IGCSE O Level Biology Exam MCQs – Practice Test 20 (Chapter 9)
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MCQ 96: Homeostasis is build on the principle of:
MCQ 97: Protein that is deposited on epidermis is:
MCQ 98: Sweat gland is hooked in:
MCQ 99: Skin is protected from harmful ultraviolet rays through:
MCQ 100: In a healthy person, excess glucose is:
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