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Which of the following is a commensalistic relationship? - Biology (Theory)

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Question

Which of the following is a commensalistic relationship?

Options

  • Plasmodium-humans

  • Epiphytes-trees

  • Human colon bacteria-humans

  • HIV-humans

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Solution

Epiphytes-trees

Explanation:

This is an example of a commensalistic relationship, where one organism (epiphytes) benefits by using the host tree for support without harming or benefiting the tree. Other options do not represent commensalism: Plasmodium-humans is parasitic, human colon bacteria-humans is mutualistic, and HIV-humans is parasitic.

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Chapter 15: Organisms and Populations - Test Your Progress [Page 607]

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Nootan Biology [English] Class 12 ISC
Chapter 15 Organisms and Populations
Test Your Progress | Q 1. 29. | Page 607
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