Hardest BIOL-B classes at IU

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

  1. BIOL-B 300: Vascular Plants Average GPA 2.94, 384 students
  2. BIOL-B 371: Ecological Plant Physiology Average GPA 3.16, 268 students

See also: Easiest classes, IU course catalog, BIOL-B course catalog.

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