The correct answer is B) Alappuzha.
The backwaters of Kerala are a vast network of canals, rivers, lakes, and lagoons that crisscross the state. They are a popular tourist destination, known for their beauty and tranquility. The backwaters are primarily found in the Alappuzha district, which is located in the south of the state. Alappuzha is known as the “Venice of the East” because of its extensive network of canals. The backwaters are a popular spot for boating, fishing, and bird watching.
The other options are incorrect. Kollam is a district in the south of Kerala. It is known for its beaches, backwaters, and temples. Ernakulam is a district in the north of Kerala. It is known for its commercial importance and its cultural heritage. Thiruvananthapuram is the capital of Kerala. It is known for its palaces, museums, and temples.