TNPSC GURU.In - Tamil Nadu 10th Science - Biology - Unit - 22
1. Which of the following is / are a fossil fuel? i. Tar ii. Coal iii. Petroleum
1 point
2. What are the steps will you adopt for better waste management?
1 point
3. The gas released from vehicles exhaust are i. carbon monoxide ii. Sulphur dioxide iii. Oxides of nitrogen
1 point
4. Soil erosion can be prevented by
1 point
5. A renewable source of energy is
1 point
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