NCERT Class X Science Class: Chapter – 14. Sources of Energy – Part-1 (For CBSE, ICSE, IAS, NET, NRA 2023)

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Multiple Choice Questions

Question 1:

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

(a) Wood

(b) Sun

(c) Fossil fuels

(d) Wind

Answer: C

Image Non-Renewable Source of Energy

Question 2:

Acid rain happens because

(a) Sun leads to heating of upper layer of atmosphere

(b) Burning of fossil fuels release oxides of carbon, nitrogen and Sulphur in the atmosphere

(c) Electrical charges are produced due to friction amongst clouds

(d) Earth atmosphere contains acids

Answer: B

Image Acid Rain Formation

Question 3:

Fuel used in thermal power plants is

(a) Water

(b) Uranium

(c) Biomass

(d) Fossil fuels

Answer: D

Image Fuel Used in Thermal Power Plants is Fossil Fuels

Question 4:

In a hydro power plant

(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

Answer: A

Image Upper and Lower Reservoir

Question 5:

Which is the ultimate source of energy?

(a) Water

(b) Sun

(c) Uranium

(d) Fossil fuels

Answer: B

Image Ultimate Source of Energy

Question 6:

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

(a) Nuclear energy

(b) Thermal energy

(c) Solar energy

(d) Geothermal energy

Answer: C