IGCSE O Level Biology MCQs – Practice Test 17 (Chapter 6)
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MCQ 81: At night, cease of photosynthesis makes water:
MCQ 82: Vector transfers the malarial parasite from:
MCQ 83: Food chain and food web is made up of:
MCQ 84: All the energy that enters the biotic part of the ecosystem is lost as:
MCQ 85: During respiration, the carbon dioxide (CO2) is:
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