(a) Statement - 1 is true; Statement - 2 is true; Statement - 2 is a correct explanation for statement -1
(b) Statement - 1 is true; Statement - 2 is true; Statement - 2 is not a correct explanation for statement -1
(c) Statement - 1 is true; Statement - 2 is false
(d) Statement - 1 is false; Statement - 2 is true