Identify the incorrect statement w.r.t to kingdom Protista.
(a) Contains unicellular and eukaryotic organisms
(b) Contains gas vacuole
(c) Presence of flagella with (9+2) arrangement of microtubules
(d) Complete absence of cilia

Protists contain unicellular and eukaryotic organisms. Flagella is a locomotory structure in protists which is made of tubulin proteins and has (9+2) arrangement of microtubules. Gas vacuole is present only in prokaryote. Certain protists like Paramecium has cilia as a locomotory structure.