Q. In Amoeba the (i) vacuole is important for osmoregulation and excretion. In many cells, as in protists, (ii) vacuoles are formed by engulfing the particles.

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Solution:

In Amoeba the contractile vacuole is important for osmoregulation and excretion. In many cells, as in protists, food vacuoles are formed by engulfing the food particles.