Q. Which of the following is not correctly matched?
A) $Chlamydomonas$ - Unicellular flagellated
B) $Laminaria$ - Flattened leaf-like thallus
C) $Chlorella$ - Unicellular non-flagellated
D) $Volvox$ - Colonial form, non-flagellated
Explanation
$Volvox$ is a freshwater green alga. It occurs in colonies or coenobium (in definite number or group), surrounded by a pellicle (gelatinous glycoprotein) layer. Each pyriform shaped cell has two long similar and smooth flagella, eye spot, cup-shaped chloroplast with pyrenoids and contractile vacuoles.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.