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प्रश्न
Fill in the blank
__________ are examples of renewable energy resources.
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उत्तर
Sun, water, wind are examples of renewable energy resources.
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संबंधित प्रश्न
Why are we looking at alternate sources of energy?
What is meant by a non-renewable source of energy? Give two examples of non-renewable source of energy.
Explain why, natural gas is considered to be a good fuel.
What are the various steps which can be taken to control (or reduce) pollution caused by burning fossil fuels?
A substance X is added to LPG cylinders while filling so as to make the detection of leakage of LPG from the cylinder easy.
How does substance X make the detection of leakage of LPG easy?
Compare and contrast biomass and hydroelectricity as sources of energy.
Which of the following sources of energy are not derived from the sun?
Biomass, Wind, Ocean thermal energy, Geothermal energy, Nuclear fuels, Hydroelectricity, Wave energy, Coal, Petroleum, Tidal energy
One of the following is not required in the formation of biogas in a biogas plant. This is:
(a) cow-dung
(b) water
(c) oxygen
(d) anaerobic bacteria
The source of energy of the sun is:
(a) conversion of hydrogen gas into helium
(b) conversion of carbon fuel into carbon dioxide
(c) burning of hydrogen gas present in the sun
(d) disintegration of uranium into barium and krypton
Renewable source of energy is :
Choose the correct answer.
Windmills have been used for many centuries in
What do you know about wind energy?
Can you tell?
What is ‘green energy’?
Higher Order Thinking Skill (HOT)
What are the objectives for replacing non-conventional energy resources from conventional energy resources?
Which part of the solar cooker is responsible for greenhouse effect?
What is non-renewable resources?
Which of the following is a pair of exhaustible natural resources?
Complete the crossword in figure with the help of the clues:
Across
1. Fuels obtained from dead remains of living organisms. (6, 5)
2. A process by which the various constituents of petroleum are separated. (8)
3. A porous black substance obtained from coal. (4)
4. Another name for motor fuel. (6)
Down
5. The substance obtained by carbonisation. (4)
6. Fuel for heavy motor vehicles. (6)
7. A petroleum product used for road surfacing. (7)
8. Dead remains of sea animals got converted into it. (9)
