@magnum
there are certainly many mistake in your solved version of mcqs. i just went through few of them and if checked thoroughly there will b more i think. people trust your posts so any thing fed to them must be right in all respects.
regards

e.g
in 2007 paper Q 5
the most common rock on earth's crust is not basalt it Granitic

and

Karsts region originally a landscape located in :

Karsts region originally a landscape located in :
(a) Belgium (b) Greece (c) Former Yugoslavia (d) None of these

Karst region is actually place in former Yugoslavia