Towards Green Energy — Important Questions
Maharashtra Board · Class 10 · Science
44 important questions from Towards Green Energy for Maharashtra Board Class 10 Science, with answers. Written for the board exams 2027.
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Important Questions from Towards Green Energy
Which of the following are problems associated with thermal power plants?
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Air pollution from burning coal, Emission of harmful gases, Limited coal reserves
Thermal power plants cause air pollution, emit harmful gases like CO2 and SO2, and depend on limited coal reserves that will deplete in future.
What is the main advantage of natural gas power plants over coal power plants?
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Higher efficiency and less pollution
Natural gas power plants have higher efficiency than coal plants and cause less pollution because natural gas doesn't contain sulfur.
Which energy sources can be called 'green energy'?
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Solar energy, Wind energy, Hydroelectric energy
Green energy sources are renewable, environment-friendly, and don't cause pollution. Solar, wind, and hydroelectric energy are perpetual sources that don't harm the environment.
In hydroelectric power plants, which form of energy in water is primarily used?
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Potential energy
Hydroelectric plants use potential energy of water stored in dams. This potential energy converts to kinetic energy when water flows down to drive turbines.
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