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Which one of the following is an Ex-situ method of biodiversity conservation ?

  • A.Seed storage
  • B.DNA Bank
  • C.Tissue culture
  • D.All the above

Answer: D

Ex-situ conservation keeps biological material outside its natural habitat, and seed storage in seed banks, DNA banks that hold genetic material, and tissue culture that maintains plant cells and tissue in vitro are all examples. Since every one of the three listed methods is ex-situ, the answer is 'all the above'. In-situ methods, in contrast, protect species in their natural habitat in places such as national parks, sanctuaries and biosphere reserves.

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