What is the adolescence period in humans?
a) Between 10 to 19 years
b) Between 0 to 10 years
c) Between 25 to 30 years
d) Between 40 to 50 years

Options

A. Between 10 to 19 years
B. Between 0 to 10 years
C. Between 25 to 30 years
D. Between 40 to 50 years

Answer

**Step-by-Step Solution:**

1. **Understanding Adolescence**: Adolescence is a developmental stage characterized by significant physical and hormonal changes that occur as a person transitions from childhood to adulthood.

2. **Identifying Physical Changes**: During adolescence, individuals experience various physical changes such as an increase in height, changes in voice, and the development of secondary sexual characteristics. These changes are part of the maturation process.

3. **Recognizing Hormonal Changes**: Along with physical changes, there are hormonal changes that occur during this period. For example, there is an increase in the production of hormones like testosterone in boys and progesterone in girls.

4. **Defining the Age Range**: Based on observations of when these changes typically occur, adolescence is generally defined as the period between the ages of 10 and 19 years.

5. **Selecting the Correct Answer**: Given the options provided:
- a) Between 10 to 19 years
- b) Between 0 to 10 years
- c) Between 25 to 30 years
- d) Between 40 to 50 years

The correct answer is option **a) Between 10 to 19 years**.

**Final Answer**: The adolescence period in humans is between 10 to 19 years (Option a).

---