Question

Natural growth of population is the outcome of which of the following?

A. Crude Birth Rate

B. Crude Death Rate

C. Migration

D. Marriages

Select the correct answer from the codes given below:

1. Only A
2. Only C
3. B and D
4. A and B

Answer 1

Correct Answer - Option 4 : A and B

The correct answer is A and B.

• Natural population growth happens because of the following
  1. Birth Rate
  2. Death Rate
• Natural increase in birth rate and death rate causes natural population growth.
• Basic components of population change-
  • Fertility rate in women
  • Mortality
  • Migration
• Natural increase is the difference between the no. of births and deaths in the population.
• Crude Birth Rate - It is the total number of live births per 1,000 population divided by the length of the period in years. 
  • current rate - 18.2births/1000
• Crude Death Rate - the ratio of deaths to the population of a particular area or during a particular period of time, usually calculated as the number of deaths per one thousand people per year.