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Question

Endangered plant species are conserved through

  1. Herbarium
  2. Tissue culture
  3. Cryopreservation
  4. Gene bank

A
Herbarium
B
Cryopreservation
C
Tissue culture
D
Gene bank
Solution
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Gene banks are helpful in preserve genetic material of endangered species. For plants, this could be by in vitro storage, freezing cuttings from the plant, or stocking the seeds (e.g. in a seed bank). This is a method of ex-situ conservation. Ex-situ conservation is a process of conserving wildlife outside their natural habitats.
So, the correct answer is 'Gene bank'.

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