The Chief Minister is the head of the:

Executive branch
Legislative branch
Judicial branch
None of the above

The Chief Minister is the head of the executive branch of government in a parliamentary system. The executive branch is responsible for carrying out the laws passed by the legislative branch. The Chief Minister is appointed by the Governor-General, who is the representative of the Queen in the country. The Chief Minister then chooses a cabinet of ministers to help them run the government. The cabinet is responsible for making decisions on a range of issues, including education, health, and the economy. The Chief Minister is accountable to the Parliament, which can vote to remove them from office.

The legislative branch is responsible for making laws. In a parliamentary system, the legislative branch is made up of a parliament or congress. The members of parliament are elected by the people. The parliament is responsible for passing laws, approving the budget, and overseeing the government.

The judicial branch is responsible for interpreting the law. In a parliamentary system, the judicial branch is made up of a supreme court or high court. The judges of the supreme court are appointed by the Governor-General. The supreme court is responsible for interpreting the constitution and deciding on the constitutionality of laws.

Therefore, the correct answer is: The Chief Minister is the head of the executive branch.