Which of the following is NOT correct explanation:

A. Dependency Ratio is an measure comparing the portion of a population composed of dependents with the portion in the working age group
B. Infant mortality rate is the number of births of babies before the age of one year per 1000 live birth C. Growth rate of population refer to the difference between the death and fertility rate
D. Fertility rate refers to the number of live births per 1000 women in the child-bearing age group (15-49 years)
E. Age Structure of a population refers to the proportion of a specific age group to the average population

Chose the correct answer from the option given below:

B, C, and E only