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Life Processes — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceLife Processes2 Marks
Question
How are waste products excreted in Amoeba?
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Answer

Excretion in Amoeba: In amoeba, the waste material carbon-dioxide is removed by diffusion through the cell membrane, but nitrogenous waste and excess water are removed by contractile vacuole.

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