In 'Choose The Analogous Pair' type, a pair of words is given, followed by four pairs of words as alternatives. The candidate is required to choose the pair in which the words bear the same relationship to each other as the words of the given pair bear.
Biography : Autobiography
A biography is a person's life story written by someone else;
whereas autobiography is one's story written by oneself.
Similarly, a testimony is a solemn declaration of one's wrong doing by someone;
while a confession is one's claim of oneself being a wrong-doer.