Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 People Development & Environment Basics of Environment Environment

लुप्तप्राय प्रजातियों की सूची बनाने वाली रेड डेटा बुक का रखरखाव किया जाता है -

1
UNO
2
IUCN
3
WHO
4
WWF
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