Hardest BIOL classes at CSUN

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

  1. BIOL 106L: BIOL PRIN I LAB Average GPA 2.08, 307 students
  2. BIOL 410: MEDICAL MICROBIOL Average GPA 2.11, 244 students
  3. BIOL 215: INTRO MICROBIO Average GPA 2.27, 472 students
  4. BIOL 415L: MAMMALOGY LAB Average GPA 2.34, 103 students
  5. BIOL 472: REC DNA TECHNIQUE Average GPA 2.36, 299 students
  6. BIOL 418: Bacterial Divers Average GPA 2.36, 129 students
  7. BIOL 415: MAMMALOGY Average GPA 2.36, 121 students
  8. BIOL 315: PRIN MICROBIOLOGY Average GPA 2.37, 1,732 students
  9. BIOL 211: HUMAN ANATOMY Average GPA 2.39, 1,144 students
  10. BIOL 107L: BIOL PRIN II LAB Average GPA 2.40, 270 students
  11. BIOL 380: CELL BIOLOGY Average GPA 2.45, 2,304 students
  12. BIOL 281: HUMAN PHYSIOLOGY Average GPA 2.50, 3,385 students
  13. BIOL 470: BIOTECHNOLOGY Average GPA 2.51, 981 students
  14. BIOL 101L: GEN BIOLOGY LAB Average GPA 2.58, 801 students
  15. BIOL 241: Human Preg + Embr Average GPA 2.61, 158 students
  16. BIOL 417: MICROBIAL PHYS Average GPA 2.62, 100 students
  17. BIOL 327: Eco and People Average GPA 2.63, 743 students
  18. BIOL 444: Biol of Viruses Average GPA 2.64, 351 students
  19. BIOL 106: BIOLOGIC PRIN I Average GPA 2.65, 3,414 students
  20. BIOL 410L: MED MICROBIOL LAB Average GPA 2.65, 169 students
  21. BIOL 102CS: Bio Concepts Average GPA 2.66, 206 students
  22. BIOL 212: LAB STDS HUM ANAT Average GPA 2.69, 647 students
  23. BIOL 483: PRIN OF NEUROPHYS Average GPA 2.69, 155 students
  24. BIOL 360: GENETICS Average GPA 2.70, 2,501 students
  25. BIOL 485: Immunology Average GPA 2.70, 189 students
  26. BIOL 101EN: INTRO BIOL FOR ENGR Average GPA 2.71, 803 students
  27. BIOL 435L: PARASITOLOGY LAB Average GPA 2.76, 218 students
  28. BIOL 435: PARASITOLOGY Average GPA 2.76, 218 students
  29. BIOL 487: HEMATOLOGY Average GPA 2.76, 162 students
  30. BIOL 467: Bact Genetics Average GPA 2.77, 120 students
  31. BIOL 382: ANAT&PHYSIOL I Average GPA 2.78, 507 students
  32. BIOL 487L: HEMATOLOGY LAB Average GPA 2.78, 161 students
  33. BIOL 330L: BIOSTATS LAB Average GPA 2.81, 129 students
  34. BIOL 330: BIOSTATS EXP DESIGN Average GPA 2.81, 129 students
  35. BIOL 468: HUMAN GENETICS Average GPA 2.82, 273 students
  36. BIOL 107: BIOLOGIC PRIN II Average GPA 2.91, 3,081 students
  37. BIOL 100: INTRO BIOLOGY Average GPA 2.92, 6,832 students
  38. BIOL 215L: INTRO MICRO LAB Average GPA 2.93, 248 students
  39. BIOL 101: GENERAL BIOLOGY Average GPA 2.96, 7,490 students
  40. BIOL 392B: FLD STD: INVERT Average GPA 3.01, 109 students
  41. BIOL 313L: INVERT ZOOL LAB Average GPA 3.01, 109 students
  42. BIOL 313: INVERT ZOOLOGY Average GPA 3.01, 109 students
  43. BIOL 383: Anat&physiol Ii Average GPA 3.02, 310 students
  44. BIOL 471A: Molec Diagnostics Average GPA 3.02, 226 students
  45. BIOL 477: CELL/TISSUE CUL Average GPA 3.02, 220 students
  46. BIOL 100L: INTRO BIOLOGY LAB Average GPA 3.03, 638 students
  47. BIOL 467L: Bact Genetics Lab Average GPA 3.04, 117 students
  48. BIOL 322: EVOLUTIONARY BIOL Average GPA 3.07, 1,814 students
  49. BIOL 306: EVOLUTION NON-MAJ Average GPA 3.08, 496 students
  50. BIOL 315L: PRIN MICROBIO LAB Average GPA 3.11, 633 students
  51. BIOL 418L: Bact Diversity Lb Average GPA 3.12, 129 students
  52. BIOL 430: ICHTHYOLOGY Average GPA 3.15, 167 students
  53. BIOL 430L: ICHTHYOLOGY LAB Average GPA 3.17, 167 students
  54. BIOL 492BB: FLD STDY-ICHTHYLG Average GPA 3.17, 167 students
  55. BIOL 341: Human Preg + Embr Average GPA 3.19, 201 students
  56. BIOL 429: Marine Ecology Average GPA 3.21, 265 students
  57. BIOL 417L: MICROB PHYS LAB Average GPA 3.24, 100 students
  58. BIOL 362: Genes & Society Average GPA 3.26, 136 students
  59. BIOL 325L: LIFE IN SEA LAB Average GPA 3.29, 1,153 students
  60. BIOL 429L: Marine Ecolgy Lab Average GPA 3.29, 265 students
  61. BIOL 492I: Fld Stdy-mar Ecol Average GPA 3.29, 265 students
  62. BIOL 325: LIFE IN THE SEA Average GPA 3.31, 1,654 students
  63. BIOL 102LCS: Bio Concepts Lab Average GPA 3.31, 120 students
  64. BIOL 477L: CELL/TISSUE LAB Average GPA 3.42, 202 students
  65. BIOL 421: MARINE BIOLOGY Average GPA 3.46, 183 students
  66. BIOL 492B: FLD STDY-MAR BIO Average GPA 3.46, 182 students
  67. BIOL 421L: MARINE BIOL LAB Average GPA 3.47, 183 students
  68. BIOL 447: Fire Average GPA 3.57, 182 students
  69. BIOL 475: Biol Imaging Average GPA 3.61, 156 students
  70. BIOL 476: STEM CELL RESEARCH Average GPA 3.62, 169 students
  71. BIOL 475L: Biol Imaging Lab Average GPA 3.62, 156 students
  72. BIOL 472L: REC DNA TECH LAB Average GPA 3.65, 295 students
  73. BIOL 447L: Fire Lab Average GPA 3.65, 181 students
  74. BIOL 485L: Serology Lab Average GPA 3.66, 186 students
  75. BIOL 481: PLANT PHYSIOLOGY Average GPA 3.67, 146 students
  76. BIOL 551: COMPTR MODEL BIOL Average GPA 3.70, 100 students
  77. BIOL 551L: COMP MOD BIOL LAB Average GPA 3.70, 100 students
  78. BIOL 691: GRADUATE PROSEMAR Average GPA 3.75, 157 students
  79. BIOL 490: TUTORIAL STUDIES Average GPA 3.78, 863 students
  80. BIOL 481L: PLANT PHYSIOL LAB Average GPA 3.80, 145 students
  81. BIOL 615C: SEM IN ECOLOGY Average GPA 3.80, 113 students
  82. BIOL 483L: PRIN NEURO LAB Average GPA 3.86, 129 students
  83. BIOL 316CS: Plant Biology Average GPA 3.89, 127 students
  84. BIOL 316LCS: Plant Biology Lab Average GPA 3.89, 127 students
  85. BIOL 495C: UG RSRCH CELL MP Average GPA 3.96, 268 students
  86. BIOL 696C: Rsrch Cel Mol Phy Average GPA 3.96, 138 students
  87. BIOL 495D: Ug Rsrch Gene Dev Average GPA 3.98, 380 students

See also: Easiest classes, CSUN course catalog, BIOL course catalog.

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