Ecosystem is [CPMT 1991; MP PMT 2002; Orissa JEE 2005] – McqOptions

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1.	Ecosystem is [CPMT 1991; MP PMT 2002; Orissa JEE 2005]
A.	Open
B.	Closed
C.	Both open and close
D.	Neither open nor closed
Answer» B. Closed

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