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Questions Related to evs - i

What factor makes a man dominant species in biosphere?

evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

  1. Body structure

  2. Ingenious brain power

  3. Powerful body

  4. Internal structure of body

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Correct Option: B

Where is the first Biosphere Reserve of India is located?

evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

  1. Nilgiri

  2. Nanda Devi

  3. Sunder van

  4. Great Nicobar

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Correct Option: A

Global environment consists of three segments, included:

evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

  1. Atmosphere, Hydrosphere and biosphere

  2. Stratosphere, troposphere, psudosphere

  3. Core, mantle, surface

  4. Atmosphere, stratosphere, Hydrosphere

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Correct Option: A

Which is most rigid part of earth layer?

evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

  1. Triosphere

  2. Mesophere

  3. Stratosphere

  4. Lithosphere

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Correct Option: D

The factors which relate to form and behaviour of the Earth's surface are called as

evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

  1. Edaphic

  2. Topographic

  3. Climatic

  4. Biotic

Show answer
Correct Option: B
Explanation:

Topography is a field of geoscience and planetary science comprising the study of surface shape and features of the Earth and other observable astronomical objects including planets, moons, and asteroids. 

Edaphic qualities characterize the soil, including drainage, texture, or chemical properties, such as pH. 
Biotic components are the living things, that shape an ecosystem. 
A biotic factor is any living component, that affects another organism.

Ozone shield is component of

evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

  1. Troposphere

  2. Stratosphere

  3. Mesosphere

  4. Thermosphere

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Correct Option: B
Explanation:

The ozone layer is present in the stratosphere above the Earth. The layer is present at a distance of about 20-30 km away from the surface of the Earth. The layer of ozone is responsible for the absorption of the harmful Ultraviolet radiations from the solar radiations. These radiations are prevented from entering the Earth's atmosphere to prevent the development of skin cancer

So, the correct answer is 'Stratosphere'

Ozone, shields the earth from the harmful ultraviolet rays from the

evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

  1. Moon

  2. Mars

  3. Sun

  4. None of these

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Correct Option: C
Explanation:
  • The ozone layer or ozone shield is a region of Earth's stratosphere which contains a high concentration of ozone ($O _3$) in relation to other parts of the atmosphere,
  • The ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (UVR) from the sun, protecting life on Earth from its potentially harmful effects.
  • Hence Ozone shields the earth from the harmful ultraviolet rays from the sun.
  • So, the correct answer is 'Sun'.

The gas that shows the most variation from place to place and from time to time in the lower atmosphere ___________

evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

  1. Ozone ($\displaystyle { O } _{ 3 }$)

  2. Carbon dioxide ($\displaystyle { CO } _{ 2 }$)

  3. Water vapor ($\displaystyle { H } _{ 2 }O$)

  4. Argon ($\displaystyle Ar$)

Show answer
Correct Option: C
Explanation:

The layer of the atmosphere closest to the earth is the troposphere also known as the lower atmosphere fixed composition of various constituents of air namely the carbon dioxide, nitrogen, ozone, rare gases etc, but the amount of water vapour varies from place to place and from time to time.

Lithosphere is divided into 

evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

  1. Outer core

  2. Inner core

  3. Upper most solid mantle

  4. None of these

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Correct Option: C

In which layer of the atmosphere is the ozone present ? 

evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

  1. Mesosphere

  2. Troposphere

  3. Stratosphere

  4. Ionosphere

Show answer
Correct Option: C
Explanation:

In the stratosphere, ozone molecules (three oxygen atoms) bonded together, prevent some of the Sun's most intense rays from reaching the Earth's surface. Currently, scientists and researchers worldwide are monitoring this layer; so thin at the South Pole, we call it a hole where the molecules are being very less.