Single Answer MCQ
Q-00019543
What process do unicellular organisms use to excrete waste?
1
Exocytosis
2
Diffusion
3
Active Transport
4
Endocytosis
Answer and Solution
Answer
B. Diffusion
Solution:
Unicellular organisms remove their metabolic wastes through simple diffusion across their membrane into the surrounding water since they are in direct contact with the environment.
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