Second, if they are of the same sex, it is also possible that there is a big difference between body shape and height.
Third, if the person you are looking for is conspicuous and has obvious characteristics, such as red hair or running fast, it is likely to attract the attention of the teacher.
Fourth, if the physical examination teacher knows you (or has an impression of you), or if the person you are looking for knows you (which is very likely, the physical examination person will definitely not take the exam only once), then ... you may not score. ...
Fifth, it doesn't matter if you don't have a physical examination.
If it's not necessary, I suggest you don't have a physical examination. After all, it's quite expensive to go there now.