An example of colonial alga is :
Chlorella
Volvox
Ulothrix
Spirogyra
Thallophyta / Algae -
Chlorophyll - bearing, thalloid, avascular plants and are usually aquatic.
- wherein
Eg. Chlamydomonas, Volvox.
Option 1)
Chlorella
This is incorrect answer
Option 2)
Volvox
This is correct answer
Option 3)
Ulothrix
This is incorrect answer
Option 4)
Spirogyra
This is incorrect answer