Define the term 'sex ratio'.
The ratio between the number of women and men in the population is called the Sex- Ratio.
Name any two natural sources of water pollutants.
Explain the key areas of human development.
Explain any three characteristics of 'Foot Loose Industries'.
Give any two examples of tertiary activities.
Name the head quarter of 'South Central Railway Zone'.
Which is the most significant aspect of human development?
Define the term 'density of population'.
Who is an empowered worker?
Which continent has the highest growth rate of population?
