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    Question

    Which chemical is used for cryopreservation of

    seeds? 
    A Oxygen Correct Answer Incorrect Answer
    B Nitrogen Correct Answer Incorrect Answer
    C Hydrogen Correct Answer Incorrect Answer
    D Selenium Correct Answer Incorrect Answer
    E Mercury Correct Answer Incorrect Answer

    Solution

    Liquid nitrogen: Used to store seeds at -196°C, which stops metabolic deterioration and protects the seeds from contamination.

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