Is it possible to make a random captcha for a google form? You may search and find on google groups and other sources a hard no to this question but, in fact, there is one method that I made that works pretty well. Unfortunately, there are some catches with the method that I am about to show you, but until we get to that, we first have to ensure that we can meet a requirement that this method has.  This primary requirement is an URL/server that can generate dynamically a captcha image from a given text passed into an HTTP GET variable.

Luckily there are some free servers that can do just that. View full article