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The Fundamental Unit of Life — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceThe Fundamental Unit of Life1 Mark
MCQ
Unicellular organisms take in oxygen and pass out carbon dioxide through:
  • A
    Diffusion.
  • B
    Exosmosis.
  • C
    Endosmosis.
  • D
    Active transport.
✓

Answer

  1. Diffusion.

Explanation:

In unicellular organisms like Amoeba, gaseous exchange takes place through the process of diffusion.

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