Question

Heterotrichous thallus is shown by which organism

• A. Chlamydomonas
• B. Ectocarpus
• C. Spirogyra
• D. Volvax

Answer 1

The correct option is B Ectocarpus

B. Ectocarpus

Solution: Thallus differentiated into a prostrate portion and an upright or projecting system is called heterotrichous thallus. Heterotrichous thallus is found in green algae like Draparnaldia, Fritschiella and in some brown algae scu as Ectocarpus.

So the correct answer is "Ectocarpus"