykes
  5. Sills
Question 16 Multiple Choice (Single Answer)

Which of the following is the correctly matched?

  1. Shield volcanoes - Largest in the world
  2. Tectonic earthquakes - Explosion of chemical or nuclear devices
  3. The Crust - 70 km thick in theHimalayan region.
  4. The mantle - Referred to as the nife layer
  5. Lacoliths - Formed by lava solidified almost perpendicular to the ground
Question 17 Multiple Choice (Single Answer)

The Deccan Traps from India, presently covering most of the Maharashtra plateau is an example of which of the following types of Volcanoes?

  1. Shield Volcanoes
  2. Composite Volcanoes
  3. Mid-Ocean Ridge Volcanoes
  4. Flood Basalt Provinces
  5. Caldera volcanoes
Question 18 Multiple Choice (Single Answer)

Which of the following statements is/are correct?
a. The portion of the interior beyond the crust is called the mantle.
b. The upper portion of the mantle is called the asthenosphere.
c. It is the main source of magma that finds its way to the surface during volcanic eruptions.

  1. Only a
  2. Only b
  3. Only c
  4. Only a and b
  5. All of these
Question 19 Multiple Choice (Single Answer)

Which of the following is the cooled portion of magma chambers, that cools in the deeper depth of the crust and develops in the form of large granitic domes?

  1. Batholiths
  2. Lacoliths
  3. Lapolith
  4. Phacolith
  5. Sills
Question 20 Multiple Choice (Single Answer)

Which of the following statements is/are correct?
a. The lava that is released during volcanic eruptions on cooling develops into igneous rocks.
b. If the lava cools at the surface they are called volcanic rocks.
c. If the lava cools in the crust it is called plutonic rocks.

  1. Only a
  2. Only b
  3. Only c
  4. All of these
  5. Only b and c
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