CLASS - 5 // SUBJECT - EVS // Chapter 12 // What If It Finishes? //

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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 lung diseases.

7.    Which states in India have oil fields?
Ans.Following states in India have oil fields: Assam, Gujarat, Maharashtra and Andhra Pradesh.

8.    2.Besides oil, what else is found deep inside the earth?
Ans.Besides oil, many minerals are found deep inside the earth, e.g. coal, iron, copper, bauxite, gold, etc.

9.    What all can vehicles run on?
Ans.Vehicles can run on petrol, diesel, CNG, LPG, battery and solar energy.

10. What kinds of problems will we face, if the number of vehicles keep on increasing? For example, more traffic on the road. Talk to your elders and write about it.
Ans.If the number of vehicles keep on increasing it would lead to many problems like; increased traffic on the road, air pollution, noise pollution, accidents, etc.

11. Suggest some ways to deal with the problems arising out of the growing number of vehicles.
Ans. Following solutions can be used for dealing with the problems of growing number of vehicles:
(a) People should prefer public transport; like bus, trains, metro trains, etc.
(b) People should use car pool, i.e. sharing car with colleagues.

12. Where all is oil used?



Ans.Oil is used for dry cleaning, as fuel for automobiles and airplanes, as kerosene and LPG, to run machines and for making plastic and paints.

13. Where is diesel used? Find out.
Ans.Diesel is used as fuel for cars, buses, trucks, tractors, trains and generators. Additionally, diesel is also used for running machines in factories.

14. What would happen if you don’t get petrol or diesel for a week in your village or town?
Ans.If petrol or diesel will not be available for a week in my area, the life will become difficult for everyone. The transport system would come to a standstill. Small or big factories will have to stop operation. There will be no electricity backup from generators, in case of power failure.

15. Suggest some ways to save oil.
Ans.Following steps can be taken to save oil:
(a) Use public transport instead of personal vehicles.
(b) Prefer walking or cycling if you need to go short distances.
(c) Switch of the engine of vehicle on red lights.
(d) Use solar energy wherever possible.
(e) Pulses, rice, etc. should be soaked in water before cooking.

16. In year 1976, out of 100, how many houses used up and wood?
Ans.84 houses.

17. Which was the fuel used the least in 1976?
Ans.Electricity.

18. 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……….%.
Ans.In 1976, LPG and Kerosene were used in ID houses and in 1996 this increased to 18. This means that in twenty years their use increased by 80%.

 

 

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