Which continent has the highest growth rate of population? 

Name the head quarter of 'South Central Railway Zone'. 

Name any two natural sources of water pollutants. 

Define the term 'sex ratio'. 

Give any two examples of tertiary activities.

Who is an empowered worker? 

Explain the key areas of human development. 

Explain any three characteristics of 'Foot Loose Industries'. 

Define the term 'density of population'. 

Which is the most significant aspect of human development?