Colleges › UIUC › Grades › IB 420
UIUC grade distribution

IB 420: Plant Physiology

95% of the 292 students who finished IB 420 at UIUC got an A or B, across 9 sections and 4 instructors.

A 61%B 33%C 4%D/F 1%W 1%

Watch IB 420 for an open seat Free

Loading this semester's sections…

By instructor, easiest first

InstructorGrades givenStudents
McGrath, Justin M
3 sections · last Spring 2025
59% A · 35% B · 3% C · 3% D/F
100
Past instructors (3) · last taught before 2022
Briskin, Donald P
2 sections · last Spring 2019
68% A · 31% B · 2% C · 0% D/F
62
Zielinski, Raymond E
2 sections · last Spring 2016
78% A · 19% B · 3% C · 0% D/F
64
Bernacchi, Carl
2 sections · last Spring 2020
42% A · 47% B · 11% C · 0% D/F
66

Instructors with at least 20 graded students. Past grades don't guarantee future ones.

Which IB 420 section is open right now?

ClassMaxx shows this semester's IB 420 sections with live seat counts, ranked by these grades, and alerts you when a full one opens.

ClassMaxx is not affiliated with UIUC. We never ask for a school password.

Source: grade distributions published by UIUC. All UIUC grade distributions · IB 420 sections, times and prerequisites.