{"id":8746,"date":"2020-09-22T12:54:09","date_gmt":"2020-09-22T07:24:09","guid":{"rendered":"https:\/\/ncertsolutions.guru\/?p=8746"},"modified":"2021-03-17T16:07:38","modified_gmt":"2021-03-17T10:37:38","slug":"mcq-questions-for-class-10-science-chapter-14","status":"publish","type":"post","link":"https:\/\/ncertsolutions.guru\/mcq-questions-for-class-10-science-chapter-14\/","title":{"rendered":"MCQ Questions for Class 10 Science Chapter 14 Sources of Energy with Answers"},"content":{"rendered":"

Students are advised to practice the\u00a0<\/span>NCERT MCQ Questions for Class 10 Science Chapter 14 Sources of Energy with Answers Pdf free download is available here. MCQ Questions for Class 10 Science with Answers<\/a> are prepared as per the Latest Exam Pattern. Students can solve these Sources of Energy Class 10 MCQs Questions with Answers and assess their preparation level.<\/p>\n

Sources of Energy Class 10 MCQs Questions with Answers<\/h2>\n

Solving the Sources of Energy Multiple Choice Questions of Class 10 Science Chapter 14 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Sources of Energy Class 10 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 14 Science Class 10 and cross-check your answers during preparation.<\/p>\n

Question 1.
\nAssertion: Fuel has to be burnt to obtain heat energy.
\nReason: The minimum temperature to which a fuel must be heated so that it may catch fire and start burning is known as ignition temperature.
\n(a) Both A and R are true and R is the correct explanation of A.
\n(b) Both A and R are true but R is not the correct explanation of A.
\n(c) A is true but R is false.
\n(d) A is false but R is true.
\n(e) Both A and R are false.<\/p>\n

\nAnswer<\/span><\/summary>\n

(b) Both A and R are true but R is not the correct explanation of A.<\/p>\n<\/details>\n

\n

Question 2.
\nAssertion: The major constituent of biogas is methane.
\nReason: Biogas is produced by the aerobic degradation by animal wastes like cow ding in the presence of water.
\n(a) Both A and R are true and R is the correct explanation of A.
\n(b) Both A and R are true but R is not the correct explanation of A.
\n(c) A is true but R is false.
\n(d) A is false but R is true.
\n(e) Both A and R are false.<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) A is true but R is false.<\/p>\n<\/details>\n

\n

Question 3.
\nBiogas is formed in the
\n(a) presence of air only
\n(b) presence of water only
\n(c) absence of air only
\n(d) presence of water and absence of air<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) presence of water and absence of air<\/p>\n<\/details>\n

\n

Question 4.
\nBiogas is a better fuel than animal dung cake because
\n(a) biogas has lower calorific value.
\n(b) animal dung cake has high calorific value
\n(c) biogas bums smoke and leaves no residue
\n(d) biogas is used as a fuel for cooking only wheareas dung cake can be used for cooking, illuminant the lanterns.<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) biogas bums smoke and leaves no residue<\/p>\n<\/details>\n

\n

Question 5.
\nMost of the sources of energy we use represent stored solar energy. Which of the following is not ultimately derived from the Sun\u2019s energy?
\n(a) geothermal energy
\n(b) wind energy
\n(c) nuclear energy
\n(d) bio-mass<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) nuclear energy<\/p>\n<\/details>\n

\n

Question 6.
\nThe working fluid in ocean thermal power plant is
\n(a) Volatile liquid like ammonia
\n(b) petrol
\n(c) charcoal
\n(d) liquified petroleum gas<\/p>\n

\nAnswer<\/span><\/summary>\n

(a) Volatile liquid like ammonia<\/p>\n<\/details>\n

\n

Question 7.
\nOcean thermal energy is produced due to
\n(a) pressure difference at different levels in the ocean.
\n(b) temperature difference at different levels in the ocean.
\n(c) energy stored by waves in the ocean.
\n(d) tides rising out of the ocean.<\/p>\n

\nAnswer<\/span><\/summary>\n

(b) temperature difference at different levels in the ocean.<\/p>\n<\/details>\n

\n

Question 8.
\nA device in which electricity is produced by the process of controlled nuclear fission reaction is called
\n(a) nuclear chain reaction
\n(b) hydel power plant
\n(c) nuclear reactor
\n(d) thermal power plant<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) nuclear reactor<\/p>\n<\/details>\n

\n

Question 9.
\nIndia exploded her first underground nuclear device at
\n(a) Ranchi
\n(b) Kota
\n(c) Jaipur
\n(d) Pokhran<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) Pokhran<\/p>\n<\/details>\n

\n

Question 10.
\nFusion reaction is also known as
\n(a) chemical reaction
\n(b) elastic scattering
\n(c) thermonuclear reaction
\n(d) photo nuclear reaction<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) thermonuclear reaction<\/p>\n<\/details>\n

\n

Question 11.
\nA good fuel should possess
\n(a) high ignition temperature
\n(b) moderate ignition temperature
\n(c) high calorific value
\n(d) both high calorific value and moderate ignition temperature<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) both high calorific value and moderate ignition temperature<\/p>\n<\/details>\n

\n

Question 12.
\nGeothermal energy is
\n(a) Heat energy in the interior of earth
\n(b) energy of molten mars exists in the farm of magma inside the earth.
\n(c) molten lava on the surface of earth
\n(d) energy obtained from solar thermal electric plants<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) molten lava on the surface of earth<\/p>\n<\/details>\n

\n

Question 13.
\nTidal energy is harnessed by constructing a dam across
\n(a) narrow opening to the sea
\n(b) wide opening to the sea
\n(c) the river in hilly trains
\n(d) the river in plane areas<\/p>\n

\nAnswer<\/span><\/summary>\n

(a) narrow opening to the sea<\/p>\n<\/details>\n

\n

Question 14.
\nThe variety of coal which has the highest car-bon content
\n(a) Anthracite
\n(b) Peat
\n(c) Bituminous
\n(d) Lignite<\/p>\n

\nAnswer<\/span><\/summary>\n

(a) Anthracite<\/p>\n<\/details>\n

\n

Question 15.
\nDead organisms are transformed into petroleum and natural gas in
\n(a) presence of air
\n(b) absence of air
\n(c) presence of sunlight
\n(d) none of the above<\/p>\n

\nAnswer<\/span><\/summary>\n

(b) absence of air<\/p>\n<\/details>\n

\n

Question 16.
\nWhich of the following is not a bio mass energy source?
\n(a) gobar gas
\n(b) coal
\n(c) wood
\n(d) nuclear energy<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) nuclear energy<\/p>\n<\/details>\n

\n

Question 17.
\nThe main constituent of CNG is
\n(a) butane
\n(b) methane
\n(c) ethane
\n(d) propane<\/p>\n

\nAnswer<\/span><\/summary>\n

(b) methane<\/p>\n<\/details>\n

\n

Question 18.
\nHydropower plant are located in the
\n(a) desert area
\n(b) plane area
\n(c) hilly terrains
\n(d) None of the above<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) hilly terrains<\/p>\n<\/details>\n

\n

Question 19.
\nThe use of reflector in the solar cooker is to
\n(a) Decrease efficiency
\n(b) create green house effect
\n(c) increase efficiency
\n(d) None of the above<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) increase efficiency<\/p>\n<\/details>\n

\n

Question 20.
\nSolar cells are made of
\n(a) metals
\n(b) insulator
\n(c) semi conductors
\n(d) None of these<\/p>\n

\nAnswer<\/span><\/summary>\n

(a) Seine conductors<\/p>\n<\/details>\n

\n

Question 21.
\nA solar cooker may not cook food if.
\n(a) Interior of the box and the container of food are perfectly shining.
\n(b) Glass sheet over the box is not closed.
\n(c) Solar cooker is placed in the shade.
\n(d) All the above<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) All the above<\/p>\n<\/details>\n

\n

Question 22.
\nWhich of the following problem is associated with a burning of coal?
\n(\u0430) Carbon-dioxide emission
\n(b) acid rain
\n(c) ash with toxic metal supurity
\n(d) All of the above<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) All of the above<\/p>\n<\/details>\n

\n

Question 23.
\nAssertion: Wind energy farms cannot be established every where.
\nReason: The wind energy farms can be established only at those places where wind blows for most part of the year.
\n(a) Both A and R are true and R is the correct explanation of A.
\n(b) Both A and R are true but R is not the correct explanation of A.
\n(c) A is true but R is false.
\n(d) A is false but R is true.
\n(e) Both A and R are false.<\/p>\n

\nAnswer<\/span><\/summary>\n

(a) Both A and R are true and R is the correct explanation of A.<\/p>\n<\/details>\n

\n

Question 24.
\nAssertion: Coke is a better fuel than coal.
\nReason: Burning of coke cause air pollution.
\n(a) Both A and R are true and R is the correct explanation of A.
\n(b) Both A and R are true but R is not the correct explanation of A.
\n(c) A is true but R is false.
\n(d) A is false but R is true.
\n(e) Both A and R are false.<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) A is true but R is false.<\/p>\n<\/details>\n

\n

Question 25.
\nUnit of calorific value of a substance is
\n(a) Kcal
\n(b) Joules
\n(c) J kg
\n(d) J\/kg<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) J\/kg<\/p>\n<\/details>\n

\n

Question 26.
\nThe material used for interconnection the solar cells in the solar panel is
\n(a) silicon
\n(b) silver
\n(c) aluminium
\n(d) copper<\/p>\n

\nAnswer<\/span><\/summary>\n

(b) silver<\/p>\n<\/details>\n

\n

Question 27.
\nA solar panel is made by combining in an arrangement
\n(a) solar concentrator
\n(b) solar cookers
\n(c) solar cells
\n(d) solar chimney<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) solar cells<\/p>\n<\/details>\n

\n

Question 28.
\nTidal energy is a farm of energy obtained from the
\n(a) motion of surface water in ponds
\n(b) ocean in the form of tidal waves
\n(c) tides occurs in the river water
\n(d) motion of the wave in sea<\/p>\n

\nAnswer<\/span><\/summary>\n

(b) ocean in the form of tidal waves<\/p>\n<\/details>\n

\n

Question 29.
\nOne major problem in harnessing nuclear energy is
\n(a) converting nuclear energy into electrical energy.
\n(b) sustaining the reaction.
\n(e) splitting the nuclei.
\n(d) disposing off spent fuel easily.<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) disposing off spent fuel easily.<\/p>\n<\/details>\n

\n

Question 30.
\nWhich of the following is not an example of a bio-mass energy?
\n(a) wood
\n(b) gobar-gas
\n(c) nuclear energy
\n(d) coal<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) nuclear energy<\/p>\n<\/details>\n

\n

Question 31.
\nA solar water heater cannot be used to get hot water on
\n(a) a sunny day
\n(b) a cloudy day
\n(c) a hot day
\n(d) a windy day<\/p>\n

\nAnswer<\/span><\/summary>\n

(b) a cloudy day<\/p>\n<\/details>\n

\n

Question 32.
\nWhich of the following gases is the main con-stituent of natural gas?
\n(a) Methane
\n(b) Ethane
\n(c) Propane
\n(d) Butane<\/p>\n

\nAnswer<\/span><\/summary>\n

(a) Methane<\/p>\n<\/details>\n

\n

Question 33.
\nWhich of the following is the ultimate source of energy?
\n(a) Water
\n(b) Sun
\n(c) Fossil fuels
\n(d) Uranium<\/p>\n

\nAnswer<\/span><\/summary>\n

(b) Sun<\/p>\n<\/details>\n

\n

Question 34.
\nMajor problem in harnessing nuclear energy is to
\n(a) split heavy nucleus
\n(b) sustain nuclear reactions
\n(c) Convert nuclear energy into electricity
\n(d) dispose off spent fuel safety.<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) dispose off spent fuel safety.<\/p>\n<\/details>\n

\n

Question 35.
\nWhich of following is more environment friendly?
\n(a) Burning of coal
\n(b) burning of fire wood
\n(c) burning of charcoal
\n(d) Burning of diesel.<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) burning of charcoal<\/p>\n<\/details>\n

\n

Question 36.
\nU-235 will undergo fission by
\n(a) low energy neutrons only
\n(b) high energy neutrons only
\n(c) medium energy neutrons
\n(d) low energy protons only<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) low energy protons only<\/p>\n<\/details>\n

\n

Question 37.
\nWhich of the following organism produces biogas from cow drug sherry in the biogas plant?
\n(a) aerobic bectria
\n(b) anaerobic bectria
\n(c) prolozoa
\n(d) fungi<\/p>\n

\nAnswer<\/span><\/summary>\n

(b) anaerobic bectria<\/p>\n<\/details>\n

\n

Question 38.
\nEnergy can neither be created nor destroyed but still everybody discuss about the energy crisis because
\n(a) Energy transform into different form continuously.
\n(b) Usable form of energy is dissipated to the surroundings in less usable forms.
\n(c) Energy is consumed and cannot be used again.
\n(d) All of the above<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) All of the above<\/p>\n<\/details>\n

\n

Question 39.
\nThe temperature inside the solar cooker ranges from
\n(a) 500-100\u00b0C
\n(b) 100-140\u00b0C
\n(c) 150-200\u00b0C
\n(d) 70-80\u00b0C<\/p>\n

\nAnswer<\/span><\/summary>\n

(b) 100-140\u00b0C<\/p>\n<\/details>\n

\n

Question 40.
\nSelect the important factor for the site selection of a thermal power plant.
\n(a) Distance from the populated area
\n(b) Availability of fuel
\n(c) Availability of water
\n(d) Cost of plant<\/p>\n

\nAnswer<\/span><\/summary>\n

(c) Availability of water<\/p>\n<\/details>\n

\n

Question 41.
\nWind is caused due to
\n(a) uneven heating of earth\u2019s surface
\n(b) rotation of earth
\n(c) local conditions
\n(d) All of the above<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) All of the above<\/p>\n<\/details>\n

\n

Question 42.
\nSolar cells are made of
\n(a) germanium
\n(b) silicon
\n(c) silver
\n(d) aluminium<\/p>\n

\nAnswer<\/span><\/summary>\n

(b) silicon<\/p>\n<\/details>\n

\n

Question 43.
\nWhat are the disadvantage of solar energy
\n(a) A large surface area is required collect the solar
\n(b) Daily average of solar energy varies from 4 to 7 kwh\/m2
\n(c) Highly hazardous toxic material is used in the manufacturing of solar device.
\n(d) All of the above<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) All of the above<\/p>\n<\/details>\n

\n

Question 44.
\nAn ideal source of energy should have
\n(a) higher calorific value
\n(b) easy transportability
\n(c) easy accessibility
\n(d) All the above<\/p>\n

\nAnswer<\/span><\/summary>\n

(d) All the above<\/p>\n<\/details>\n

\n

Question 45.
\nRadiations which are harmful to the living organisms are
\n(a) Infrared radiation.
\n(b) ultraviolet radiations
\n(c) Visible radiation.
\n(d) micro waves<\/p>\n

\nAnswer<\/span><\/summary>\n

(b) ultraviolet radiations<\/p>\n<\/details>\n

\n

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Students are advised to practice the\u00a0NCERT MCQ Questions for Class 10 Science Chapter 14 Sources of Energy with Answers Pdf free download is available here. MCQ Questions for Class 10 Science with Answers are prepared as per the Latest Exam Pattern. Students can solve these Sources of Energy Class 10 MCQs Questions with Answers and …<\/p>\n

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