A Level CIE Biology Topic Question Past paper and exam-style questions organised by topic, with student-friendly answers written by teachers and examiners. 12. Energy & Respiration13. Photosynthesis14.Homeostasis15.Control & Co-ordination16.Inheritance17.Selection & Evaluation18.Classification ,Biodiversity & conservation19. Genetic technology QP MS 1. Energy & Respiration QP2.Inheritance QP3.Homeostasis QP4. Plant Homeostasis QP5.Genetic Technology QP6.Gene Control QP 1. Energy & Respiration MS2.Inheritance MS3.Homeostasis MS4. Plant Homeostasis MS5.Genetic Technology MS6.Gene Control MS