There shall be a lieutenant governor who shall have the same qualifications as the governor. The lieutenant governor shall be elected at the same time, for the same term and in the same manner as the governor; provided that the votes cast in the general election for the nominee for governor shall be deemed cast for the nominee for lieutenant governor of the same political party. No person shall be elected to the office of lieutenant governor for more than two consecutive full terms. The lieutenant governor shall perform such duties as may be provided by law.