CBSE 2023 · Region 1 · Set 3 · Q12 · 1 mark
Examples that show commensalism are :(i)An orchid growing on mango tree(ii)Cuckoo bird and crow(iii)Cuscuta growing on Nerium tree(iv)Barnacles growing on a whale
Examples that show commensalism are :
(i)
An orchid growing on mango tree
(ii)
Cuckoo bird and crow
(iii)
Cuscuta growing on Nerium tree
(iv)
Barnacles growing on a whale
Official answer
From CBSE’s own marking scheme for this paper.
(B)
(i) and (iv)
Organisms and PopulationsPopulationsRemembermcqmedium
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CBSE Class 12 Biology past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.