Vestigial hind limbs occur in the snake

Options

A. Krait
B. Russel's Viper
C. Python
D. Cobra.

Answer

### Step-by-Step Solution:

1. **Understanding the Term "Vestigial":**
- Vestigial refers to features or organs that have lost most or all of their original function through the course of evolution. In the context of snakes, these are remnants of limbs that are no longer used for locomotion.

2. **Identifying Snakes with Vestigial Hind Limbs:**
- Among the options provided (Krait, Russell's Viper, Python, Cobra), we need to identify which snake has vestigial hind limbs.
- It is known that certain snakes, particularly pythons and boas, exhibit vestigial structures.

3. **Characteristics of Vestigial Limbs in Snakes:**
- Pythons and boas possess tiny hind leg bones.
- These bones are not functional for movement but are embedded in the muscles near the tail end of the snake.

4. **Conclusion:**
- Based on the information, the snake that has vestigial hind limbs is the **Python**.

### Final Answer:
Vestigial hind limbs occur in the snake **Python**.

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