Observing 4 ‘R’s
Telangana Board · Class 10 · Environmental Education
Practice quiz for Observing 4 ‘R’s — Telangana Board Class 10 Environmental Education. MCQs and questions with answers to test your preparation.
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Quick Quiz: Observing 4 ‘R’s
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What does the first 'R' in the 4 'R's concept stand for?
What gas is produced when waste materials decompose?
Using a pressure cooker for cooking is an example of which 'R'?
How much CO₂ does each litre of petrol produce compared to its weight?
Sample Questions
Which of the following are examples of 'Reuse'?
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Using old newspapers to wrap gifts, Converting plastic bottles into planters, Using both sides of paper
Reuse means finding new purposes for items without processing them. Wrapping with newspapers, making planters from bottles, and using both sides of paper are all examples of reuse.
Which transportation choices help in practicing the 4 'R's?
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Using metro train, Using public buses, Stopping engine at traffic signals, Carpooling with family
Public transport, turning off engines during stops, and carpooling all help reduce fuel consumption and emissions, practicing the 'Reduce' principle.
Recycling involves changing the form of materials to make new products.
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True
Recycling involves processing and changing the form of waste materials to create new products, unlike reuse which uses items in their original form.
What should you do to save fuel while cooking?
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Keep lids on cooking vessels, Keep frying pans clean, Use pressure cooker when possible
Using lids traps heat, clean pans heat efficiently, and pressure cookers save time and fuel. These practices reduce energy consumption.
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