Choose the incorrect statements among the following.A. All protistans have cell wall.B. All protistans are photosynthetic.C. All protistans lack peptidoglycan.

Some protistans like protozoans, euglenoids and vegetative body of slime moulds do not have cell wall. Only chrysophytes, many dinoflagellates and many euglenoids are photosynthetic. None of the slime moulds and protozoans are photosynthetic.