Q.A warehouse licensed by customs authorities to store imported goods on which import duty has not yet been paid is called a:

Cold storage warehouses provide refrigerated, temperature-controlled space to preserve perishable goods like fruits and vegetables, so the answer is cold storage.

Different goods need different storage conditions, so warehouses are of several types:

• Cold storage — refrigerated warehouses that maintain low temperature and controlled humidity; used for perishables (fruits, vegetables, fish, meat, dairy, medicines).
• Bonded — licensed warehouses where imported goods are held until customs duty is paid.
• Co-operative — owned and run by co-operative societies for their members (e.g. farmers). …

The odd one out is option (b) Bonded warehouses.

Most warehouses in the list are classified according to who owns them:

• Private warehouses — owned by big traders/manufacturers for their own goods.
• Co-operative warehouses — owned and run by co-operative societies for their members.
• General (public) warehouses — owned by individuals or firms to store others' goods for a rent. …