Few of them were mistakes due to MS word like Stdout instead of STDOUT. I am sorry for that.

Yes, lots of efforts are needed before posting full proof expert like quiz. I am beginner in Perl programming and got many things from these comments that how much effort I need before posting anything here or even in our website.

Thanks for all expert comments. Criticism is always good for someone (here for me :)).

I will try to put next quiz after experimenting and testing a lot.

Davido, as per your comments I modified many questions and answers. hope there will less bugs now.

Perl acronym will always be there even t doesn't mean so. Check Wikipedia or any good universities documents. It will be there. ex: http://www.cs.cmu.edu/cgi-bin/perl-man (Canergie Mellon University). So let ti be there for our reference in case if its asked.