The thalloid body of a slime mould (Myxomycetes) is known as
plasmodium
fruiting body
mycelium
protonema
Correct answer: plasmodium
Solution
In Myxomycetes, the main vegetative body is a multinucleate, creeping mass called a plasmodium. Fruiting bodies are formed later for spore production, while mycelium and protonema belong to other groups.