They are in charge of the EXECUTIVE BRANCH of government (in their state).
executive branch
Judcial Branch
This is not a branch of agriculture but a branch of medial science.
Actually, Topology is a branch of mathematics.
No. It is a part of the Executive Branch.
The President, Vice-President, and the Cabinet agencies are part of the federal Executive Branch. Governors and mayors are part of the state Executive Branch.
Rheumatology.
Judicial
Since tornadoes are a form of weather they fall under study of meteorology.
Organic chemistry
No governors have judicial power. That power rests with the judicial branch.
There is no particular branch which deals with extinction, but it would fall under zoology,