In this lecture basics of mutation, cause of mutation and fluctuation test and link to evolution is explained, learn it at home and answer me.... 1. Is mutation harmful? 2. Which food must not be consumed to prevent cancer? 3. What was proved by fluctuation test? 4. Book entitled "Immortals of Meluha" is written by________ on_______. 5. Which gene is responsible for infection in E.coli by T1 phage?