Q. Which of the following is not a reason behind rising world population?

[A] Low mortality rate

[B] High fertility rate

[C] Decline in slum areas

[D] Improvement in public health facilities

Answer: C

Explanation – World’s Population is rising due to low mortality because of improvement in public health services, medicine, hygiene, etc. High fertility rate in some countries is also the reason behind population growth.

Source: The Indian Express