1.

Which of the following formula correctly defines mortality?(a) Mortality = \(\frac{Number \, of \, deaths \, per \, year}{Mid-year \, population}\) x 1000(b) Mortality = \(\frac{Number \, of \, births \, per \, year}{Mid-year \, population}\) x 1000(c) Mortality = Number of deaths x 1000(d) Mortality = Number of births x 1000The question was posed to me during an interview for a job.My question comes from Population Growth in chapter Organisms and Populations of Biology – Class 12

Answer»

Right answer is (a) Mortality = \(\frac{Number \, of \, deaths \, per \, YEAR}{Mid-year \, population}\) x 1000

Easy EXPLANATION: The growth rate is the INCREASE in population due to an actual number of INDIVIDUALS added to the population. Usually in India, the growth rate is calculated EVERY 10 years.



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