Four doors. Inquiring about the Graduate Admissions Office of China Agricultural University shows that the graduate courses of food science and engineering in China Agricultural University are: 10 1 Ideological and Political Theory, 20 1 English I, 302 Mathematics II, 80 1 Biochemistry. China Agricultural University was founded in 1905 and 1949. In September, Peking University Agricultural College, Tsinghua University Agricultural College and North China University Agricultural College merged to form Beijing Agricultural University.