The soud producing organ of bird is

Options

A. Larynx
B. Syrinx
C. Oropharynx
D. Nasopharynx

Answer

**Step-by-Step Text Solution:**

1. **Understanding the Question**: The question asks for the sound-producing organ of birds. We need to identify which of the given options is correct.

2. **Reviewing the Options**: The options provided are:
- A) Larynx
- B) Syrinx
- C) Oropharynx
- D) Nasopharynx

3. **Analyzing Each Option**:
- **Option A: Larynx**: In humans, the larynx is known as the voice box and is responsible for sound production through vocal cords. However, birds do not use the larynx for sound production.
- **Option B: Syrinx**: The syrinx is located at the base of the trachea, where it meets the bronchi. It is the organ responsible for sound production in birds, particularly well-developed in songbirds.
- **Option C: Oropharynx**: This is a part of the pharynx that serves as a passage for food and air but does not play a role in sound production.
- **Option D: Nasopharynx**: Similar to the oropharynx, the nasopharynx is involved in the passage of air and food but is not involved in sound production.

4. **Conclusion**: Based on the analysis, the correct answer is **B) Syrinx**, as it is the specialized organ in birds responsible for producing sound.