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Question

One of the ex-situ conversation methods for endangered species is
  1. Wildlife sanctuaries
  2. Biosphere reserves
  3. National parks
  4. Cryopreservation

A
Wildlife sanctuaries
B
Biosphere reserves
C
National parks
D
Cryopreservation
Solution
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Ex-situ conservation is the method of selecting plants or animals in places outside their natural homes,e.g. cryopreservation, tissue culture etc. They are the sources of genetic material for breeders and genetic engineering. Cryopreservation is a process where cells, whole tissues, or any other substances susceptible to damage caused by chemical reactivity or time are preserved by cooling at -196oC under liquid nitrogen.
Therefore, the correct answer is option C.

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