Hardest MCBL classes at UCR

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

1. MCBL 121: INTRODUCTORY MICROBIOLOGY Average GPA 3.08, 2,671 students
2. MCBL 128: Field Mycology Average GPA 3.14, 133 students
3. MCBL 120: INTRODUCTION TO PLANT PATHOLOGY Average GPA 3.15, 182 students
4. MCBL 133: ENVIRONMENTAL MICROBIOLOGY Average GPA 3.20, 227 students
5. MCBL 127: Microbial Evolution Average GPA 3.29, 150 students
6. MCBL 124: Pathogenic Microbiology Average GPA 3.30, 465 students
7. MCBL 123: INTRODUCTION TO COMPARATIVE VIROLOGY Average GPA 3.31, 576 students
8. MCBL 126: Microbiomes Average GPA 3.39, 402 students
9. MCBL 129: Host Responses to Viruses Average GPA 3.48, 591 students
10. MCBL 125: Experimental Microbiology Average GPA 3.52, 346 students
11. MCBL 121L: MICROBIOLOGY LABORATORY Average GPA 3.58, 1,535 students

See also: Easiest classes, UCR course catalog, MCBL course catalog.