AIIMS 2016 Biology Question Paper for free online practice with solutions

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Question : 6 of 60
 
Marks: +1, -0
Match column I with column II and select the correct option from the codes given below.
Column I
A. Commensalism
B. Parasitism
C. Mutualism
D. Amensalism
Column II
(i) One inhibited, other unaffected
(ii) One benefitted,other unaffected
(iii) Both are benefitted
(iv) One benefitted, other harmed
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