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Q.

Match the items given in column I with those in column II and select the correct option.Column IColumn II(a)Cuckoo and crow(i)Commensalism(b)Balanus and Chthamalus(ii)Brood parasitism(c)Mycorrhizae(iii)Competition(d)Cattle egret and cattle(iv)Mutualism

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a

a-ii; b-iii; c-i; d-iv

b

a-iii; b-ii; c-iv; d-i

c

a-ii; b-iii; c-iv; d-i

d

a-iv; b-i; c-ii; d-iii

answer is C.

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Detailed Solution

Cuckoo and crow – Brood parasitismBalanus and Chthamalus – CompetitionMycorrhizae – MutualismCattle egret and cattle – Commensalism

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