Movement is socio - economic level is: (A) Social equality, (B) Social mobility, (C) Socio-economic upliftment, (D) Social mobilization
Answer is B. Net Reproduction Rate (NRR) is defined as the number of daughters a newborn girl will bear during her life time assuming fixed age-specific fertility and MORTALITY.
General Fertility Rate (GFR), General Marital fertility Rate (GMFR) don't account for mortality rate.