The largest port in Kerala is:

Vizhinjam Port
Kochi Port
Beypore Port
Alappuzha Port Answer: b

The correct answer is b) Kochi Port.

Kochi Port is the largest and busiest port in Kerala, India. It is located on the west coast of India, in the Laccadive Sea. The port is a major hub for trade and commerce, and is also a popular tourist destination.

Kochi Port was founded in the 14th century by the Chinese. It was later taken over by the Portuguese, Dutch, and British. The port was finally returned to India in 1947.

Kochi Port is a major gateway for trade between India and the Middle East, Africa, and Europe. The port handles a variety of cargo, including containers, bulk cargo, and oil.

Kochi Port is also a major tourist destination. The port is home to a number of historical and cultural attractions, including the Chinese Fishing Nets, the Dutch Palace, and the Mattancherry Palace.

The other options are:

a) Vizhinjam Port is a deep-water port under construction in Vizhinjam, Kerala, India. The port is expected to be completed by 2020.

c) Beypore Port is a natural harbor located in Beypore, Kerala, India. The port is a major hub for fishing and trade.

d) Alappuzha Port is a small port located in Alappuzha, Kerala, India. The port is a major hub for tourism.