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Q.
Which of the following are not analogous organs?
UP CPMTUP CPMT 2009Evolution
Solution:
Thorns of Bougainvillea and tendril of Cucurbita are homologous in nature. Both are modified branches and are axillary in position. It means axillary branches in Boungainvillea are modified into thorns for protection from burrowing animals and in Cucurbita into tendrils for climbing.