What it the function of contractile vacuole in ... - JAMB Biology 2018 Question
What it the function of contractile vacuole in paramecium
A
Produces Enzymes
B
Gets rid of excreta
C
Stores and digest food
D
Gets rid of excess water
correct option: b
Osmoregulation. Paramecium and amoeba live in fresh water. Their cytoplasm contains a greater concentration of solutes than their surroundings and so they absorb water by osmosis. The excess water is collected into a contractile vacuole which swells and finally expels water through an opening in the cell membrane.
: Excretion in Paramecium is carried out by the Contractile vacuoles
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