NCERT · Class 12 · Biology · EvolutionWhich of the following pairs of organs are considered homologous?
Step-by-Step Solution
Homologous organs are those that have the same fundamental structure and embryonic origin, but may perform different functions. The forelimbs of a whale and the forelimbs of a human share a common anatomical skeletal plan despite being adapted for swimming and grasping respectively.
Detailed Options Breakdown
Option : Wings of a bird and wings of an insect
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Evolution.
Option 1: Forelimbs of a whale and forelimbs of a human (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Eyes of an octopus and eyes of a mammal
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Evolution.
Option 3: Flippers of penguins and dolphins
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Evolution.
💡 Study Guide: This question tests core syllabus concepts from Evolution. For formulas, key summaries, and mock exam reference guides, read the full Evolution Revision Notes.