The thallus of Volvox is called _______.

(A) Filament

(B) Coenobium

(C) Coenocyte

(D) Heterotrichous

The Correct Answer is (B) Coenobium


The thallus of Volvox is called coenobium. Coenobium refers to a colony of cells in algae.

Some green algae form a colony of cells with a fixed number of cells throughout their lifespan. These colonies are called coenobium.

Volvox is a polyphyletic genus of chlorophyte green algae. It is also a colonial alga with highly differentiated colonies forming its thallus. Therefore, the thallus of Volvox is called coenobium.

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