O Level · Biology · Hard level · 7 questions
Plant Nutrition & Transport: Exam Style
Photosynthesis with its limiting factors, leaf structure, and the xylem and phloem, plus the four experiments the practical paper asks you to describe. This quiz is the hardest level, with O Level exam-style questions that mix the ideas together. 7 questions (multiple choice), marked the moment you finish, with the reason for every answer.
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