Sources of Energy MCQs: 10th Science Chapter 14

Sources of Energy MCQs: CBSE Class 10 Science Chapter 14 Sources of Energy Multiple Choice Questions with Answers. MCQ Questions for Class 10 Science with answers was prepared based on latest exam pattern. Students can solve NCERT Class 10 Science Sources of Energy multiple choice questions with answers to know their preparation level.

Class:	10th Class
Subject:	Science
Chapter:	Chapter 14: Sources of Energy
MCQs:	97 Questions
Quiz:	– Questions

Sources of Energy MCQs

Class 10 Science Sources of Energy MCQs with Answers & Explanation:

Free PDF Download of CBSE Class 10 Science Chapter 14 Sources of Energy Multiple Choice Questions with Answers. MCQ Questions for Class 10 Science with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Science Sources of Energy Multiple Choice Questions with Answers to know their preparation level.

Class 10 Science MCQs Chapter 14 Sources of Energy

Question 1: Energy can neither be created nor destroyed but still everybody discuss about the energy crisis because

(a) Energy transform into different form continuously.
(b) Usable form of energy is dissipated to the surroundings in less usable forms.
(c) Energy is consumed and cannot be used again.
(d) All of these

Question 2: An ideal source of energy should have

(a) higher calorific value
(b) easy transportability
(c) easy accessibility
(d) All of these

Question 3: Fossil fuels are

(a) non-renewable source of energy
(b) renewable source of energy
(c) both (a) and (b)
(d) Neither (a) nor (b)

Question 4: Dead organisms are transformed into petroleum and natural gas in

(a) presence of air
(b) absence of air
(c) presence of sunlight
(d) none of the above

Question 5. Which of the following problem is associated with a burning of coal?

(а) Carbon-dioxide emission
(b) acid rain
(c) ash with toxic metal supurity
(d) all of these.

Question 6. Select the important factor for the site selection of a thermal power plant.

(a) Distance from the populated area
(b) Availability of fuel
(c) Availability of water
(d) Cost of plant

Question 7. Select the correct order of energy conversion in thermal power plant-

Question 8. Hydropower plant are located in the

(a) desert area
(b) plane area
(c) hilly terrains
(d) none-of above

Question 9. Biogas is a better fuel than animal dung cake because

(a) biogas has lower calorific value.
(b) animal dung cake has high calorific value
(c) biogas bums smoke and leaves no residue
(d) biogas is used as a fuel for cooking only where as dung cake can be used for cooking, illuminate the lanterns.

Question 10. Which of the following organism produces biogas from cow drug sherry in the biogas plant?

(a) aerobic bectria
(b) anaerobic bectria
(c) prolozoa
(d) fungi

Question 11. Wind is caused due to

(a) uneven heating of earth’s surface
(b) rotation of earth
(c) local conditions
(d) All of these

Question 12. What are the disadvantage of solar energy

(a) A large surface area is required collect the solar
(b) Daily average of solar energy varies from 4 to 7 kwh / m2
(c) Highly hazardous toxic material is used in the manufacturing of solar device.
(d) All of the above are disadvantages.

Question 13. The temperature inside the solar cooker ranges from

(a) 500-100°C
(b) 100-140°C
(c) 150-200°C
(d) 70-80°C

Sources of Energy MCQs – Question 14. The use of reflector in the solar cooker is to

(a) Decrease efficiency
(b) create green house effect
(c) increase efficiency
(d) none of these

Question 15. Solar cells are made of

(a) germanium
(b) silicon
(c) silver
(d) aluminium

Question 16. The material used for interconnection the solar cells in the solar panel is

(a) silicon
(b) silver
(c) aluminium
(d) copper

Question 17. A solar panel is made by combining in an arrangement

(a) solar concentrator
(b) solar cookers
(c) solar cells
(d) solar chimney

Question 18. Tidal energy is a farm of energy obtained from the

(a) motion of surface water in ponds
(b) ocean in the form of tidal waves
(c) tides occurs in the river water
(d) motion of the wave in sea

Question 19. Tidal energy is harnessed by constructing a dam across

(a) narrow opening to the sea
(b) wide opening to the sea
(c) the river in hilly trains
(d) the river in plane areas

Question 20. Wave energy is caused due to

(a) strong winds blowing across the sea
(b) kinetic energy possessed by huge waves near the sea shore
(c) potential energy possessed by the stored water
(d) both (a) and (b)

Sources of Energy MCQs: 10th Science Chapter 14

Question 21. The working fluid in ocean thermal power plant is

(a) Volatile liquid like ammonia
(b) petrol
(c) charcoal
(d) liquefied petroleum gas

Question 22. Geothermal energy is

(a) Heat energy in the interior of earth
(b) energy of molten mars exists in the farm of magma inside the earth.
(c) molten lava on the surface of earth
(d) energy obtained from solar thermal electric plants

Question 23. U-235 will undergo fission by

(a) low energy neutrons only
(b) high energy neutrons only
(c) medium energy neutrons
(d) low energy protons only

Question 24. In a hydropower plant [NCERT Exemplar Problems]

(a) Potential energy possessed by stored water is converted into electricity
(b) Kinetic energy possessed by stored water is converted into potential energy
(c) Electricity is extracted from water
(d) Water is converted into steam to produce electricity.

Question 25. Which is the ultimate source of energy? [NCERT Exemplar Problems]

(a) Water
(b) Sun
(c) Uranium
(d) Fossil fuels

Question 26. Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilization? [NCERT Exemplar Problems]

(a) Nuclear energy
(b) Thermal energy
(c) Solar energy
(d) Geothermal energy

Question 27. Ocean thermal energy is due to [NCERT Exemplar Problems]

(a) energy stored by waves in the ocean
(b) temperature difference at different levels in the ocean
(c) pressure difference at different levels in the ocean
(d) tides arising out in the ocean

Question 28. The major problem in harnessing nuclear energy is how to [NCERT Exemplar Problems]

(a) split nuclei?
(b) sustain the reaction?
(c) dispose off spent fuel safely?
(d) convert nuclear energy into electrical energy?

Question 29. Which part of the solar cooker is responsible for green house effect? [NCERT Exemplar Problems]

(a) Coating with black colour inside the box
(b) Mirror
(c) Glass sheet
(d) Outer cover of the solar cooker

Question 30. The power generated in a windmill [NCERT Exemplar Problems]

(a) is more in rainy season since damp air would mean more air mass hitting the blades
(b) depends on the height of the tower
(c) depends on wind velocity
(d) can be increased by planting tall trees close to the tower

Question 31. Choose the correct statement [NCERT Exemplar Problems]

(a) Sun can be taken as an inexhaustible source of energy
(b) There is infinite storage of fossil fuel inside the earth
(c) Hydro and wind energy plants are non-polluting
(d) Waste from a nuclear power plant can be easily disposed off

Question 32. A good fuel should possess

(a) high ignition temperature
(b) moderate ignition temperature
(c) high calorific value
(d) both high calorific value and moderate ignition temperature

Question 33. The variety of coal which has the highest carbon content

(a) Anthracite
(b) Peat
(c) Bituminous
(d) Lignite

Question 34. Unit of calorific value of a substance is

(a) Kcal
(b) Joules
(c) J kg
(d) J/kg

Question 35. Bio-gas is formed in the

(a) presence of air only
(b) presence of water only
(c) absence of air only
(d) presence of water and absence of air

Question 36. Solar energy can be directly converted to electrical energy by which of the following devices?

(a) solar cooker
(b) solar heater
(c) solar cell
(d) solar geyser

Question 37. Which of the following is the ultimate source of energy?

(a) Water
(b) Sun
(c) Fossil fuels
(d) Uranium

Question 38. Which of the following gases is the main constituent of natural gas?

(a) Methane
(b) Ethane
(c) Propane
(d) Butane

Question 39. Which element is used in solar cells?

(a) Carbon
(b) Silicon
(c) Phosphorous
(d) Sulphur

Question 40. Ocean thermal energy is produced due to

(a) pressure difference at different levels in the ocean.
(b) temperature difference at different levels in the ocean.
(c) energy stored by waves in the ocean.
(d) tides rising out of the ocean.

Sources of Energy MCQs: 10th Science Chapter 14

Question 41. A device in which electricity is produced by the process of controlled nuclear fission reaction is called

(a) nuclear chain reaction
(b) hydel power plant
(c) nuclear reactor
(d) thermal power plant

Question 42. One major problem in harnessing nuclear energy is

(a) converting nuclear energy into electrical energy.
(b) sustaining the reaction.
(e) splitting the nuclei.
(d) disposing off spent fuel easily.

Question 43. Spent slurry (Bio-waste after obtaining biogas) is used as

(a) fuel
(b) manure
(c) food for livestock
(d) used again for generating biogas

Direction (Q. 44 to Q. 48): In the following Questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:

(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion.
(b) The Assertion and the Reason are . correct but the Reason is not the correct explanation of the Assertion.
(c) Assertion is true but the Reason is false.
(d) The statement of the Assertion is false but the Reason is true.

Question 44. Assertion: Fuel has to be burnt to obtain heat energy.

Reason: The minimum temperature to which a fuel must be heated so that it may catch fire and start burning is known as ignition temperature.

Question 45. Assertion: The major constituent of biogas is methane.

Reason: Biogas is produced by the aerobic degradation by animal wastes like cow ding in the presence of water.

Question 46. Assertion: Wind energy farms cannot be established every where.

Reason: The wind energy farms can be established only at those places where wind blows for most part of the year.

Question 47. Assertion: Coke is a better fuel than coal.

Reason: Burning of coke cause air pollution.

Question 48. Assertion: Non-conventional sources of energy are the major source of energy for generating electricity in power plants.

Reason: Coal and petroleum are non- conventional energy sources.

Question 49. Mirrors used for solar cooker are ______________ .

Question 50. A fuel is a good one if its ______________ value is high.

Question 51. Geothermal energy is widely trapped in USA and ______________ .

Question 52. ______________ reaction is more powerful than a fission reaction.

Question 53. Ocean thermal energy is used to boil ______________ before running the turbine.

Question 54. Artificial satellites and space probes are electrified using ______________ .

Question 55. Fossil fuels do not cause pollution. [True / False]

Question 56. Acid rain is formed by acidic oxides of carbon, sulphur and nitrogen. [True / False]

Question 57. The use of turbine is essential for the production of electrical energy. [True / False]

Question 58. The approximate percentage of energy met by India with the use of hydel energy is 25%. [True / False]

Question 59. Windmills require giant structural erection and vast space. [True / False]

Question 60. New Zealand is called as “Country of Winds”. [True / False]

Sources of Energy MCQs: 10th Science Chapter 14

Direction (Q. 61 to Q. 62): Match Column I with Column II.

Question 61.

Column I	Column II
(a) Fossil fuels	(i) Renewable
(b) Silicon	(ii) Electrical energy
(c) Geothermal energy	(iii) Depleting
(d) Turbine	(iv) Solar cells

Question 62.

Column I	Column II
(a) Black surface	(i) Water heaters
(b) Turbine	(ii) Solar cell
(c) Semi conductors	(iii) Generators
(d) Digestor	(iv) Bio gas

Question 63. Define source of energy.

Question 64. Why are the coal, petroleum and natural gas called fossil fuels?

Question 65. If you could use any source of energy for heating your food which one would you prefer? State one reason for your choice.

Question 66. What do you mean by the term ‘thermal power plant’?

Question 67. The cost of production of electricity in a thermal power station located in Bihar / Jharkhand / Orissa is lesser than in Gujarat / Maharashtra. Do you agree? Justify your answer. [HOTS]

Question 68. Which of the following power plants to produce electricity involves more running expenses and why? Thermal power station, hydro power station, an array of solar panel, wind energy farm or geothermal source.

Sources of Energy MCQs – Question 69. What is acid rain? [CBSE 2013]

Question 70. List two non-conventional source of energy. [Delhi 2014, DoE]

Sources of Energy MCQs: 10th Science Chapter 14

Question 71. How does technology help in the transformation of energy?

Question 72. Justify that the hydropower is a renewable source of energy.

Question 73. Why the dams for generating hydroelectricity can be built only in the hilly areas or at the foothill?

Question 74. State the main difference between thermal power and hydropower plants based on electricity generation.

Question 75. Write the energy conversion that takes place in a hydropower plant. [CBSE 2018]

Question 76. Name the kind of energy possessed by wind and the device used to harness it.

Question 77. What is the minimum speed of wind to run a windmill to maintain the necessary speed of turbine of an electric generator?

Question 78. Name the place in India where the largest wind energy farm has been established and how much electricity does it generate?

Question 79. Which country ranked first in harnessing wind energy for the production of electricity.

Question 80. How much land area is needed to establish a wind energy farm for generating 1 MW of electricity?

Sources of Energy MCQs: 10th Science Chapter 14

Question 81. Which country is known as ‘country of winds’?

Question 82. Why a solar cooker painted black from outside? [CBSE 2014]

Question 83. Which metal is used to connect various solar cells?

Question 84. A solar cell transforms energy of one form into another. What are these two form of energy?

Question 85. Name any two elements that are used in fabricating solar cells. [CBSE 2014, 2012]

Sources of Energy MCQs – Question 86. Define solar panel.

Question 87. What is the voltage developed by a typical solar cell?

Question 88. How do satellites get energy to operate all the devices ?

Sources of Energy MCQs – Question 89. Name the main component of solar cell. [DoE]

Question 90. Name a device which can be used for cooking so as to save fuel.

Question 91. Which gas is formed by decomposing plant and animal matter in masting areas?

Question 92. Name the part of a biogas plant where reactions take place in the absence of oxygen. [CBSE 2014]

Question 93. Bio-gas is also known as gobar gas. Justify. [DoE] [CBSE 2011]

Question 94. Name the microorganism which decompose slurry into biogas.

Question 95. List two nutrients that the slurry left behind in the biogas plant contain. [CBSE 2011]

Question 96. Apart from cow-dung, name other materials which can be used for making bio gas.

Sources of Energy MCQs – Question 97. Why is CNG considered as environmental friendly fuel?