necturus or mud puppy is found in

Options

A. north America
B. south America
C. north india
D. south india.

Answer

### Step-by-Step Solution:

1. **Identify the Organism**: The question asks about "necturus" or "mud puppy". Recognize that these terms refer to the same organism, which is a type of salamander.

2. **Classify the Organism**: Understand that the mud puppy belongs to the class Amphibia. Specifically, it is a member of the genus Necturus.

3. **Determine Habitat**: Research the natural habitat of the mud puppy. It is known to inhabit aquatic environments such as lakes, rivers, and ponds.

4. **Geographical Distribution**: Identify the geographical distribution of the mud puppy. It is native to North America.

5. **Evaluate Options**: The options provided are North America, South America, North India, and South India. Based on the information gathered, the correct answer is North America.

6. **Conclusion**: Therefore, the mud puppy (Necturus) is found in North America.