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MCQ Question for Class 10 Science Chapter 14 Sources of Energy with Answer
Question 1.
Which one of the following is an renewable energy source?
(a) Coal
(b) Petroleum
(c) Natural gas
(d) Wind energy
Answer: (d) Wind energy
Question 2.
Which one of the following is a non-renewable energy source?
(a) Fossil fuels
(b) Solar energy
(c) Tidal energy
(d) Water energy
Answer: (a) Fossil fuels
Question 3.
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
Answer: (d) It should be easily accessible
Question 4.
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.
Answer: (c) It is formed in million of years by decomposition of plants and animals
Question 5.
Natural gas is better fossil fuel because:
(a) It is formed by decomposition of plants and animals
(b) It is found in gas form
(c) It is costly
(d) It is smokeless and no ash is left
Answer: (d) It is smokeless and no ash is left
Question 6.
Hydro power plants generate electricity from:
(a) a liquid
(b) by hot liquid
(c) by steam
(d) by potential energy of water
Answer: (d) by potential energy of water
Question 7.
Charcoal is a better source of energy than coal because:
(a) It is black in colour
(b) It has two ‘e’ in its name
(c) It is derived from coal
(d) It produces more heat, burns without flame and produces less smoke
Answer: (d) It produces more heat, burns without flame and produces less smoke
Question 8.
Source of fossil energy is:
(a) Wind energy
(b) Solar energy
(c) Coal
(d) Hydro electric
Answer: (c) Coal
More MCQ Question for Class 10 Science Chapter 14 Sources of Energy with Answer
Question 1. 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
Answer: d
Question 2. The variety of coal which has the highest car-bon content
(a) Anthracite
(b) Peat
(c) Bituminous
(d) Lignite
Answer: a
Question 3. Unit of calorific value of a substance is
(a) Kcal
(b) Joules
(c) J kg
(d) J/kg
Answer: d
Question 4. 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
Answer: d
Question 5. Solar energy can be directly converted to elec-trical energy by which of the following de-vices?
(a) solar cooker
(b) solar heater
(c) solar cell
(d) solar geyser
Answer: c
Question 6. Which of the following is the ultimate source of energy?
(a) Water
(b) Sun
(c) Fossil fuels
(d) Uranium
Answer: b
Question 7. Which of the following gases is the main con-stituent of natural gas?
(a) Methane
(b) Ethane
(c) Propane
(d) Butane
Answer: a
Question 8. Which element is used in solar cells?
(a) Carbon
(b) Silicon
(c) Phosphorous
(d) Sulphur
Answer: b
Question 9. 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.
Answer: b
Question 10. 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
Answer: c
Question 11. 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.
Answer: d
Question 12. Spent slurry (Bio-waste after obtaining biogas) is used as
(a) fuel
(b) manure
(c) food for livestock
(d) used again for generating biogas
Answer: b
Fill in the Blanks
1. In the wind energy farms, the wind speed should be higher than ………. to maintain the required speed of
the turbine.
2. The energy produced during controlled ………. reactions is used for generating electricity at nuclear
power plants.
3. The energy available due to the difference in the temperature of water at the surface of the ocean and at
deeper levels is called ………. .
4. Biogas is produced by the ………. of animal wastes or plant wastes in the presence of water.
5. Biogas is an excellent fuel as it contains 75% ………. along with other gases like ………., ………. and ………. .
Answers
1. 15 km/h
2. nuclear fission
3. Ocean thermal energy
4. anaerobic degradation
5. methane, carbon dioxide, hydrogen and hydrogen sulphide
