Study of human population growth comes under

Options

A. demography
B. biography
C. dermatology
D. psychology

Answer

To solve the question "Study of human population growth comes under," we will analyze the given options one by one to determine the correct answer.

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks about the field of study that focuses on human population growth.

2. **Analyzing the Options**:
- **Option A: Demography**: This is the statistical study of human populations. It examines aspects such as size, growth, density, distribution, and composition of populations. It also considers factors like birth rates, death rates, and migration, which are essential for understanding population growth.
- **Option B: Biography**: This refers to a detailed description of a person's life. It does not relate to population studies but rather focuses on individual life stories.
- **Option C: Dermatology**: This is a branch of medical science that deals with the study of skin. It is unrelated to population studies.
- **Option D: Psychology**: This is the scientific study of the mind and behavior. While it deals with individuals and groups, it does not specifically focus on population growth.

3. **Identifying the Correct Answer**: Based on the analysis, the correct answer is **Option A: Demography**, as it directly relates to the study of human population growth.

4. **Conclusion**: Therefore, the study of human population growth comes under demography.

### Final Answer:
The study of human population growth comes under **Demography**.

---