Which part of the tongue is responsible for sweet taste?

Options

A. Tip of the tongue
B. Either side of the front part of the tongue
C. Either side of the posterior part of the tongue.
D. Posterior part of the tongue.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks which part of the tongue is responsible for detecting sweet taste.

2. **Identifying the Options**: The options provided are:
- A) Tip of the tongue
- B) Either side of the front part of the tongue
- C) Either side of the posterior part of the tongue
- D) Posterior part of the tongue

3. **Recalling the Tongue Map**: The tongue has different regions that are sensitive to different tastes. This is often referred to as the "tongue map."

4. **Analyzing Taste Regions**:
- **Sweet Taste**: Typically detected at the tip of the tongue.
- **Salty and Sour Tastes**: Found on the sides of the front part of the tongue.
- **Bitter Taste**: Found at the back of the tongue.

5. **Selecting the Correct Answer**: Since sweet taste is primarily detected at the tip of the tongue, the correct answer is A) Tip of the tongue.

6. **Conclusion**: The part of the tongue responsible for sweet taste is the tip of the tongue.