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    Question

    Tyndallisation is performed at:

    A.

    150 °C for 20 min for 2 days

    B.

    100 °C for 20 min for 3 days

    C.

    121 °C for 20 min for 2 days

    D.

    121.6 °C for 15 min for 3 days

    Correct option is B


    Tyndallisation is a method of sterilization involving intermittent heating at 100 °C for 20 minutes over 3 consecutive days. It is used to destroy spores by allowing them to germinate between heating cycles.

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