Class 12th Biology 2011 Set3 Delhi Board Paper Solution
Question 20
Name the type of interaction seen in each of the following examples:
Name the type of interaction seen in each of the following examples:
(i) Ascaris worms living in the intestine of human
(ii) Wasp pollinating fig inflorescence
(iii) Clown fish living among the tentacles of sea-anemone
(iv) Mycorrhizae living on the roots of higher plants
(v) Orchid growing on a branch of a mango tree
(vi) Disappearance of smaller barnacles when Balanus dominated in the Coast of Scotland.
Answer
(i) Parasitism
(ii) Mutualism
(iii) Commensalism
(iv) Mutualism
(v) Commensalism
(vi) Competition
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