1. Which of the following is a renewable source of energy?
A) Coal
B) Petroleum
C) Solar energy
D) Natural gas
Answer: C) Solar energy
2. Which fuel is considered non-renewable?
A) Wind
B) Biomass
C) Coal
D) Hydropower
Answer: C) Coal
3. Energy obtained from flowing water is called:
A) Geothermal energy
B) Hydropower
C) Nuclear energy
D) Tidal energy
Answer: B) Hydropower
4. Which of the following is formed over millions of years?
A) Wind energy
B) Solar energy
C) Fossil fuels
D) Biomass
Answer: C) Fossil fuels
5. Wind turbines are used to generate:
A) Thermal energy
B) Electrical energy
C) Chemical energy
D) Nuclear energy
Answer: B) Electrical energy
6. Which gas is mainly produced by burning fossil fuels?
A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Hydrogen
Answer: C) Carbon dioxide
7. Solar panels convert sunlight into:
A) Heat only
B) Electricity
C) Sound
D) Mechanical force
Answer: B) Electricity
8. Petroleum is also known as:
A) Black gold
B) White coal
C) Green fuel
D) Biofuel
Answer: A) Black gold
9. Which of the following is a renewable natural resource?
A) Uranium
B) Natural gas
C) Sunlight
D) Coal
Answer: C) Sunlight
10. Biomass energy is obtained from:
A) Rocks
B) Plants and animal waste
C) Minerals
D) Metals
Answer: B) Plants and animal waste
11. Which country is one of the largest producers of solar energy?
A) China
B) Nepal
C) Bhutan
D) Sri Lanka
Answer: A) China
12. Natural gas is mainly composed of:
A) Oxygen
B) Methane
C) Carbon monoxide
D) Nitrogen
Answer: B) Methane
13. Which of the following energy sources does not cause air pollution during operation?
A) Coal
B) Diesel
C) Wind energy
D) Petrol
Answer: C) Wind energy
14. Uranium is used in producing:
A) Solar power
B) Wind power
C) Nuclear energy
D) Biomass energy
Answer: C) Nuclear energy
15. The Sun is the ultimate source of:
A) Fossil fuels
B) Wind energy
C) Solar energy
D) Both B and C
Answer: D) Both B and C
16. Which of the following is exhaustible?
A) Air
B) Water cycle
C) Coal
D) Sunlight
Answer: C) Coal
17. Geothermal energy is derived from:
A) Ocean waves
B) Earth’s internal heat
C) Wind currents
D) Sunlight
Answer: B) Earth’s internal heat
18. Which energy source is most eco-friendly?
A) Coal
B) Solar energy
C) Diesel
D) Petroleum
Answer: B) Solar energy
19. Tidal energy is generated using:
A) Desert winds
B) Ocean tides
C) Volcanoes
D) Forest biomass
Answer: B) Ocean tides
20. Which fossil fuel is commonly used in vehicles?
A) Coal
B) Petrol
C) Uranium
D) Wood
Answer: B) Petrol
21. A major disadvantage of fossil fuels is:
A) High availability
B) Low cost
C) Pollution
D) Infinite supply
Answer: C) Pollution
22. Which renewable source depends directly on weather conditions?
A) Coal
B) Uranium
C) Wind energy
D) Natural gas
Answer: C) Wind energy
23. The process of using organic waste to produce energy is called:
A) Combustion
B) Distillation
C) Bioenergy production
D) Refining
Answer: C) Bioenergy production
24. Hydroelectric power plants are usually built on:
A) Mountains
B) Rivers
C) Forests
D) Deserts
Answer: B) Rivers
25. Which of the following is a non-renewable mineral resource?
A) Coal
B) Timber
C) Wind
D) Sunlight
Answer: A) Coal
26. Burning of coal primarily produces:
A) Oxygen
B) Carbon dioxide
C) Helium
D) Hydrogen
Answer: B) Carbon dioxide
27. Solar energy is stored in batteries in the form of:
A) Heat energy
B) Chemical energy
C) Mechanical energy
D) Sound energy
Answer: B) Chemical energy
28. Which renewable source uses dams?
A) Wind energy
B) Tidal energy
C) Hydropower
D) Biomass
Answer: C) Hydropower
29. Non-renewable resources are also called:
A) Inexhaustible resources
B) Exhaustible resources
C) Flow resources
D) Cyclic resources
Answer: B) Exhaustible resources
30. Which of the following helps in reducing dependence on fossil fuels?
A) Increasing coal mining
B) Cutting forests
C) Using renewable energy
D) Burning more petrol
Answer: C) Using renewable energy