62.If ‘8’ Drosophila in a laboratory population of ’80’ died during a week, the death rate in the population is ___ individuals pee Drosophila per week. A. 10 B. 1.0 C. Zero D. 0.1
Option D Number of drosophila in laboratory = 80. Number of deaths of drosophila in a week = 8. Death rate of drosophila in a weak = 8/80 = 0.1. The death rate of drosophila per week is 0.1.
