Sst Ch 11

Question 1

Mention two problems created by increase in road traffic

Answer 1

Two problems created by increase in road traffics are
Traffic jam
Road traffic

Question 2

What are the advantages of airways

Answer 2

Advantages of airways are
It’s the fastest means of transport
It can cover difficult landforms like mountain oceans hills etc

Question 3

Which is the best means of transport why

Answer 3

Roadways are the best mode of transport because
It plays an important role in the social and economical development
It provides Door to door service
It’s supports other means of transport like railways Airways

Question 4

Name any two sources of renewable source of energy

Answer 4

Two sources of renewable source of energy are
Wind energy
Solar energy

Question 5

List two changes that have improved railways in recent time

Answer 5

Two changes that have improved railways in recent times are
Modern amenities and comfort
Computerised reservation