Science Practice Quiz 118

Q1.How is Nuclear or Atomic Energy primarily obtained according to the provided text?

A. By burning fossil fuels B. By harnessing sunlight C. By altering the structure of atoms D. By decomposing organic matter

Q2.Which two elements are primarily mentioned as being used for generating atomic or nuclear power?

A. Coal and Oil B. Uranium and Thorium C. Sunlight and Water D. Kerosene and Charcoal

Q3.What technology is mentioned for converting sunlight directly into electricity?

A. Thermal power generation B. Hydel power generation C. Photovoltaic technology D. Biogas conversion

Q4.What serious issue is caused by the increasing use of fossil fuels?

A. Economic growth B. Environmental problems C. Energy independence D. Agricultural surplus

Q5.What does geothermal energy primarily refer to?

A. Heat and electricity produced from burning fossil fuels. B. Heat and electricity produced by using the heat from the interior of the Earth. C. Energy derived from the movement of ocean currents. D. Electricity generated from solar panels.

Q6.Why does geothermal energy exist?

A. Because the Earth's surface is constantly cooling down. B. Because the Earth grows progressively hotter with increasing depth. C. Due to the friction caused by tectonic plate movements. D. From the absorption of solar radiation by the Earth's core.

Q7.In areas with a high geothermal gradient, how is electricity typically generated from groundwater?

A. Cold groundwater is pumped to the surface to cool turbines. B. Groundwater absorbs heat from rocks, turns into steam, and drives turbines. C. The pressure of deep groundwater directly rotates generators. D. Groundwater is used in a chemical reaction to produce energy.

Q8.What are considered the 'twin planks' of sustainable energy development?

A. Increased fossil fuel extraction and nuclear power. B. Promotion of energy conservation and increased use of renewable energy sources. C. Importing more energy and reducing industrial output. D. Developing new coal mines and hydroelectric projects.

Q9.Which of the following is stated to be 'by far the most efficient use of cattle dung' in the provided text?

A. Composting. B. Direct burning as fuel. C. Biogas production. D. As animal feed supplement.

Q10.Which element is required in some quantities to harden steel?

A. Copper B. Aluminium C. Manganese D. Zinc

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Science Practice Quiz 118