It shall be the duty of the committee on judiciary to consider the appointments of the governor referred to it by the senate which require the advice and consent of the senate and all legislation and matters which affect the penal code, judicial system, ethics, open meetings, access to public records and election laws of the state, to maintain oversight over the application, execution and operation of the laws within its jurisdiction and to consider such other matters as may be referred to it by the senate. In the matters of judicial appointments and those public hearings designated by the committee chair, all testimony shall be under oath and preserved by stenographic record which shall be transcribed upon the order of the chair.