All are correct except (d). Noctiluca is a colourless dinoflagellate. This alga is famous for bioluminescence. Noctiluca (the night light) is a colourless dinoflagelate, which is an important constituent of coastal plankton of both temperature and tropical seas. This alga is famous for bioluminescence as it was the first dinoflagellate where bioluminescence was reported The cellular slime moulds have the characters of both plants and animals. The reproductive phase is plant-like, as the spores have a cell wall composed of cellulose. However, vegetative phase is animal like having no cell wall and feeding like Amoeba