Question

The algae with filamentous plant body
(A) Ulothrix
(B) Volvox
(C) Chlamydomonas
(D) Porphyra​

Answer 1

The algae with filamentous plant body is Ulothrix

Explanation:

Ulothrix is a genus filamentous green algae that do not have any branch. They live in fresh and marine water bodies. They thrive in the spring and winter season. They become attached to surfaces by a modified holdfast cell. Reproduction is normally vegetative.

Volvox is a polyphyletic genus of chlorophyte green algae in the family Volvocaceae. They form spherical colonies.

Chlamydomonas is a genus of green algae consisting of about 325 species all unicellular flagellates, found in stagnant water and on damp soil.

Porphyra is a coldwater seaweed that belongs to red algae phylum of laver species.

So Option A is the answer.