The board shall ascertain by written examination that an applicant for a license as operator is qualified in the use and understanding of all of the following:
(1) The English language, including reading, writing, and spelling.
(2) The building and safety laws of the State and any of its political subdivisions, if the branch or branches of pest control for which the applicant is applying require such knowledge.
(3) The labor laws of the State.
(4) The provisions of this chapter.
(5) Poisonous and other dangerous chemicals used in pest control, if the branch license or licenses for which the applicant is applying, require such knowledge.
(6) The theory and practice of pest control in the branch or branches for which the applicant desires to be licensed.
(7) Such other state laws, safety or health measures, or practices as are reasonably within the scope of pest control in the various branches.