Which of the following is not in-situ method for conservation?

مندرجہ ذیل میں سے کون سا طریقہ تحفظ کے لیے ان سیٹو طریقہ نہیں ہے؟

National Park

Agroecosystem

Field gene banks

None of these

Field gene banks are ex-situ methods, as they store genetic material outside natural habitats.

In-situ conservation involves protecting species in their natural environments, such as national parks and agroecosystems.