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प्रश्न
What kinds of problems will we face, if the number of vehicles keeps on increasing? For example, more traffic on the road. Talk to your elders and write about it.
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उत्तर
If the number of vehicles keeps on increasing it would lead to many problems like; increased traffic on the road, air pollution, noise pollution, accidents, etc.
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संबंधित प्रश्न
- What do you think they need petrol and diesel as fuel?
Do you ride a bicycle? If yes, where all do you go on it?
We should use petrol and diesel judiciously. Think why?
What are the benefits, if we switch off the engine of the vehicles at the red light on the road?
The rates of petrol are different in each city. The rates of petrol and diesel in Delhi are given here. Look at the table and answer the questions.
| Oil | Rate of one litre in 2002 (Oct) | Rate of one litre in 2007 (Oct) | Rate of one litre in 2014 (Oct) |
| Petrol | Rs 29.91 | Rs 43.52 | Rs 67.86 |
| Diesel | Rs 18.91 | Rs 30.48 | Rs 58.97 |
- In 2014, as compared to 2007 the rate of petrol went up by ______ rupees. The rate of diesel increased by ______ rupees.
Suggest some ways to save oil.
Do you know anyone who collects dry wood or leaves to be used for lighting a chulha?
1. In the year 1976, out of 100 how many houses used uple and wood?
2. Which was the fuel used the least in 1976?
3. In 1976, LPG and kerosene were used in ______ houses, and in 1996 this increased to ______. This means that in twenty years their use increased by________%.
4. Out of 100, how many houses were using electricity in 1996?
5. Which fuel was used the least in 1996? What percentage of houses used it in the year 1976?
Imagine that a company has given you a chance to design a new vehicle like a minibus. What kind of vehicle would you design? Write about it. Draw a picture and colour it.
While making the design, who did you plan to take care of:
| old people | ____________ |
| children | ____________ |
| those who cannot see? | ____________ |
