Assertion: Thoms and tendrislls of Bougainvillea and Cucurbita represent homology.
Reason: Homologous organs have similar functions but are different in their structural details and origin.

Answer

C

Explanation

The organs which have the asame fundamental structure but are diffferent in functions are called homologous organs. These organs follow the same basic plan of organisation during their development for example, In plants. The homologous organs are thorn of Bougainvilea and a tendrill of Curculbita. both arising at the axiliary position.