Q. What is common about Trypanosoma, Noctiluca, Monocystis and Giardia ?
A) These are all unicellular protists
B) They have flagella
C) They produce spores
D) These are all parasites
Explanation
[Solution from source] Trypanosoma, Noctiluca, Monocystis and Giardia are all single-celled eukaryotes, i.e. protists. Not all are parasites, since Noctiluca is a free-living marine dinoflagellate, and Monocystis has no flagella. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.