Correct Option (b)
Reason : Biosphere reserve is an in situ conservation method. Hence, it is the most effective way among the four above for preserving genetic diversity by protecting wild population, traditional life style and domesticated plant genetic resource.
Correct Option (b) Reason : Biosphere reserve is an in situ conservation method. Hence, it is the most effective way among the four above for preserving genetic diversity by protecting wild population, traditional life style and domesticated plant genetic resource.