Sex ratio means

Options

A. number of moles/1000 females
B. number of females/1000 males
C. Both 1 & 2
D. None of the above

Answer

**Step-by-Step Solution:**

1. **Understanding the Concept of Sex Ratio:**
- The sex ratio is a demographic indicator that represents the proportion of males to females in a population. It is an important characteristic that helps in understanding the gender balance within a specific area.

2. **Identifying the Definition:**
- The sex ratio can be defined in two ways:
a. The number of males per thousand females.
b. The number of females per thousand males.

3. **Analyzing the Options:**
- The question provides four options:
1. Number of males per thousand females
2. Number of females per thousand males
3. Both one and two
4. None of the other

4. **Determining the Correct Definition:**
- While both definitions can be used in different contexts, the more commonly accepted definition of sex ratio is the number of females per thousand males. This is often used to assess the gender balance in a population.

5. **Conclusion:**
- Based on the analysis, the correct answer to the question "Sex ratio means" is option B: number of females per thousand males.

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