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Olympiad (Class 7) Natural resources and their conservation — practice questions

Explore 58 free Natural resources and their conservation questions in Olympiad (Class 7) Science. Open each question or exercise to read its content, reference answers and available explanation.

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Natural resources and their conservation questions and exercises with answers

Showing questions 1–30 of 58.

Coal is grouped as a biotic resource because it forms from what?Read the answer and worked solution →Which set contains only abiotic resources?Read the answer and worked solution →Petroleum is known to lie in deep rocks but has never been drilled. It is aRead the answer and worked solution →From a human-use view, a resource stays renewable only ifRead the answer and worked solution →Why are fossil fuels treated as non-renewable?Read the answer and worked solution →Which resource is continuously available and barely affected by human use?Read the answer and worked solution →A pond on one farmer's own land is which type of resource by ownership?Read the answer and worked solution →A village burial ground open to all villagers is aRead the answer and worked solution →Minerals inside a country's Exclusive Economic Zone are which kind of resource?Read the answer and worked solution →Open-sea waters that belong to no single country are which resource type?Read the answer and worked solution →Which activity is an extractive industry?Read the answer and worked solution →Mined iron ore, before it is made into steel, is best calledRead the answer and worked solution →Sustainable development aims to meet today's needs withoutRead the answer and worked solution →In 1982 the United Nations developed which charter to guard nature?Read the answer and worked solution →Conservation biology mainly aims to protect species and habitats fromRead the answer and worked solution →Replanting native trees to restore a forest home for wildlife is an example ofRead the answer and worked solution →Another name for a renewable resource is aRead the answer and worked solution →A town pumps aquifer water far faster than it recharges. Locally that water isRead the answer and worked solution →Most of Earth's fresh water isRead the answer and worked solution →Desalination is fully renewable only if it stops depending onRead the answer and worked solution →A farmer grows only one crop in a field year after year. A likely problem isRead the answer and worked solution →Which practice restores nitrogen in a field of cereals?Read the answer and worked solution →Clover helps soil fertility because it can fix which gas from air?Read the answer and worked solution →Rows of trees grown along a field edge mainly reduceRead the answer and worked solution →Which method helps reduce soil erosion on farms?Read the answer and worked solution →Deep ploughing on a slope makes soil easier to be carried away byRead the answer and worked solution →Which of these is a renewable resource used by all living organisms?Read the answer and worked solution →Which renewable material comes from forestry and is used for building and fuel?Read the answer and worked solution →Taking fish faster than they can replace themselves is calledRead the answer and worked solution →A fishery catches more fish each year than the stock can replace. What follows?Read the answer and worked solution →

Worked practice questions

Coal is grouped as a biotic resource because it forms from what?

  1. Dissolved sea salts
  2. Decayed organic matter
  3. Compressed beach sand
  4. Melted volcanic rock
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Correct answer: B. Decayed organic matter

Coal and petroleum count as biotic because they were formed from the decayed remains of living things.

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Which set contains only abiotic resources?

  1. Timber, wool and gold
  2. Cattle, wind and silver
  3. Iron ore, water and air
  4. Fish, coal and copper
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Correct answer: C. Iron ore, water and air

Iron ore, water and air all come from non-living material, while fish, coal, timber, wool and cattle come from living things.

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Petroleum is known to lie in deep rocks but has never been drilled. It is a

  1. Community resource
  2. Profitable reserve
  3. Actual resource
  4. Potential resource
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Correct answer: D. Potential resource

A resource known to exist but not yet used is a potential resource, such as undrilled petroleum.

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More Science topics

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