Which of the following fuels gives least smoke?

• Petrol

• CNG

• Diesel

• None of these

To clean oil found deep down in the earth, it is sent to

• pumps

• oil depot

• refinery

• mills

Which of the following is obtained from petroleum?

• Wax

• LPG

• Coal tar

• All of these

Which gas is used for cooking in homes?

• CNG

• LPG

• Both (a) and (b)

• None of these

How many people in our country use uple, wood and dry twigs to cook food?

• Half of the people

• One fourth of the people

• Two thirds of the people

• All the people

Which mode of transport can reduce congestion on road?

• Car

• Auto

• Bus

• Scooter

Which mode of transport does not cause pollution?

• Train

• Bus

• Motor cycle

• cycle

Which of these is a renewable source of energy?

• Solar

• Kerosene

• Petrol

• Natural Gas

Vehicles on the road make noise. Write 'T' for True and 'F' for False.

• True

• False

The problem of traffic jams is due to increased number of vehicles.

• T

• F