IGCSE Edexcel Double Science Biology 4BI1 Topic questions (9-1) Here you will find all IGCSE Edexcel Double Science Biology Topic questions (9-1) (4BI1) to revise by topic and exam board. Cell Structure 25 practice questions on Cell Structure Animal Tissues, Organs and Organ Systems 25 practice questions on Animal Tissues, Organs and Organ Systems Communicable Diseases 25 practice questions on Communicable Diseases Communicable Diseases 25 practice questions on Communicable Diseases Organisation of an Ecosystem 25 practice questions on Organisation of an Ecosystem Respiration 25 practice questions on Respiration Reproduction 25 practice questions on Reproduction The nature and variety of living organisms Characteristics of living organisms Variety of living organisms Question Papers Question Papers Mark Scheme Mark Scheme Video Solution Video Solution Structure and functions in living organisms Level of organisation Cell structure Biological molecules Movement of substances into and out of cells Nutrition Respiration Gas exchange Transport Excretion Co-ordination and response Question Papers Question Papers Question Papers Question Papers Question Papers Question Papers Question Papers Question Papers Question Papers Question Papers Mark Scheme Mark Scheme Mark Scheme Mark Scheme Mark Scheme Mark Scheme Mark Scheme Mark Scheme Mark Scheme Mark Scheme Video Solution Video Solution Video Solution Video Solution Video Solution Video Solution Video Solution Video Solution Video Solution Video Solution Reproduction and inheritance Reproduction Inheritance Question Papers Question Papers Mark Scheme Mark Scheme Video Solution Video Solution Ecology and the environment The organism in the environment Feeding relationships Cycles within ecosystems Human influences on the environment Question Papers Question Papers Question Papers Question Papers Mark Scheme Mark Scheme Mark Scheme Mark Scheme Video Solution Video Solution Video Solution Video Solution Use of biological resources Food production Selective breeding Genetic modification (genetic engineering) Cloning Question Papers Question Papers Question Papers Question Papers Mark Scheme Mark Scheme Mark Scheme Mark Scheme Video Solution Video Solution Video Solution Video Solution
