Question

Which one of the following causes a population explosion?

(a) The decrease in infant mortality rate and an increase in the death rate

(b) The decrease in death rate, maternal and infant mortality rate

(c) The decrease in infant mortality rate

(d) Increase in maternal mortality rate and decrease in the death rate

I had been asked this question in my homework.

My question is taken from Population Growth topic in portion Organisms and Populations of Biology – Class 12

Answer 1

Right answer is (c) The decrease in infant mortality rate

To explain: The decrease in death rate, maternal and infant mortality rate is the cause of population explosion. This leads to a large and sudden increase in the rate of population.