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The major breakthrough in biotechnology of pre 20th century include(s) ____?

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The major breakthrough in biotechnology of pre 20th century include(s) ____? Answer: Fermentation, Vaccination, Selective Breeding

Before the 20th century, major biotechnology advances included fermentation (e.g., making wine, bread), vaccination (like Jenner's smallpox vaccine), and selective breeding of plants and animals to enhance desired traits. These laid the groundwork for modern biotechnology applications.

Question context

This question is part of 🧫 Biotechnology within the broader 🧬 Medical Science subject and appears in the ETEA Educational Testing and Evaluation Agency preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.