In general and special elections the ballots for all voters of an election precinct shall be the same. In primary elections the ballot of the voter's political party at that election in that precinct shall be furnished to the voter together with separate ballots, if any, on any nonpartisan candidates and any public questions submitted to the voters generally at such primary election. In the event the voter is lawfully registered as "independent" or as an adherent of a political party not appearing on any primary election ballot to be voted in his precinct, he shall not, in a primary election, be given or entitled to vote any party ballot but shall be furnished any separate ballots to be voted thereat on nonpartisan candidates and public questions.