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State PSC Minerals & Industries — practice questions

Explore 60 free Minerals & Industries questions in State PSC Science. Open each question or exercise to read its content, reference answers and available explanation.

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Minerals & Industries questions and exercises with answers

Showing questions 1–30 of 60.

The exploitation of which fuel made the industrial revolution possible?Read the answer and worked solution →Oxides of carbon, nitrogen and sulphur released by burning fossil fuels cause:Read the answer and worked solution →Hydro power plants convert which form of energy of water into electricity?Read the answer and worked solution →About what fraction of India's energy requirement is met by hydro power plants?Read the answer and worked solution →Vegetation submerged in dam reservoirs rots anaerobically and releases which greenhouse gas?Read the answer and worked solution →Bio-gas is popularly called gobar-gas because its main starting material is:Read the answer and worked solution →In a bio-gas plant, the sealed chamber where cow-dung slurry decomposes without oxygen is the:Read the answer and worked solution →Bio-gas is an excellent fuel because it contains up to what share of methane?Read the answer and worked solution →Which country, called the country of winds, gets over 25 per cent of its electricity from windmills?Read the answer and worked solution →India ranks which position globally in harnessing wind energy for electricity?Read the answer and worked solution →India's largest wind energy farm, generating 380 MW, is near:Read the answer and worked solution →The Sun has been radiating energy at its present rate for nearly:Read the answer and worked solution →Solar cookers are painted black inside because a black surface:Read the answer and worked solution →Solar cells are mainly made from:Read the answer and worked solution →Tides are caused by the gravitational pull of mainly the:Read the answer and worked solution →In ocean thermal energy plants, warm surface water boils which volatile liquid to run the turbine?Read the answer and worked solution →Geothermal power plants operate in the USA and:Read the answer and worked solution →Nuclear fission splits a heavy nucleus when bombarded with:Read the answer and worked solution →Einstein first derived the mass-energy equation in:Read the answer and worked solution →Which nuclear power reactor is in Karnataka?Read the answer and worked solution →Nuclear fusion, the Sun's energy source, most commonly fuses hydrogen isotopes into:Read the answer and worked solution →The hydrogen bomb is based on:Read the answer and worked solution →Catch the renewable sourcesRead the answer and worked solution →Pop the nuclear reactor sitesRead the answer and worked solution →Run the energy numbersRead the answer and worked solution →Slice the energy wordsRead the answer and worked solution →Renewable or finiteRead the answer and worked solution →Sort the energy sourcesRead the answer and worked solution →Type the numberRead the answer and worked solution →Sources of energy bingoRead the answer and worked solution →

Worked practice questions

The exploitation of which fuel made the industrial revolution possible?

  1. Coal
  2. Wood
  3. Wind
  4. Dung
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Correct answer: A. Coal

1. Wood was the ancient heat source. 2. Coal powered the industrial revolution. 3. Fossil fuels then met growing demand. _Source: syllabus Science, Chapter 14, Sources of Energy._

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Oxides of carbon, nitrogen and sulphur released by burning fossil fuels cause:

  1. Earthquakes
  2. Acid rain
  3. Ozone hole
  4. Tidal waves
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Correct answer: B. Acid rain

1. These oxides are acidic. 2. They lead to acid rain. 3. Water and soil are affected. _Source: syllabus Science, Chapter 14, Sources of Energy._

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Hydro power plants convert which form of energy of water into electricity?

  1. Potential energy
  2. Chemical energy
  3. Thermal energy
  4. Nuclear energy
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Correct answer: A. Potential energy

1. Dams collect water at a height. 2. Falling water's potential energy turns turbines. 3. Rain refills the reservoir, so it is renewable. _Source: syllabus Science, Chapter 14, Sources of Energy._

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