The correct answer is: a) Catamarans.
Catamarans are a type of boat that is made up of two hulls that are connected by a beam. They are very stable and can be used in a variety of conditions, including rough seas. Catamarans are often used for fishing, racing, and cruising.
Trawlers are a type of boat that is used for fishing. They have a large net that is dragged along the bottom of the ocean to catch fish. Trawlers are often used in commercial fishing operations.
Dhows are a type of boat that is used in the Indian Ocean. They are traditionally made of wood and have a single mast. Dhows are often used for fishing, trading, and transportation.
Canoe is a small boat that is typically made of wood or canvas. Canoes are often used for fishing, camping, and recreation.
In Tamil Nadu, catamarans are the most common type of fishing boat. They are made of wood and have two hulls that are connected by a beam. Catamarans are very stable and can be used in a variety of conditions, including rough seas. They are often used for fishing, racing, and cruising.