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The thalloid body of a slime mould (Myxomycetes) is known as -
A
Protonema
B
Plasmodium
C
Fruiting body
D
Mycelium
Detailed Solution
Slime moulds are saprophytic protists that move along decaying twigs and leaves, engulfing organic material.
The vegetative body of an acellular slime mould (Myxomycetes) is a naked, multinucleate mass of protoplasm without cell walls.
This body is called a plasmodium; under suitable conditions it may grow and spread over several feet.
During unfavourable conditions the plasmodium differentiates and forms fruiting bodies, which bear spores at their tips.
Protonema is the juvenile filamentous stage of mosses.
Mycelium is the body of a fungus, made up of hyphae.
So the thalloid body of a slime mould is known as the plasmodium.
The vegetative body of an acellular slime mould (Myxomycetes) is a naked, multinucleate mass of protoplasm without cell walls.
This body is called a plasmodium; under suitable conditions it may grow and spread over several feet.
During unfavourable conditions the plasmodium differentiates and forms fruiting bodies, which bear spores at their tips.
Protonema is the juvenile filamentous stage of mosses.
Mycelium is the body of a fungus, made up of hyphae.
So the thalloid body of a slime mould is known as the plasmodium.