IGCSE O Level Biology Competitive Exam MCQs – Mock Test 227
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MCQ 1131: An excellent habitat for bacterial growth is:
MCQ 1132: If heat radiated from the Earths surface is retained, the outcome will be:
MCQ 1133: In mammals like cats and foxes, the inner hair layer acts as:
MCQ 1134: Trachea divides into two:
MCQ 1135: In grass, the function of filament is to:
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