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Match the items given in Column - I with those in Column - II and choose the correct option.
Column-I Column-II
A Mutualism I -, 0
B Ammensalism II +, +
C Parasitism III +, 0
D Commensalism IV +, -
A B C D
1 II I IV III
2 I II IV III
3 III I IV II
4 IV I III II

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answer is A.

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Detailed Solution

Mutualism	-	+, +
Ammensalism	-	-, 0
Parasitism	-	+, -
Commensalism	-	+, 0

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