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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 6 · 25 questions

TOPIC PRACTICE

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Up to 25 questions from this page. Select your focus, then start.

25 questions

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  1. Increase of oxygen through photosynthesis
  2. Formation of helium by solar wind
  3. Formation of crust from core
  4. Formation of oceans from Moon
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  1. Oxygen-rich atmosphere like today
  2. Oxygen-poor and primitive atmosphere
  3. Complete ozone cover
  4. Modern pollution
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  1. Retaining gases for long would be difficult
  2. Crust would immediately become gold
  3. Oceans would become metal
  4. Photosynthesis would occur first
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  1. Pulling heavy materials to the centre and keeping gases near Earth
  2. Sending oceans into the Sun
  3. Removing ozone
  4. Turning the Moon into a plant
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  1. It shows intense impacts and material ejection from early Earth
  2. It says life made the Moon
  3. It says oceans formed first on the Moon
  4. It says ozone came from the Moon
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  1. Suitable temperature chemicals and atmospheric conditions were also needed
  2. Because water is harmful for life
  3. Because life forms only in the core
  4. Because water always remains gas
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  1. Atmospheric water vapour became rain and water collected on solid surface
  2. Solar wind formed human cities
  3. Moon formed the core
  4. Ozone turned crust into gas
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  1. Gradual cooling and solidification of crust
  2. Human agriculture
  3. Pre-existing complete ozone layer
  4. Freezing of solar wind
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  1. Water vapour condensed, causing rainfall and water accumulation
  2. Water completely became metal
  3. Rainfall stopped forever
  4. Gravity ended
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  1. Atmospheric change by a biological process
  2. Core formation by solar wind
  3. End of gravity by rainfall
  4. Ocean formation by Moon
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  1. As a protective atmospheric shield
  2. As a core-forming layer
  3. As a force drying oceans
  4. As a gas removing gravity
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  1. They preserve clues of old atmosphere, surface and life
  2. They only make modern buildings
  3. They produce solar wind
  4. They destroy ozone
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  1. Differentiation based on density and chemical composition
  2. Activity of modern humans
  3. Ocean waves
  4. Thickness of ozone
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  1. Dissolution of gases in water would not occur
  2. Gravity would end
  3. Core would become Moon
  4. Solar wind would stop
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  1. There was no solid cool surface for permanent water storage
  2. Water did not exist at all
  3. Solar wind made water
  4. Ozone stopped oceans
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  1. Life depended on water air solid surface and heat balance
  2. Life depended only on solar wind
  3. Life first made the core
  4. Life developed without any atmosphere
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  1. Ozone formation remained limited
  2. Ozone immediately became abundant
  3. Ozone formed the core
  4. Ozone ended water vapour
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  1. They were sequential and interconnected
  2. They were completely separate
  3. They occurred only in modern times
  4. They were controlled only by humans
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  1. It kept materials mobile and helped gases escape
  2. It kept oceans frozen forever
  3. It created solar wind
  4. It made life human first
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  1. Chemical composition and surface conditions were still changing
  2. Because they had no water
  3. Because they were made only of ozone
  4. Because the Moon dissolved in them
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  1. Questions based on cause, effect and stage sequence
  2. Only in colouring maps
  3. Only in memorising names
  4. Only in modern population studies
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  1. Oxygen accumulation and ozone formation would be delayed
  2. Core formation would stop
  3. Solar wind would never form
  4. Crust would become water
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  1. Cooling hydrosphere atmospheric change and biological evolution
  2. Only modern agriculture
  3. Only Moonlight
  4. Only solar wind
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  1. Release of gases including water vapour from Earth's interior
  2. Formation of core by photosynthesis
  3. Formation of rain by solar wind
  4. Formation of crust from Moon
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  1. Outgassing oceans gas dissolution and photosynthesis changed it
  2. Because there was never an atmosphere
  3. Because crust ate all gases
  4. Because Moon sent oxygen

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