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Q 1.
Define non- biodegradable?
Ans.
Substance that are not broken down by biological processes is called non- biodegradable.
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Q 2.
What is the main source of energy on earth?
Ans.
Sun.
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Q 3.
Major source of energy for generating electricity?
Ans.
Fossil fuel.
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Q 4.
To produce electricity from wind, what should be the minimum wind speed?
Ans.
15 km per hour.
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Q 5.
Examples of bio-mass energy sources?
Ans.
1.Wood
2.Gobar gas 3.Coal. |
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Q 6.
1 atomic mass is equal to how many mega electron volts?
Ans.
931.
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Q 7.
How the energy of sun releases?
Ans.
Through nuclear fusion.
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Q 8.
Which gas contains maximum percentage in bio gas?
Ans.
Methane.
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Q 9.
Examples of non-conventional sources of energy?
Ans.
1.Wave energy
2.Solar energy 3.Tidal energy. |
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Q 10.
On which rivet Tehri dam project is build?
Ans.
Ganga.
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Q 11.
Name the gas that is responsible for green house effects?
Ans.
Carbon dioxide.
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Q 12.
Name the most common source of heat energy in ancient times?
Ans.
Wood.
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Q 13.
On which day solar water heater can not be used for get hot water?
Ans.
A cloudy day.
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Q 14.
Lpg is a mixture of?
Ans.
Butane and propane.
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Q 15.
Name the first India nuclear power reactor?
Ans.
Apsra.
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Q 16.
Percentage of methane in CNG gas?
Ans.
80-90%.
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Q 17.
What is the main component of CNG gas?
Ans.
Methane.
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Q 18.
In which state, India largest wind energy farm generates 380MW of electricity?
Ans.
Kanya Kumari.
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Q 19.
Name the river that has Sardar Sarovar project?
Ans.
Narmada.
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Q 20.
Tarapur nuclear power reactor is located in which state?
Ans.
Maharashtra.
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Q 21.
At what process energy is released in a atom bomb?
Ans.
Nuclear fission.
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Q 22.
Most of our energy requirements is fulfilled by?
Ans.
Coal.
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Q 23.
Examples of non-renewable energy source?
Ans.
Coal and petroleum.
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