Environmental Biology at the University Of Ibadan (UI) accepts Agricultural Science in place of Biology at both the O’Level and JAMB stages, which is the most useful concession on this page.
Chemistry is the one subject with no alternative anywhere in the requirements. Everything else is paired with a substitute or drawn from a short list of options.

The admission requirements include O’level Subject combinations, JAMB UTME Subject combinations, and School and Departmental Cut-Off Marks.
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UI Department Of Environmental Biology Admission Requirements
O’level Subject Combinations
Candidates who wish to study Environmental Biology at the University Of Ibadan (UI) must possess Five ‘O’ level subjects in one sitting or 6 ‘O’ level subjects in two sittings, including English Language, Biology/Agric Science, Chemistry, Mathematics and any one/two of Geography, Physics, and Economics.
JAMB UTME Subject Combination
Candidates will write the following Four (4) Subjects in JAMB.
English Language, Chemistry, Agriculture or Biology, Mathematics or Physics
UI JAMB Cut-Off Mark
Generally, For any candidate to be admitted into the University Of Ibadan (UI) for any course at all, the candidate must score 200 and above in jamb. That is to say that the University Of Ibadan (UI) JAMB Cut-Off mark is 200.
UI Department Of Environmental Biology Departmental Cut-Off Mark
The UI Department of Environmental Biology Departmental Cut Off Mark is 180. That is to say that, Candidates who seek admission to the University Of Ibadan (UI) Department of Environmental Biology must score 180 and above in the school UTME Screening exercise.
Chemistry Is the Only Fixed Subject in UI Environmental Biology
The O’Level requirement is five subjects in one sitting or six across two sittings, including English Language, Biology or Agric Science, Chemistry, Mathematics and one or two of Geography, Physics and Economics.
Economics appearing among the optional credits is unusual for a biology programme. It gives candidates with a mixed science and commercial background a realistic way to complete the set.
The JAMB registration is four subjects: English Language, Chemistry, Agriculture or Biology, and Mathematics or Physics. Two of the four slots carry an explicit alternative.
Chemistry is required at both stages with no substitute offered. A candidate without a Chemistry credit has nothing on this page to fall back on.
The general JAMB cut-off for any course at the University Of Ibadan is given as 200, while the Environmental Biology departmental cut-off in the school UTME screening exercise is given as 180.

