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Subjects

Geography

Evolution of the earth

In this Class 11 Geography topic from “The Origin and Evolution of the Earth,” students trace how Earth formed and changed over geological time. They learn about the early solar nebula, the separation of materials within the young planet, the development of the crust, atmosphere and oceans, and the gradual emergence of life. The topic connects major stages of Earth’s evolution with the geological processes that shaped its present structure.

Medium · Level 4 · 25 questions

TOPIC PRACTICE

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25 questions

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  1. Rainwater accumulating as permanent water bodies
  2. Gases turning into the Sun
  3. End of gravity
  4. Organisms immediately flying
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  1. Because it condensed and became water on the surface
  2. Because it made the core
  3. Because it moved the Moon away
  4. Because it never became rain
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  1. It was only result of human industry
  2. It was linked with volcanic emissions and temperature conditions
  3. It was main sign of ozone layer
  4. It was completely separate from hydrosphere
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  1. They were heavy gases
  2. They immediately became rocks in water
  3. They were light and removed by solar wind
  4. They were consumed by trees
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  1. Only extremely high temperature
  2. Only complete melting of crust
  3. Only distance of Moon
  4. Sufficiently lower temperature and stable surface
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  1. Oxygen and ozone protection were not sufficient
  2. Gravity was too high
  3. All rocks were metallic
  4. Oceans had not formed so there was no Moon
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  1. Continuous emission of volcanic gases
  2. Immediate freezing of oceans
  3. Complete destruction of ozone
  4. Beginning of human civilization
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  1. Atmospheric composition changed
  2. Core came to the surface
  3. Solar wind stopped
  4. Crust became living
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  1. Because life needs water air and a solid base
  2. Because life needs solar wind
  3. Because life lives only in the core
  4. Because life is made from the Moon
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  1. Heavy materials moved inward and light materials stayed outward
  2. All materials moved into space
  3. Crust formed first and core disappeared
  4. Oceans turned into metal
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  1. They preserve evidence of old surface and atmospheric conditions
  2. They are only modern decoration
  3. They create solar wind
  4. They make oceans disappear
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  1. Because liquid water as a chemical medium would not be available
  2. Because core would become too small
  3. Because solar wind would become too slow
  4. Because Moon would become soil
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  1. Completely modern atmosphere
  2. Oxygen-poor primitive atmosphere
  3. Atmosphere made only of ozone
  4. Absence of atmosphere
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  1. Physical differentiation
  2. Volcanic outgassing
  3. Biological evolution
  4. Solar wind effect
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  1. Formation of ozone layer
  2. Expansion of hydrosphere
  3. Melting of core
  4. Origin of the Moon
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  1. Because it also includes development of atmosphere hydrosphere and life
  2. Because it includes only politics
  3. Because it had no chemical process
  4. Because Earth never changed
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  1. Gases released from interior formed the outer atmosphere
  2. Outer air formed the inner core
  3. Oceans moved inside the Sun
  4. Moon made all gases
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  1. Because gas dissolution and biological processes kept changing atmosphere
  2. Because hydrosphere immediately ended atmosphere
  3. Because Earth lost gravity
  4. Because crust became the Sun
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  1. Crust became a basic component of the solid rocky outer part
  2. Crust turned all water into gas
  3. Crust created solar wind
  4. Crust started photosynthesis
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  1. It opened the way for complex life and ozone protection
  2. It made Earth a gaseous planet
  3. It completely dried oceans
  4. It brought the core outside
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  1. Harsh and unstable conditions gradually became a balanced life-supporting system
  2. Earth was always like present
  3. Life first made Earth
  4. Oceans never became permanent
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  1. Long-term retention of light gases would be considered more possible
  2. Oceans would not form first
  3. Core formation would stop
  4. Photosynthesis would stop
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  1. Photosynthesis increased oxygen and oxygen made ozone formation possible
  2. Ozone ended oxygen before photosynthesis
  3. Photosynthesis created solar wind
  4. Both have no relation with atmosphere
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  1. Formation of solid surface liquid water and chemical medium
  2. Formation of modern human cities
  3. Formation of fully developed wildlife
  4. Formation of railways
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  1. Water reservoir chemical medium and help in heat balance
  2. Only Moon formation
  3. Only ending gravity
  4. Only creating solar wind

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