مندرجہ ذیل میں سے کون سا ایک اندرونی تحفظ کا طریقہ ہے؟
A. None of these
B. Farmlands
C. Botanical gardens
D. Field gene banks
Explanation
In-situ conservation refers to the conservation of species in their natural habitats, and farmlands can serve as environments where species are conserved in place.
Botanical gardens and field gene banks are examples of ex-situ conservation methods, where species are conserved outside their natural habitats.