GCSE Exam GCSE Biology
                    
                        4.7.5.1 Factors affecting food security
                    
                                    
                
                    
                        4.7.5.2 Farming techniques
                    
                                    
                
                    
                        4.7.5.3 Sustainable fisheries
                    
                                    
                
                    
                        4.7.5.4 Role of biotechnology
                    
                                    
                