Fossil Fuels — Important Questions
Telangana Board · Class 10 · Environmental Education
45 important questions from Fossil Fuels for Telangana Board Class 10 Environmental Education, with answers. Written for the board exams 2027.
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Important Questions from Fossil Fuels
Which of the following are fossil fuels? (Select all correct answers)
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Petrol, Diesel, LPG, Kerosene
Petrol, diesel, LPG, and kerosene are all derived from petroleum, which is a fossil fuel. Solar energy is renewable and not a fossil fuel.
True or False: Fossil fuels are exhaustible resources.
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True
Fossil fuels are exhaustible (non-renewable) resources because they take millions of years to form and are being consumed faster than they can be naturally replenished.
Which of the following practices help conserve LPG? (Select all correct answers)
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Soaking food before cooking, Using lids on cooking vessels, Using broad, low-depth vessels, Cleaning pressure cooker regularly
All these practices help conserve LPG: soaking saves 22% fuel, lids prevent heat loss, broad vessels distribute heat better, and clean cookers work efficiently. Keeping stove on without cooking wastes fuel.
How long do gas reserves last according to current estimates?
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72 years
Natural gas reserves are estimated to last for 72 years at current consumption rates. This is longer than oil (45 years) but shorter than coal (252 years).
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