Testing. According to the inquiry of official website of Northwest A&F University, the core courses of the undergraduate major in agriculture in Northwest A&F University include botany, plant physiology, basic biochemistry and genetics. Advanced Mathematics, Linear Algebra and Probability Theory are a professional basic course for agronomy majors in agricultural universities. Northwest A&F University takes mathematics as an examination in agronomy. Northwest A&F University is a national key university directly under the Ministry of Education. It is located in Yangling, Shaanxi, the birthplace of farming civilization in China and the national agricultural high-tech industry demonstration zone. It was jointly established by Ministry of Education, Ministry of Agriculture, Ministry of Water Resources, State Forestry Administration, China Academy of Sciences and Shaanxi Province.