Do you know what the greenhouse effect is or perhaps what the ozone hole means? If you don't then find them here.


What do you call the rain that contains chemical waste and causes damage to plants and animals?

  • Smog

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  • Acid rain

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  • Monsoon rain

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  • Seasonal rain

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What is the term used to describe a substance that can be broken down and eaten up by microorganisms like bacteria?

  • Compound

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  • Environment friendly

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  • Biodegradable

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  • Recycled

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We all know that the Kaziranga sanctuary is a place where rhinos can live safely away from hunters. What is the term used for such careful use and protection of nature?

  • Biofriendly

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  • Ecofriendly

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  • Degradation

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  • Conservation

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What is the natural environment of a living organism called?

  • Habitat

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  • Surroundings

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  • Environment

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  • Biosphere

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Most of the oil that we use is imported into our country from other nations. The oil is carried in huge sea going tankers. Sometimes these tankers get damaged and the oil leaks into the oceans and seas. What is such an accidental discharge of oil into water bodies called?

  • Water pollution

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  • Oil spill

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  • Oil leak

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  • Tanker leak

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What is the process of collecting, processing and reusing waste materials called?

  • Recycling

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  • Reworking

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  • Reusing

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  • Reprocessing

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Name the phenomenon because of which the earth's atmospheric temperature is increasing causing widespread environmental changes?


What is the term used for the pollution and damage caused by release of heated water into rivers and lakes that can harm animal and plant life?


Have you heard that the ultraviolet radiations from the sun may cause skin cancer? Can you tell me which layer of the earths atmosphere protects the earth from these dangerous ultraviolet radiations of the sun?

  • Stratosphere

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  • Ozonosphere

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  • Ionosphere

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  • Troposphere

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What is a substance that dirties the air, water or ground thereby harming the living organisms called?


675 words | 6 minutes
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