704 Biology IGCSE P-4 Topical Past Paper

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704 Biology IGCSE P-4 Topical PAST paper All variant Mark scheme included Questions order new to old TABLE OF CONTENT UNIT 1: CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS ANSWERS SECTION UNIT 2: ORGANISATION OF THE ORGANISM ANSWERS SECTION UNIT 3: MOVEMENT INTO AND OUT OF CELLS ANSWERS SECTION UNIT 4: BIOLOGICAL MOLECULES ANSWERS SECTION UNIT 5: ENZYMES ANSWERS SECTION UNIT 6: PLANT NUTRITION ANSWERS SECTION UNIT 7: HUMAN NUTRITION ANSWERS SECTION UNIT 8: TRANSPORT IN PLANTS ANSWERS SECTION UNIT 9: TRANSPORT IN ANIMALS ANSWERS SECTION UNIT 10: DISEASES AND IMMUNITY ANSWERS SECTION UNIT 11: GAS EXCHANGE IN HUMANS ANSWERS SECTION UNIT 12: RESPIRATION ANSWERS SECTION UNIT 13: EXCRETION IN HUMANS ANSWERS SECTION UNIT 14: COORDINATION AND RESPONSE ANSWERS SECTION UNIT 15: DRUGS ANSWERS SECTION UNIT 16: REPRODUCTION ANSWERS SECTION UNIT 17: INHERITANCE ANSWERS SECTION UNIT 18: VARIATION AND SELECTION ANSWERS SECTION UNIT 19: ORGANISMS AND THEIR ENVIRONMENT ANSWERS SECTION UNIT 20: BIOTECHNOLOGY AND GENETIC ENGINEERING ANSWERS SECTION UNIT 21: HUMAN INFLUENCES ON ECOSYSTEMS ANSWERS SECTION