There are hundreds of University and College courses in Kenya that you can study if you attained a KCSE Mean grade of B-(minus). Let us know what your career goals or interests are so that we can provide you with recommendations.
With that performance in Mathematics, options are very limited. You might want to consider religious studies courses in colleges or Artisan courses offered in TVET institutions.
When you say Biological course, are you referring to Biological sciences? If yes, then all Biological Siences courses require that you have alteast C (plain) in Mathematics. You might want to consider Social Sciences, Media Studies, Fine Arts, etc.
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