Identify the Indian seaport which provides port facilities to its landlocked neighbour countries. Name any one such country.

What does the proportion of the literate population of a country indicate?

Name any two modern towns built by the British in modern style.

OR

Which town was developed as the centre of modern industries after 1850?

On the basis of configuration and purpose, compare the two satellite systems in India.

Differentiate between Positive and Negative growth of population.

OR

Differentiate between Immigration and emigration.