Concept:The exercise of control over public corporations includes the power to appoint or dissolve their board of directors.
Explanation:The board of directors is the governing body of a public corporation.
The minister responsible for the corporation usually appoints the board members and can also dissolve the board.
This power is a key feature of ministerial control over public corporations.
It helps the government direct the corporation and ensure it acts in line with public policy.
Legislative control relates to lawmaking and oversight by parliament, while judicial control is exercised by courts.
Therefore, the appointment and dissolution of the board fall under ministerial control.
Answer:A. ministerial control.