Q. Thorn of Bougainvillea and tendril of Cucurbita are example of
A) Retrogressive evolution
B) Analogous organs
C) Homologous organs
D) Vestigial organs
Explanation
[Solution from source] Both the thorn of Bougainvillea and the tendril of Cucurbita are modified axillary branches (stem origin) that now do different jobs, which makes them homologous, the NCERT example of divergent evolution. Analogous organs would share function but differ in origin. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.