मराठी
सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

State Whether the Following is True Or False. Coal and Petroleum Are Renewable Energy Resources.

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प्रश्न

State whether the following is True or False.

Coal and petroleum are renewable energy resources.

पर्याय

  • True

  • False

MCQ
चूक किंवा बरोबर
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उत्तर

False
Correct Statement: Coal and petroleum are non-renewable energy resources.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 11: Renewable and Non-renewable resources - True or False

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संबंधित प्रश्‍न

 Name two energy sources that you would consider to be renewable. Give reasons for your choices.


What is meant by a renewable source of energy? Give two examples of renewable sources of energy.

 

Coal is said to be formed from the wood of trees. Why then is coal considered to be a non-renewable source of energy whereas wood is a renewable source of energy?


State two important uses of natural gas


Explain why, natural gas is considered to be a good fuel.


What is meant by conventional sources of energy? Write the names of two conventional sources of energy. 


What are the disadvantages of burning fossil fuels?


Why is LPG considered a good fuel? 


LPG consists mainly of:

(a) butane
(b) ethane
(c) butanone
(d) methane


The energy in petrol originally came from the sun. Explain how it got into petrol. 


Which of the following is needed for the formation of biogas from cow-dung and which not?
Water, Oxygen


What is the function of anaerobic micro-organisms such as anaerobic bacteria in a biogas plant?


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


Which of the two is more energy efficient: filament type electric bulb or CFL? Why? 


Why should we conserve the non-renewable sources of energy?


Why is there a need to harness non-conventional sources of energy? Give two main reasons.


Make a list of conventional and non-conventional sources of energy. Give a brief description of harnessing one nonconventional source of energy.


Why is there a need for harnessing non-conventional sources of energy? How can energy be harnessed from the sea in different ways?


Coal is one of the ______ used to cook food.


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