Chapter 12 What If It Finishes? 1. What are the different kinds of vehicles that you can see? Ans. It can see following vehicles; bus, car, motorcycle, scooter, auto-rickshaw, cycle, etc. 2. What do you think they need as fuel? Ans. Cycle does not need fuel, but other vehicles shown here need petrol or diesel as fuel. 3. Which of the vehicles do you think give off smoke? Put a red mark on those. Ans. Bus, car, auto-rickshaw, motorcycle, scooter, etc. give off smoke. (Mark all vehicles except cycle.) 4. Do you ride a bicycle? If yes, where all do you go on it? Ans. Yes, I ride a bicycle. I use bicycle for going to school, playground and market. 5. How do you come to school? Ans. I come to school by my bicycle. 6. What problems can we have from smoke coming out of vehicles? Ans. The smoke from vehicles can cause coughing, nausea, headache and l...