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Class 10 Science Medium Mcq English Medium

In single-celled organisms, specific organs for taking in food or removing waste are usually not needed because:

Question
In single-celled organisms, specific organs for taking in food or removing waste are usually not needed because:
They do not require energy
Their entire surface is in contact with the environment
They reproduce asexually
They lack cytoplasm
Answer
Their entire surface is in contact with the environment
Detailed Explanation
In a single-celled organism the entire body surface is in contact with the environment, so simple diffusion is sufficient.
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