Tag: the earth's structure

Questions Related to the earth's structure

What is the reason for the Troposphere to be at a greater height at the Equator?

geography what is around us? atmosphere and its structures the atmosphere components of earth elements of weather and climate : temperature the earth's structure

  1. Conventional currents

  2. Conduction

  3. Terrestrial radiation

  4. All of above

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Correct Option: A

Layer where the atmosphere thins out and merges with interplanetary space is called ______________.

geography what is around us? atmosphere and its structures the atmosphere components of earth elements of weather and climate : temperature the earth's structure

  1. Mesosphere

  2. Ionosphere

  3. Troposphere

  4. Exosphere

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Correct Option: D
Explanation:

Layer where the atmosphere thins out and merges with interplanetary space is called exosphere. Exosphere is the outermost layer of the Earth's atmosphere. It extends from about 600 km until it thins out to merge with interplanetary space. Due to this, exosphere is about 10,000 km or 6,200 miles thick or about as wide as the Earth. The top boundary of Earth's exosphere extends about halfway to the Moon.

In which layer of the atmosphere all the weather and climate phenomenon take place?

geography what is around us? atmosphere and its structures the atmosphere components of earth elements of weather and climate : temperature the earth's structure

  1. Mesosphere

  2. Thermosphere

  3. Troposphere

  4. Stratosphere

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Correct Option: C
Explanation:

Troposphere,

The troposphere is the lowermost layer of the Earth's atmosphere. Most of the weather phenomena, systems, convection, turbulence and clouds occur in this layer, although some may extend into the lower portion of the stratosphere. 

The troposphere contains almost all the atmospheric water vapour, in fact it contains about 70 to 80 per cent of the total mass of the Earth's atmosphere and 99 per cent of the water vapor. Temperature and water vapor content in the troposphere decrease rapidly with altitude and thus most of the water vapour in the troposphere is concentrated in the lower, warmer zone. Water vapor concentrations vary with latitude. They are greatest above the tropics and decrease toward the polar regions.

The altitudes/height of heavenly bodies appears to be greater than they actually are. This is due to ____________________.

evs - i what is around us? atmosphere and its structures the atmosphere components of earth elements of weather and climate : temperature the earth's structure

  1. Vertical motion of these heavenly bodies

  2. Motions of the earth

  3. Atmospheric refraction

  4. These are visible because of light of the sun reflected from their surface

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Correct Option: C
Explanation:
Atmospheric refraction
When sunlight enters the earth's atmosphere, it continuously goes from rarer to the denser medium and hence refraction of light takes place. The refraction of light taking place in the atmosphere is known as atmospheric refraction. 

Since many years, oxygen parlours has been in existence in _______.

geography what is around us? atmosphere and its structures the atmosphere components of earth elements of weather and climate : temperature the earth's structure

  1. India

  2. France

  3. Japan

  4. Malaysia

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Correct Option: C
Explanation:

Since many years, oxygen parlours has been in existence in Japan.
An oxygen bar or parlour is an establishment, or part of one, that sells oxygen for recreational use. Individual flavored scents may be added to enhance the experience. The flavors in an oxygen bar come from bubbling oxygen through bottles containing aromatic solutions before it reaches the nostrils. Most bars use food-grade particles to produce the scent, but some bars use aroma oils.

Which part of the atmosphere is called homosphere?

geography what is around us? atmosphere and its structures the atmosphere components of earth elements of weather and climate : temperature the earth's structure

  1. Atmosphere up to 70 km from the surface of the earth

  2. Atmosphere up to 80 km from the surface of the earth

  3. Atmosphere up to 90 km from the surface of the earth

  4. Atmosphere up to 110 km from the surface of the earth

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Correct Option: C
Explanation:
 Atmosphere up to 90 km from the surface of the earth
Homosphere can be defined as the lowest part of the Earth’s atmosphere. It lies between the heterosphere and the surface of the earth. It is the earth’s atmosphere below the altitude of roughly 80 kms where there is an almost-homogenous composition of nitrogen (78%), oxygen (21%), argon (10%), carbon dioxide as well as traces of constituents like dust particles, aerosols and cloud droplets.

Description: The Earth’s atmosphere has two major zones or segments – homosphere and heterosphere. The homosphere is the lower segment of the two-part division of atmosphere and further consists of three regions namely troposphere, stratosphere and mesosphere. All the three regions have the same composition of air. However, the concentration of air keeps decreasing significantly as the altitude increases. 

The part of the atmosphere above the 90 km from the earth is called ________.

geography what is around us? atmosphere and its structures the atmosphere components of earth elements of weather and climate : temperature the earth's structure

  1. homosphere

  2. heterosphere

  3. ozone layer

  4. mesosphere

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Correct Option: B
Explanation:

The heterosphere is the upper portion of the Earth's atmosphere, in which gases are fractionated according to their molecular weight. It lies above the homosphere, where chemical constituents are well mixed. On average the heterosphere begins at an altitude of about 80 km.

Consider the following statements-
(a) Alluvial soil are formed by sediments deposited by rivers.
(b) Black soil is found in the dry and Semi-dry areas of Rajasthan and Gujarat.
(c) Red soil cannnot retain much moisture. 
(d) Laterite soil is found over lava deposits in the Deccan.
Which of the above statements are correct?

geography what is around us? atmosphere and its structures the atmosphere components of earth elements of weather and climate : temperature the earth's structure

  1. (a),(b) and (c)

  2. (a) and (c)

  3. (b) and (d)

  4. None of them

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Correct Option: B
Explanation:
  • Alluvial Soils are formed by the deposition of silt by the rivers. 
  • The black soil is formed in the Deccan region on account of climatic conditions here and the basalt rock which is the parent rock for this soil is also an important factor for the formation of black soil. Black soil is sticky and possesses high moisture retention capacity. 
  • The main reason for laterite soils formation is due to intense leaching. Leaching happens due to high tropical rains and high temperatures. As a result of high rainfall, lime and silica are leached away, and soils rich in iron oxide and aluminum compound are left behind.

In which state, terrace farming is practised?

geography what is around us? atmosphere and its structures the atmosphere components of earth elements of weather and climate : temperature the earth's structure

  1. Punjab

  2. Haryana

  3. Plains of Uttar Pradesh

  4. Jammu and Kashmir

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Correct Option: D
Explanation:

Terrace farming is a type of farming that was developed first by the Indian people. This method of farming uses steps called andenes that are built into the side of a mountain or hill.

In the lower parts of the stratosphere, there is no change in temperature with altitude. This zone is called ________.

geography what is around us? atmosphere and its structures the atmosphere components of earth elements of weather and climate : temperature the earth's structure

  1. Thermosphere

  2. Isothermal Zone

  3. Ozone layer

  4. Ionosphere

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Correct Option: B
Explanation:

In the lower parts of the stratosphere, there is no change in temperature with altitude. This zone is called isothermal zone
An isothermal layer is defined as a vertical column of air having a constant temperature with height. Isothermal layers often occur in the low levels of the troposphere during a differential advection situation.