A) in situ conservation of biodiversity
B) advanced ex situ conservation of biodiversity
C) in situ conservation by sacred groves
D) in situ cryo-conservation of biodiversity
Correct Answer: B
Solution :
Preservation at \[-{{196}^{\text{o}}}C\] in liquid nitrogen is an advanced method for ex situ conservation of gametes, tissue culture, embryos, etc., for indefinite period? To prevent extinction of threatened voices cryopreservation is done. In situ conservation occurs at ecosystem level of threatened or endangered species.
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