Single Answer MCQ
Q-00040136
How do unicellular organisms excrete waste?
1
Through specialized organs
2
By using circulatory systems
3
By passive diffusion
4
Through excretory ducts
Answer and Solution
Answer
C. By passive diffusion
Solution:
Unicellular organisms excrete waste through passive diffusion from their body surface into the surrounding environment. The other options refer to more complex systems not applicable to unicellular organisms.
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