TNPSC GURU.In - Tamil Nadu 10th Science - Biology - Unit

1. Which of the following is / are a fossil fuel? i. Tar ii. Coal iii. Petroleum

1 point

a) i only

b) i and ii

c) ii and iii

d) i, ii and iii

2. What are the steps will you adopt for better waste management?

1 point

a) Reduce the amount of waste formed

b) Reuse the waste

c) Recycle the waste

d) all of the above

3. The gas released from vehicles exhaust are i. carbon monoxide ii. Sulphur dioxide iii. Oxides of nitrogen

1 point

a) i and ii

b) i and iii

c) ii and iii

d) i, ii and iii

4. Soil erosion can be prevented by

1 point

a) deforestation

b) afforestion

c) over growing

d) removal of vegetation

5. A renewable source of energy is

1 point

a) petroleum

b) coal

c) nuclear fuel

d) trees