Tag: elements of weather and climate : temperature

Questions Related to elements of weather and climate : temperature

State whether these sentences are true (T) or false (F).
The atmosphere is composed mainly of nitrogen and oxygen.

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. True

  2. False

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Correct Option: A
Explanation:

True,

The atmosphere of Earth is composed of nitrogen (about 78%), oxygen (about 21%), argon (about 0.9%), carbon dioxide (0.04%) and other gases in trace amounts.

The lowest layer of the atmosphere called troposphere, which varies from $4$ to $5$ miles in depth at the poles to approximately $10$ miles at the equators, consists of ____________________.

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. Water vapour, and dust, dense air

  2. Dust particles, gaseous and liquid water and dense air (nitrogen and oxygen)

  3. Clouds, dense air, water vapours and carbon dioxide

  4. Carbon dioxide and oxygen

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Correct Option: A

Which of the following gases abounds most in the composition of the atmosphere?

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. Oxygen

  2. Nitrogen

  3. Carbon-dioxide

  4. Hydrogen

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Correct Option: B

What is the percentage of oxygen in the atmosphere?

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. 78%

  2. 21%

  3. 12%

  4. 11%

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Correct Option: B
Explanation:

Atmosphere is the layer of gases surrounding the planet. The major gases present in atmosphere are nitrogen, oxygen, argon, carbon dioxide and other gases in minute quantity. The percentage of oxygen present in atmosphere is 21.

The atmospheric layer nearest to the earth's surface 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. Troposphere

  2. Stratosphere

  3. Measosphere

  4. Thermosphere

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Correct Option: A

The vertical movement of air 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. Cyclone

  2. Air current

  3. Wind

  4. Land breeze

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Correct Option: B

Atmosphere is classified into different zones, which of the following is not among this classification?

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. Ionosphere

  2. Ozonosphere

  3. Lithosphere

  4. None of these

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Correct Option: C
Explanation:

In the given options, ionosphere and ozonosphere are included in atmosphere.  Ionosphere consists of ions due to ultra violet radiations causing photo ionization and hence forming ionosphere. Ozonosphere is also called as stratosphere which consists of ozone gases that prevents UV rays from entering the earth’s surface. On the other hand lithosphere is not a layer of atmosphere but it is a hard surface consisting of rocks on earths surface.

Which of the following layers of atmosphere absorb UV light radiations?

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. Ionosphere

  2. Ozonosphere

  3. Troposphere

  4. None of these

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Correct Option: B
Explanation:

Layer of atmosphere which absorbs UV light radiations is known as ozonosphere. It is a region of Earth's stratosphere. This region contains high concentrations of ozone in comparison to other parts of the atmosphere. Ozonosphere is mainly found in the lower portion of the stratosphere. This layer protects earth from harmful UV light radiations.

_____ consists of a large number of gases.

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. Hydrosphere

  2. Lithosphere

  3. Atmosphere

  4. Biosphere

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Correct Option: C
Explanation:

The atmosphere of Earth is composed of nitrogen (about 78%), oxygen (about 21%), argon (about 0.9%), carbon dioxide (0.04%) and other gases in trace amounts.

The uppermost layer of the atmosphere 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. Ionosphere

  2. Exosphere

  3. Stratosphere

  4. Troposphere

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Correct Option: B