Provide the definitions/explanations for the following:
$(i)$ Gene Bank
$(ii)$ Ex-situ Conservation

(N/A) $(i)$ Gene Bank: These are facilities established for the preservation of rare or valuable genetic material. They are particularly important for the conservation of crop varieties and wild genetic resources.
$(ii)$ Ex-situ Conservation: The conservation of genetic resources outside their natural habitats is known as ex-situ conservation. Examples include botanical gardens,zoological parks,and seed banks.