MCQ Questions for Class 10 Science Chapter 14 Sources of Energy with Answers

Students can practice the NCERT MCQ Questions for Class 10 Science Chapter 14 Sources of Energy with Answers Pdf free download is available here. Revise all the concepts easily by taking help from the MCQ Questions for Class 10 Science with Answers are prepared based on the latest exam pattern. Students can refer to these Sources of Energy Class 10 MCQs Questions with Answers and assess their preparation level.

Q1. 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.

(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
(e) Both A and R are false.

(b) Both A and R are true but R is not the correct explanation of A.

Q2. 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.

Q3. Biogas 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

(d) presence of water and absence of air

Q4. 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 wheareas dung cake can be used for cooking, illuminant the lanterns.

Q5. Most of the sources of energy we use represent stored solar energy. Which of the following is not ultimately derived from the Sun’s energy?

(a) geothermal energy
(b) wind energy
(c) nuclear energy
(d) bio-mass

Q6. Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?

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

Q7. Ocean thermal energy is due to

(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

(b) temperature difference at different levels in the ocean

Q8. The use of reflector in the solar cooker is to

(a) Decrease efficiency
(b) create green house effect
(c) increase efficiency
(d) None of the above

(b) create green house effect

Q9. Wind is caused due to

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

(d) All of the above

Q10. Hydropower plant are located in the

(a) desert area
(b) plane area
(c) hilly terrains
(d) None of the above

Q11. 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

Q12. The main constituent of CNG is

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

(b) methane

Q13. The temperature inside the solar cooker ranges from

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

(b) 100-140°C

Q14. Which of the following is not a bio mass energy source?

(a) gobar gas
(b) coal
(c) wood
(d) nuclear energy

(d) nuclear energy

Q15. 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 the above

(d) All of the above

Q16. 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

(b) absence of air

Q17. Which one of the following is an renewable energy source?

(a) Coal
(b) Petroleum
(c) Natural gas
(d) Wind energy

(d) Wind energy

Q18. Which one of the following is a non-renewable energy source?

(a) Fossil fuels
(b) Solar energy
(c) Tidal energy
(d) Water energy

(a) Fossil fuels

Q19. A good source of energy is a given small amount of energy:

(a) Gives small amount of energy
(b) It cannot be stored easily
(c) It should be costly
(d) It should be easily accessible

(d) It should be easily accessible

Q20. Fossil fuel is non-renewable because:

(a) It is used more
(b) It is present underground
(c) It is formed in million of years by decomposition of plants and animals
(d) It is costly.

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Q1. 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.

Q2. 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.