Hardest BTNY classes at Purdue

Ranked by average GPA from official grade distributions. Only courses with at least 100 graded students.

1. BTNY 12100: Principles of Plant Biology Ii Average GPA 2.59, 217 students
2. BTNY 30400: Intro Weed Science Average GPA 2.86, 314 students
3. BTNY 30200: Plant Ecology Average GPA 2.89, 171 students
4. BTNY 11000: Intro to Plant Science Average GPA 2.96, 1,515 students
5. BTNY 30100: Intro Plant Pathology Average GPA 3.07, 266 students
6. BTNY 30500: Plant Evolution and Taxonomy Average GPA 3.15, 133 students
7. BTNY 12000: Principles of Plant Biology I Average GPA 3.27, 246 students
8. BTNY 28500: Plants and Civilization Average GPA 3.40, 130 students
9. BTNY 20700: The Microbial World Average GPA 3.42, 100 students
10. BTNY 35000: Biotechnology in Ag Average GPA 3.58, 201 students

See also: Easiest classes, Purdue course catalog, BTNY course catalog.