01The nature and variety of living organisms36 questions1(a) Characteristics of living organisms15 questionsStart1(b) Variety of living organisms21 questionsStart
02Structure and functions in living organisms722 questions2(a) Level of organisation14 questionsStart2(b) Cell structure39 questionsStart2(c) Biological molecules60 questionsStart2(d) Movement of substances into and out of cells68 questionsStart2(e) Nutrition140 questionsStart2(f) Respiration56 questionsStart2(g) Gas exchange39 questionsStart2(h) Transport177 questionsStart2(i) Excretion33 questionsStart2(j) Co-ordination and response96 questionsStart
03Reproduction and inheritance222 questions3(a) Reproduction95 questionsStart3(b) Inheritance127 questionsStart
04Ecology and the environment139 questions4(a) The organism in the environment31 questionsStart4(b) Feeding relationships41 questionsStart4(c) Cycles within ecosystems23 questionsStart4(d) Human influences on the environment44 questionsStart
05Use of biological resources121 questions5(a) Food production53 questionsStart5(b) Selective breeding16 questionsStart5(c) Genetic modification (genetic engineering)29 questionsStart5(d) Cloning23 questionsStart
