The traditional country boats of Kerala are called:

The correct answer is: d) All of the above.

Vallam, kettuvallam, and dhoni are all traditional country boats of Kerala.

• Vallam is a small, narrow boat that is used for fishing and transportation. It is made of wood and has a pointed prow and a flat bottom.
• Kettuvallam is a large, houseboat that is used for accommodation and sightseeing. It is made of wood and has a long, narrow hull.
• Dhoni is a fast, shallow-draft boat that is used for fishing and transportation. It is made of wood and has a triangular sail.

All of these boats are important parts of Kerala’s culture and history. They are used for a variety of purposes, including fishing, transportation, and tourism.