The number of biosphere reserves in Pakistan recognized as a part of world network of biospheres:March 9, 2021March 9, 2021 Marwa KhanIn Environmental Science MCQsLeave a Comment on The number of biosphere reserves in Pakistan recognized as a part of world network of biospheres: A. 5 B. 6 C. 7 D. 8 Answer Correct Answer: C. 7