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NEETZoologyEvolution

Which of the following pairs of structures represents homologous organs?

Options

  1. ASweet potato and potato
  2. BThorns of Bougainvillea and tendrils of Cucurbita
  3. CEyes of octopus and mammals
  4. DFlippers of penguins and dolphins

Correct answer

B. Thorns of Bougainvillea and tendrils of Cucurbita

Step-by-step solution

Homologous organs are those that share a common anatomical origin but may perform different functions, representing divergent evolution. Thorns of Bougainvillea and tendrils of Cucurbita are both modifications of axillary buds. They share a common origin but perform different functions (protection and climbing, respectively), making them homologous organs. Sweet potato (a root modification) and potato (a stem modification) perform the same function of food storage but have different origins, making them analogous o

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