The vacuole which helps in osmoregulation is found in_________.
A
Plants
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B
Paramecium and Amoeba
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C
Bacteria and Amoeba
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D
Paramecium and bacteria
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Solution
The correct option is B Paramecium and Amoeba The contractile vacuole helps in the process of osmoregulation which is the maintenance of water and salt balance. It can be observed in unicellular organisms such as Paramecium and Amoeba. They use contractile vacuoles to collect excess water and expel it out of the body.