In the following in each set a conservation approch and an example of method of conservation are given
(a) In-situ conservation - Biosphere Reserve
(b) Ex-situ conservation - Sacred groves
(c) In situ conservation - Seed bank
(d) Ex-situ conservation - Cryopreservation
Select the option with correct match of approch and method
(a) and (d)
(b) and (d)
(a) and (b)
(a) and (c)
In-situ conversation is carried out in natural ecosystem while ex-situ is in artificial ecosystem.
Examples of in-situ are national parks(biosphere reserves) and wildlife sanctuaries.
Examples of ex-situ are gene banks, seed banks abd zoological gardens
Hence, the correct option is (a).