We invented first airplane.

• Wright Brothers

• Cook Brothers

• Lehman Brothers

• Thomas Brothers

Transport system is an indicator of the development of a

• Roadways

• state

• pipelines

• Country

_________have emerged as the most comfortable and clean mode of the transport in cities.

• Buses

• Auto- rickshaw

• Metros

• Railways

Inland Waterways consists of

• network of towers

• network of rivers, canals

• seas and oceans

• network of railways

Advantages of Pipelines are

• They can be laid on any type of surfaces

• Solids can be transported when converted into slurry

• It reduces the possibilities of delay

• all of the above

The decomposed remains of plants and animals is called.

• Renewable resources

• Fossil fuels

• Vegetables

• Pulses

Development of Science and technology has replaced

• Steam Engine

• Petrol Engine

• Diesel Engine

• Coal Engine

Example of renewable sources of energy

• Petrol

• diesel

• Solar Energy

• fossil fuels

Helicopters are used for surveys , media reporting and

• Functions

• parties

• Emergency services

• as oil tankers

Best means of transport is

• Jumping

• racing

• cycling

• hoping