What is the definition of sex ratio in a population?

What is the definition of sex ratio in a population?
  1. The number of males and females in a population
  2. The proportion of males and females in a population
  3. The age distribution of males and females in a population
  4. None of the above

Solution

The sex ratio in a population refers to the proportion of males and females in the population, not the number of individuals.

Asked in: NCERT

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