Tag: our world

Questions Related to our world

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The innermost layer of the earth is?

geography inside our earth the earth's structure structure of the earth our world components of earth earth and structure

  1. Crust

  2. Core

  3. Mantle

  4. None of the above

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Correct Option: B
Explanation:

The innermost layer of the earth is known as the core. It is divided into inner core and outer core. It comprises of a high concentration of nickel and iron.

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The thinnest layer of the earth is?

geography inside our earth the earth's structure structure of the earth our world components of earth earth and structure

  1. Crust

  2. Mantle

  3. Core

  4. None of the above

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Correct Option: A
Explanation:

The thinnest layer of the earth is Crust.
The Earth can be divided into four main layers: the solid crust on the outside, the mantle, the outer core and the inner core. Out of them, the crust is the thinnest layer of the Earth, amounting for less than 1% of our planet's volume.

Which of the following phenomenon gives an evidence for the spherical shape of the earth?

geography inside our earth the earth's structure structure of the earth our world components of earth earth and structure

  1. Solar eclipse

  2. Lunar eclipse

  3. Revolution

  4. Rotation of Earth

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Correct Option: B

The main radius of the earth is approximately ____________.

geography inside our earth the earth's structure structure of the earth our world components of earth earth and structure

  1. 3200 Km

  2. 6400 Km

  3. 9600 Km

  4. 12800 Km

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Correct Option: B

Wearing down of top soil is called _________.

geography inside our earth the earth's structure structure of the earth our world components of earth earth and structure

  1. Washing

  2. Erosion

  3. Corrosion

  4. Denundation

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Correct Option: B
Explanation:

B. Erosion

Soil erosion is defined as the wearing away of topsoil. Topsoil is the top layer of soil and is the most fertile because it contains the most organic, nutrient-rich materials. One of the main causes of soil erosion is water erosion, which is the loss of topsoil due to water.

Which of the following is responsible for the movement of plates?

geography inside our earth the earth's structure structure of the earth our world components of earth earth and structure

  1. The rust and the mantle are composed in different ways.

  2. They are convered by the oceanic crust far exceeds that of the continental crust.

  3. The inner core is solid through its temperature exceeds that of the outer and the mantle.

  4. There is huge temperature difference between the top bottom the mantle.

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Correct Option: D

Which of the following is found most abundantly in the earth crust?

geography inside our earth the earth's structure structure of the earth our world components of earth earth and structure

  1. Carbon

  2. Iron

  3. Silica

  4. Calcium

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Correct Option: C

What is Graticule?

geography inside our earth the earth's structure structure of the earth our world components of earth earth and structure

  1. The difference between the local time and the standard time of a place

  2. The difference between the standard time of a place and the G.M.T.

  3. The latitudinal and longitudinal extent of a country or an island

  4. The complete network of parallels and meridians on the earth

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Correct Option: D

Natural satellite of the earth is ___________.

geography inside our earth the earth's structure structure of the earth our world components of earth earth and structure

  1. Moon

  2. Sputnik

  3. Aryabhatta

  4. Rohini

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Correct Option: A
Explanation:

According to astronomy, a relatively small body that revolves around a planet is termed a satellite. Moon is the single natural satellite of earth as it revolves around the earth. 

Layer of gases around the earth is called __________.

geography inside our earth the earth's structure structure of the earth our world components of earth earth and structure

  1. lithosphere

  2. hydrosphere

  3. atmosphere

  4. stratosphere

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Correct Option: C
Explanation:

C. Atmosphere

The thin layer of gases surrounding the earth is called the atmosphere. Earth's atmosphere is separated into five layers known as the troposphere, stratosphere, mesosphere, ionosphere and exosphere.