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Many graduate schools require applicants to take standardized exams in addition to submitting undergraduate transcripts, letters of reference and essays. Many business management and administration programs require applicants to submit score for this exam. The GMAT does not directly test your knowledge of management or business issues, but rather your verbal, mathematical, and analytical reasoning aptitude. Commonly required for those applying to programs other than business administration. You may also be required to take a single-subject GRE that tests your depth and knowledge in biochemistry, biology, chemistry, computer science, economics, education, engineering, geology, history, literature, mathematics, music, physics, political science, psychology, or sociology.