on *:text:what is blog:#: { msg $chan http://kidguru-techworld.blogspot.com/ }
on *:text:what is blog?:#: { msg $chan http://kidguru-techworld.blogspot.com/ }
That second line isn't really what you think it is. The ? acts as a wildcard (for a single character) and can be anything... not just a question mark. As was mentioned, remove one and just use * and you'll be fine.
