i would presume he is a minor, so its pretty much gonna go against him with his parents if he fails or refuses to take it. All though the boy scouts are pretty lame. Anyway, it would be nice to know what kind of test it will be. U mentioned physical, so probably a clinic test possibly with lab eqp't. I would recommend you look into either dillution or substitution. The tips for those two are quite lengthy, and can be thus found by means of the search forum feature. Read carefully.