Page-6 of GS-I: Indian Society
Demographic Transition Theory
The demographic transition theory studies the relationship between economic development and population growth. It discusses about changes in birth rate and death rate and consequently growth rate of...Dependency Ratio
Dependency ratio refers to the ratio of persons of ages under 15 years and over 64 years to the persons of ages 15-64 years. The persons below 15...What are the De-facto and De-jure enumeration in Census?
An important question pertaining to enumeration that always arises at a Population Census is whether the population should be counted on a de-facto basis i.e. at the place...What are the ‘Canvasser’ method and ‘householder’ method of enumeration?
‘Canvasser’ and the ‘Householder’ methods are the two recognised methods of census enumeration. Under the ‘Canvasser’ method the enumerator approaches every household and records the answer on the...
Key Facts to Note about PCPNDT Act 2003
Ultrasound applies to all sound waves with a frequency above the audible range of normal human hearing that is around 20 kHz. The frequencies between 2 to 18...
