Final answer:
The purpose of the road test is to ensure that the applicant understands and follows traffic laws and practices safe driving. Therefore, the applicant may be tested on traffic laws, defensive driving techniques, and safe merging and lane changing.
Step-by-step explanation:
The purpose of the road test is to ensure that the applicant understands and follows traffic laws and practices safe driving. Therefore, during the road test, the applicant may be tested on various aspects, including traffic laws and regulations, defensive driving techniques, and safe merging and lane changing. In summary, all of the above options (1) Traffic laws and regulations, (2) Defensive driving techniques, and (3) Safe merging and lane changing can be included in the road test to assess the applicant's understanding of the rules of the road and driving safely.