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  4. Which one of the following is ex-situ conservation methods for endangered species?

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Q. Which one of the following is ex-situ conservation methods for endangered species?

NTA AbhyasNTA Abhyas 2022

Solution:

Preservation at $-\left(196\right)^{o} \, \left(l i quid \, N_{2}\right)$ can maintain tissue culture, embryos, animal cells/tissues, spermatozoa, etc., which is called cryopreservation. It is an ex-situ conservation method, i.e., conservation of organisms outside their natural homes. Other ex-situ conservation methods are off-site collection and gene banks.