It has been of paramount importance that the students, research scientist, extension scientists as well as field extension functionaries must possess knowledge and understanding of standardizing knowledge test that can be used for various extensions education purposes. Technique for the same is explained through the present research study. Very limited works have been done for standardizing the knowledge test. Such tests are very common in western countries, particularly in U.S.A., where they are very helpful in selecting candidates for admission to various classes in the universities and colleges. They also help to bring about uniformity in the academic excellence of students throughout the country. Serious and concerted efforts should be made in India also for standardizing knowledge test

Keyword: Standardizing; Knowledge Test; Item Difficulty; Item Discrimination; Point-Biserial (rpb),