Which of the following is the most accepted definition of biotechnology by the European Federation of Biotechnology $(EFB)$?

• A
  Maintenance of sterile ambience for enabling growth of desired microbe/eukaryotic cell in large quantities.
• B
  Technique of using live organisms or enzymes from organisms to produce products and processes useful to humans.
• C
  Process which uses genetically engineered animals only on a large scale for the benefit of mankind.
• D
  The integration of natural science and organisms,cells,parts thereof,and molecular analogues for products and services.