The correct option is B b. Entrepot Ports
Answer-: b
Port - specialized functions:
1. Oil Ports: These ports deal in the processing and shipping of oil. Some of these are tanker ports and some are refinery ports.
2. Ports of Call: These are the ports which originally developed as calling points on main sea routes where ships used to anchor for refueling, watering and taking food items. Later on, they developed into commercial ports. Aden, Honolulu and Singapore are good examples.
3. Packet Station: These are also known as ferry ports. These packet stations are exclusively concerned with the transportation of passengers and mail across water bodies covering short distances,
4. Entrepot Ports: These are collection centers where the goods are brought from different countries for export. Singapore is an Entrepot for Asia. Rotterdam for Europe and Copenhagen for the Baltic region.
5. Naval Ports: These are ports which have only strategic importance. These ports serve warships and have repair workshops for them. Kochi and Karwar are examples of such ports in India.