There are a few questions like that Manitas, but I always had the suspicion that the whole test was devised to have prospective immigrants falling at the first fence so to speak. I saw a Ghanaian couple at the Test Centre whose first language was English, and they were both very upset as they had both failed. (They tell you then and there if you've passed or not.)
It seemed as if the Home Office wanted to make it as difficult as possible, thereby limiting the numbers of new British Citizens.