Q.1 Which of the following is a renewable source of energy?
Coal
Natural Gas
Wind
Petroleum
Explanation - Wind energy is renewable because it can be naturally replenished and does not deplete over time.
Correct answer is: Wind
Q.2 Which energy source is primarily used in nuclear power plants?
Uranium
Solar
Biomass
Hydropower
Explanation - Nuclear power plants use uranium as fuel, which undergoes fission to generate energy.
Correct answer is: Uranium
Q.3 Solar energy is obtained from which natural source?
Moon
Sun
Wind
Earth's core
Explanation - Solar energy comes from sunlight, which is captured using solar panels or collectors.
Correct answer is: Sun
Q.4 Which of these is a non-renewable fossil fuel?
Wind
Coal
Hydropower
Solar
Explanation - Coal is a fossil fuel formed from ancient plant matter over millions of years and cannot be replenished quickly.
Correct answer is: Coal
Q.5 Hydropower is considered renewable because:
Water is unlimited
Water cycle replenishes water
Dams never fail
It produces no electricity
Explanation - Hydropower uses flowing water, which is continuously replenished by the water cycle.
Correct answer is: Water cycle replenishes water
Q.6 Which of the following is a clean energy source that does not produce greenhouse gases?
Coal
Oil
Geothermal
Natural Gas
Explanation - Geothermal energy harnesses heat from the Earth's interior and produces minimal greenhouse gases.
Correct answer is: Geothermal
Q.7 Which renewable energy source uses the heat of the Earth's core?
Biomass
Geothermal
Solar
Wind
Explanation - Geothermal energy is derived from the natural heat inside the Earth.
Correct answer is: Geothermal
Q.8 Petroleum is primarily used to produce:
Electricity
Fuels like petrol and diesel
Solar panels
Wind turbines
Explanation - Petroleum is refined to produce fuels such as petrol, diesel, and kerosene.
Correct answer is: Fuels like petrol and diesel
Q.9 Which energy source depends on organic matter such as plant waste?
Biomass
Coal
Wind
Hydropower
Explanation - Biomass energy is generated from organic materials like plant and animal waste.
Correct answer is: Biomass
Q.10 Which of the following is a limitation of solar energy?
Sunlight is constant
High initial cost of panels
Produces carbon emissions
Depletes the Earth
Explanation - Solar panels are expensive to install initially, though they produce clean energy over time.
Correct answer is: High initial cost of panels
Q.11 Which of the following is considered a fossil fuel?
Wind
Natural Gas
Solar
Hydropower
Explanation - Natural gas is a fossil fuel formed from ancient organic matter buried under the Earth's surface.
Correct answer is: Natural Gas
Q.12 Tidal energy is generated by:
Ocean waves
Tides
Wind
Solar panels
Explanation - Tidal energy harnesses the rise and fall of sea levels caused by gravitational forces from the Moon and Sun.
Correct answer is: Tides
Q.13 Which of the following is a disadvantage of wind energy?
Non-renewable
Depends on weather conditions
Produces greenhouse gases
Depletes water sources
Explanation - Wind energy production depends on wind availability, which can be variable.
Correct answer is: Depends on weather conditions
Q.14 Which of these is a major non-renewable energy source for electricity generation worldwide?
Coal
Wind
Solar
Tidal
Explanation - Coal is widely used globally to generate electricity but is a non-renewable fossil fuel.
Correct answer is: Coal
Q.15 Which energy source is derived from plant and animal waste?
Natural Gas
Biomass
Coal
Petroleum
Explanation - Biomass converts organic waste into energy through combustion or decomposition.
Correct answer is: Biomass
Q.16 Nuclear energy is considered non-renewable because:
Uranium reserves are limited
It comes from the Sun
It produces no waste
It uses water
Explanation - Nuclear energy relies on uranium, which is finite and cannot be replenished quickly.
Correct answer is: Uranium reserves are limited
Q.17 Which energy source is most suitable for desert regions?
Wind
Hydropower
Solar
Geothermal
Explanation - Desert regions have high solar radiation, making solar panels highly efficient.
Correct answer is: Solar
Q.18 Which of these energy sources contributes most to greenhouse gas emissions?
Solar
Coal
Wind
Hydropower
Explanation - Burning coal releases large amounts of CO2 and other greenhouse gases.
Correct answer is: Coal
Q.19 Which of the following is an advantage of renewable energy?
Depletes resources
Environmentally friendly
Produces greenhouse gases
Finite supply
Explanation - Renewable energy sources generate power with minimal environmental impact and are sustainable.
Correct answer is: Environmentally friendly
Q.20 Which of the following is a disadvantage of nuclear energy?
High waste disposal challenge
Dependence on sunlight
Requires flowing water
Inconsistent energy supply
Explanation - Nuclear energy generates radioactive waste, which requires careful long-term storage.
Correct answer is: High waste disposal challenge
Q.21 Which energy source is most affected by seasonal changes?
Wind
Hydropower
Coal
Solar
Explanation - Hydropower output varies with seasonal water availability and rainfall.
Correct answer is: Hydropower
Q.22 Which of the following is considered the cleanest fossil fuel?
Coal
Natural Gas
Petroleum
Lignite
Explanation - Natural gas produces fewer pollutants and greenhouse gases compared to coal and oil.
Correct answer is: Natural Gas
Q.23 Which renewable energy source involves using fast-flowing rivers or streams?
Hydropower
Wind
Solar
Biomass
Explanation - Hydropower generates electricity using the kinetic energy of flowing water.
Correct answer is: Hydropower
Q.24 Which energy source uses waves and tides of oceans?
Tidal energy
Solar
Wind
Coal
Explanation - Tidal energy harnesses the kinetic energy from ocean tides and waves.
Correct answer is: Tidal energy
Q.25 Which energy source is considered inexhaustible on a human timescale?
Oil
Coal
Wind
Natural Gas
Explanation - Wind energy is constantly replenished by atmospheric processes and is effectively inexhaustible.
Correct answer is: Wind