327.331.  Examinations, land surveyor-in-training, surveyor-intern, and land surveyors — content — grade required to pass — effect. — 1.  After it has been determined that an applicant possesses the qualifications entitling the applicant to be examined, each applicant for examination and enrollment as a land surveyor-in-training and for examination and licensure as a professional land surveyor in Missouri shall appear before the board or its representatives for examination at the time and place specified.

  2.  The examination or examinations shall be of such form, content and duration as shall be determined by the board to thoroughly test the qualifications of each applicant to become enrolled as a land surveyor-intern or to become licensed as a professional land surveyor in Missouri.

  3.  Any applicant to be eligible for enrollment or for license must make a grade on the applicable examination of at least seventy percent.

  4.  Any person who passes the examination hereinabove specified shall be entitled to be enrolled as a land surveyor-intern or licensed as a professional land surveyor, as the case may be, in Missouri and shall receive a certificate of enrollment or a license, as the case may be.