Question

If in a population the natality is 30 and mortality is 5, in a span of 10 years. What is the growth rate (GR) of that population?

(a) 0

(b) 2.5

(c) 10

(d) -10

This question was addressed to me by my college professor while I was bunking the class.

My query is from Population Growth in portion Organisms and Populations of Biology – Class 12

Answer 1

Correct option is (b) 2.5

Explanation: As per the formula, GR = \(\frac{Natality – Mortality}{Unit \, time} = \frac{30 – 5}{10}\) = 2.5

The growth rate of the given area is 2.5 in 10 years.