Here you will find Extra Questions for CBSE Class 10 Social Science Geography Chapter Power Resources. Students are suggested to go through each and every question to score better marks in their exam.
Extra Questions for Power Resources
Very Short Answer Type Questions (VSA)
Q1. Mention any four activities which require energy.
Ans. Energy is needed to
(i) Cook food
(ii) Provide light and heat
(iii) Propel vehicles
(iv) Drive machinery in industries
Q2. Mention any four conventional sources of energy.
Ans. Firewood, cattle dung cake, coal and natural gas are conventional sources of energy.
Q3. Mention any four unconventional sources of energy.
Ans. Solar, wind, tidal and bio-gas are the unconventional sources of energy.
Q4. Which are the two most common sources of energy in rural India?
Ans. Firewood and cattle dung cake are the two most common sources of energy in rural India.
Q5. Why is using dung cake being discouraged?
Ans. Using dung cake is being discouraged because it consumes most valuable manure which could be used in agriculture.
Q6. Which is the most abundantly available fossil fuel?
Ans. Coal is the most abundantly available fossil fuel.
Q7. How is coal formed?
Ans. Coal is formed due to the compression of plant material over millions of years.
Q8. How is peat produced? Mention one feature of it.
Ans. Peat is produced by decaying of plants in swamps.
Features: It has a low carbon high moisture contents and low heating capacity.
Q9. Which is a low grade brown coal? Mention one feature of it?
Ans. Lignite is a low grade brown coal.
Feature: It is soft with high moisture content.
Q10. Where are the principal lignite reserves found?
Ans. The principal lignite reserves are found in Neyveli in Tamil Nadu.
Q11. Which is the most popular coal?
Ans. Biluminous coal is the most popular coal.
Q12. Which is the highest quality hard coal?
Ans. Anthracite is the highest quality hard coal.
Q13. Name two important coalfields of India.
Ans. Jharia and Bokaro.
Q14. How is natural gas used?
Ans. Natural gas is used as a source of energy as well as an industrial raw material in the petrochemical industry.
Q15. Why is natural gas considered an environment-friendly fuel?
Ans. Natural gas is considered an environment-friendly fuel because of low carbon dioxide emissions.
Q16. Name the key users of natural gas.
Ans. The power and fertiliser industries are the key users of natural gas.
Q17. How is hydro-electricity generated?
Ans. Hydro-electricity is generated by fast flowing water.
Q18. Name a few multi-purpose projects of India.
Ans. (i) Bhakra Nangal
(ii) Damodar Valley Corporation
(iii) Kopili Tydel Project
Q19. How is thermal electricity generated?
Ans. Thermal electricity is generated by using coal, petroleum and natural gas.
Q20. How many thermal power plants are there in India?
Ans. There are over 310 thermal power plants in India.
Q21. Where are uranium and thorium available in India? What are they used for?
Ans. Uranium and thorium are available in Jharkhand and the Aravali ranges of Rajasthan. They are used for generating atomic or nuclear power.
Q22. Where is the largest wind farm cluster located in India?
Ans. The largest wind farm cluster is located in Tamil Nadu from Nagarcoil to Madurai.
Q23. Which energy can be produced from ocean water?
Ans. Tidal energy can be produced from ocean water.
Q24. Which region of India provides ideal conditions for utilising tidal energy?
Ans. In India, the Gulf of Kuchchh provides ideal conditions for utilising tidal energy.
Q25. What is meant by geo-thermal energy?
Ans. Geothermal energy refers to the heat and electricity produced by using the heat from the interior of the earth.