Which of the following are not a public corporation? the

The Nigeria Teachers Institute is not a public corporation. Public corporations are government-owned businesses that operate independently to provide services and generate revenue for the government. These corporations are established by the government and operate under specific laws and regulations. The Nigeria Ports Authority, National Electric Power Authority, Nigeria National Shipping Line, and Nigeria Steel Development Authority are all public corporations in Nigeria. They are established by the government to provide specific services to the public and generate revenue for the government. The Nigeria Teachers Institute, on the other hand, is a government institution established to provide training and professional development for teachers in Nigeria. It is not a business or service provider, and therefore not a public corporation.