Q. Which is correct?
A) Slime moulds are haploid.
B) Protozoans lack cell wall.
C) Dinoflagellates are immotile.
D) Pellicle is absent in $Euglena.$
Explanation
Protozoans lack cell wall. Cell wall is the characteristic feature of plant cells. Slime moulds are diploid, $e.g.,\ Physarum$. Dinoflagellates are motile, $e.g.,\ Noctiluca,\ Peridinium,$ etc. The body of $Euglena$ is covered with pellicle.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.