Hello, here I am providing you the details of the GRE exam and also the website of the GRE as under:

Website:
gre.org

About GRE:
Getting an advanced degree can create many opportunities. in fact, recent data from the Bureau of Labor Statistics and The Organisation for Economic Co-operation illustrates how education pays in higher earnings and lower unemployment rates.

GRE subject test:
Biochemistry, Cell and Molecular Biology
Biology
Chemistry
Literature in English
Mathematics
Physics
Psychology

Fees:
Standard Test Administration
Subject Tests — worldwide $150

Special Handling Request prices
Late registration fee (online registration only) $25
Standby testing $50
Rescheduling fee $50
Changing your test center $50
Changing your Subject Test $50

Paper pattern:
Verbal Reasoning
Quantitative Reasoning
Analytical Writing