Master your objective preparation with our chapter-wise SEBA Class 10 Science Chapter 14 MCQs. Features top multiple-choice questions, assertion-reasoning problems, and fill-in-the-blanks aligned with the latest 2026–27 HSLC exam pattern.
Q1. Why do we talk about an “energy crisis” if energy cannot be destroyed?
A. Energy is destroyed when used
B. Usable energy changes into unusable forms after use
C. Energy can be created continuously
D. Energy never changes form
Answer: B. Usable energy changes into unusable forms after use
Q2. Which of the following is NOT a characteristic of a good source of energy?
A. High efficiency
B. Easy availability
C. Produces a lot of smoke
D. Easy to store and transport
Answer: C. Produces a lot of smoke
Q3. What is the primary use of muscular energy in daily life?
A. To run electrical appliances
B. To move or lift objects
C. To light up a room
D. To heat water directly
Answer: B. To move or lift objects
Q4. Which of the following is a renewable source of energy?
A. Coal
B. Petroleum
C. Wind
D. Natural gas
Answer: C. Wind
Class 10 Science Chapter 14 Objective Questions SEBA 2026-27
Q5. Fossil fuels are formed from:
A. Minerals underground
B. Dead remains of plants and animals
C. Volcanic rocks
D. Compressed water and air
Answer: B. Dead remains of plants and animals
Q6. Why are fossil fuels classified as non-renewable energy sources?
A. They cause air pollution
B. They are very expensive
C. They take millions of years to form
D. They are artificial, man-made fuels
Answer: C. They take millions of years to form
Q7. Which of the following is NOT a fossil fuel?
A. Coal
B. Petroleum
C. Natural Gas
D. Biogas
Answer: D. Biogas
Q8. Which activity is a major cause of acid rain?
A. Burning of fossil fuels
B. Generating hydroelectricity
C. Using solar energy
D. Harnessing wind energy
Answer: A. Burning of fossil fuels
Q9. Which type of power plant uses high-pressure steam to rotate turbines and generate electricity?
A. Thermal power plant
B. Solar power plant
C. Wind power plant
D. Tidal power plant
Answer: A. Thermal power plant
Q10. Thermal power plants are usually located near:
A. Rivers
B. Oil or coal fields
C. Major cities
D. Seashores
Answer: B. Oil or coal fields
Q11. What sequence of energy transformation occurs in a thermal power plant?
A. Heat → Light
B. Mechanical → Electrical
C. Chemical → Heat → Mechanical → Electrical
D. Solar → Electrical
Answer: C. Chemical → Heat → Mechanical → Electrical
Q12. In a hydropower plant, what energy change takes place to generate electricity?
A. Potential → Kinetic → Electrical
B. Chemical → Electrical
C. Heat → Mechanical
D. Nuclear → Electrical
Answer: A. Potential → Kinetic → Electrical
Q13. Which of the following is a major disadvantage of constructing large dams for hydropower?
A. They do not generate sufficient electricity
B. They are built too far from urban cities
C. They submerge large areas of land and displace local people
D. They require large amounts of fossil fuels to operate
Answer: C. They submerge large areas of land and displace local people
Q14. What is biomass energy?
A. Energy obtained from moving water
B. Energy obtained from organic plant and animal waste
C. Energy obtained from atmospheric wind
D. Energy obtained directly from sunlight
Answer: B. Energy obtained from organic plant and animal waste
SEBA Class 10 Science Chapter 14 MCQ
Q15. Biogas is primarily composed of which gas?
A. Oxygen
B. Nitrogen
C. Methane
D. Carbon dioxide
Answer: C. Methane
Q16. The leftover slurry or residue after biogas production is commonly used as:
A. Industrial fuel
B. Organic fertilizer (manure)
C. Construction material
D. Charcoal
Answer: B. Organic fertilizer (manure)
Q17. Which component converts the kinetic energy of wind into electrical energy in a wind power system?
A. Solar cell
B. Turbine in a windmill
C. Battery bank
D. Water dam
Answer: B. Turbine in a windmill
Q18. What is necessary for efficient and continuous wind energy generation?
A. Calm and still air
B. Strong, steady winds (speed greater than 15 km/h)
C. High underground water levels
D. Surrounding mountain barriers
Answer: B. Strong, steady winds (speed greater than 15 km/h)
Q19. Where is the largest wind energy farm cluster in India located?
A. Jaipur, Rajasthan
B. Kanyakumari, Tamil Nadu
C. Ranchi, Jharkhand
D. Hyderabad, Telangana
Answer: B. Kanyakumari, Tamil Nadu
Q20. What is the primary limitation of solar energy systems?
A. They release harmful air pollutants
B. They function only during daylight hours
C. Solar power cannot be converted into electricity
D. They produce a large amount of smoke
Answer: B. They function only during daylight hours
HSLC Science Chapter 14 MCQ with Answers
Q21. Which device converts sunlight directly into electricity?
A. Solar cooker
B. Solar heater
C. Solar cell
D. Solar mirror
Answer: C. Solar cell
Q22. What type of energy is used in satellites?
A. Wind energy
B. Solar energy
C. Nuclear energy
D. Geothermal energy
Answer: B. Solar energy
Q23. In tidal energy, electricity is produced by:
A. Solar radiation
B. Rise and fall of sea water
C. Wind speed
D. Hot rocks
Answer: B. Rise and fall of sea water
Q24. Ocean Thermal Energy (OTEC) works on:
A. Difference in sea depth
B. Temperature difference between surface and deep sea water
C. Wave motion
D. Pressure difference
Answer: B. Temperature difference between surface and deep sea water
Q25. Geothermal energy is obtained from:
A. Hot rocks under the Earth’s surface
B. Sea waves
C. Wind
D. Biomass
Answer: A. Hot rocks under the Earth’s surface
Q26. In which country is geothermal energy used widely?
A. India
B. Japan
C. New Zealand
D. Canada
Answer: C. New Zealand
Q27. What happens during nuclear fission?
A. Light nuclei combine
B. Heavy nucleus splits into smaller nuclei
C. Atoms disappear
D. Energy is absorbed
Answer: B. Heavy nucleus splits into smaller nuclei
Q28. Which of the following is used as nuclear fuel?
A. Iron
B. Uranium
C. Sodium
D. Aluminium
Answer: B. Uranium
Q29. What is the main disadvantage of nuclear energy?
A. Low energy output
B. Radioactive waste disposal
C. Requires sunlight
D. Wind dependency
Answer: B. Radioactive waste disposal
Q30. The Sun’s energy is mainly produced by:
A. Nuclear fission
B. Nuclear fusion
C. Chemical reaction
D. Thermal power
Answer: B. Nuclear fusion
SEBA Class 10 Science Chapter 14 Online Quiz Test
Activity`s MCQ
Q1. Which of the following is NOT a form of energy used in your daily routine?
A. Heat energy
B. Light energy
C. Sound energy
D. Smell energy
Answer: D. Smell energy
Q2. When you switch on a fan, electrical energy is mainly converted into:
A. Chemical energy
B. Mechanical energy
C. Light energy
D. Heat energy
Answer: B. Mechanical energy
Q3. From where do we get muscular energy?
A. From sunlight
B. From chemical energy in food
C. From wind energy
D. From water
Answer: B. From chemical energy in food
Q4. The sources from which we get energy (like coal, sunlight, food, etc.) are called:
A. Machines
B. Fuels
C. Sources of energy
D. Appliances
Answer: C. Sources of energy
Q5. Why can we call sunlight, wind, and water ‘sources of energy’?
A. They provide us useful energy that can be converted to other forms
B. They are man-made
C. They are cheap
D. They cannot be used directly
Answer: A. They provide us useful energy that can be converted to other forms
Q6. Which of these is NOT a criterion for a good fuel?
A. Produces less smoke
B. Gives high heat energy
C. Difficult to store and transport
D. Easily available
Answer: C. Difficult to store and transport
Q7. What would be a good fuel choice for someone living in a forest?
A. LPG
B. Biogas
C. Firewood
D. Petrol
Answer: C. Firewood
Q8. For someone living on a remote mountain or island, which energy source is most suitable?
A. Coal
B. Solar energy
C. Petrol
D. Natural gas
Answer: B. Solar energy
Q9. If you lived five centuries ago, your main cooking fuel would have been:
A. LPG
B. Biogas
C. Firewood
D. Solar energy
Answer: C. Firewood
Q10. Which of the following is a reason why fuel choice differs in different areas?
A. Availability of the fuel
B. Age of the user
C. Color of the flame
D. Type of utensil used
Answer: A. Availability of the fuel
Class 10 Science Chapter 14 Important MCQs SEBA
Q11. In the “tennis ball turbine” activity, what happens when steam or water is directed at the fins?
A. The ball melts
B. The ball rotates
C. The bulb bursts
D. Nothing happens
Answer: B. The ball rotates
Q12. The tennis ball activity demonstrates which form of energy conversion?
A. Electrical → Mechanical
B. Mechanical → Electrical
C. Heat → Sound
D. Light → Heat
Answer: B. Mechanical → Electrical
Q13. Connecting the turbine to a cycle dynamo shows:
A. Conversion of light into electricity
B. Conversion of mechanical energy into electrical energy
C. Conversion of heat into light
D. Conversion of sound into energy
Answer: B. Conversion of mechanical energy into electrical energy
Q14. When comparing how elders and we do daily tasks, what major difference is noticed?
A. We use less energy now
B. We use more external energy sources today
C. They used more electricity
D. There is no difference
Answer: B. We use more external energy sources today
Q15. In the flask activity, which flask gets hotter in sunlight?
A. White flask
B. Black flask
C. Silver flask
D. Transparent flask
Answer: B. Black flask
Q16. The black flask heats up more because:
A. It reflects light
B. It absorbs more heat energy
C. It emits heat
D. It stays cooler
Answer: B. It absorbs more heat energy
Q17. What practical use does the flask activity demonstrate?
A. Light reflection
B. Heat insulation
C. Solar energy absorption
D. Energy conservation
Answer: C. Solar energy absorption
Q18. Which part of a solar cooker ensures maximum heat absorption?
A. White inner surface
B. Black inner surface
C. Transparent cover
D. Wooden box
Answer: B. Black inner surface
Q19. What is the main limitation of a solar cooker?
A. It uses expensive fuel
B. It works only in sunlight
C. It produces smoke
D. It cannot heat food
Answer: B. It works only in sunlight
Q20. The ultimate source of energy for biomass, wind, and ocean thermal energy is:
A. The Moon
B. The Earth
C. The Sun
D. The Ocean
Answer: C. The Sun
Q21. Geothermal and nuclear energy differ from solar-based energy because:
A. They depend on sunlight
B. They come from Earth’s internal heat and atomic reactions
C. They are renewable
D. They use wind
Answer: B. They come from Earth’s internal heat and atomic reactions
Q22. Hydro and wave energy are both forms of:
A. Wind energy
B. Water-based energy
C. Nuclear energy
D. Chemical energy
Answer: B. Water-based energy
Q23. Which of the following energy sources causes the least environmental damage during use?
A. Coal
B. Petroleum
C. Wind energy
D. Wood
Answer: C. Wind energy
Q24. Which of these is a renewable and inexhaustible source of energy?
A. Solar energy
B. Coal
C. Petroleum
D. Natural gas
Answer: A. Solar energy
Q25. Why do we still need to worry about coal depletion even if it lasts 200 years?
A. Coal is cheap
B. Coal causes pollution and is non-renewable
C. Coal produces clean energy
D. Coal reserves will increase
Answer: B. Coal causes pollution and is non-renewable
⚡ Quick Exam Practice: This post features a curated collection of SEBA Class 10 Science Chapter 14 MCQs and Objective Questions updated for the 2026–27 curriculum. Test your speed and accuracy to score maximum marks in the objective section of your HSLC board exam.
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