Q. Assertion:The protoplasm of plasmodial slime mould is considered purest in the world.
Reason : Protoplasm of plasmodium is differentiated into an outer enucleated and central nucleated portions.

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Solution:

Vegetative part of slime moulds does not possess cell wall they either occur as free living amoeboid mass of protoplasm (plasmodium) or aggregation of amoebae (pseudoplasmodium). The protoplasm of plasmodial slime mould is considered as purest in the living world. It is differentiated into outer enucleated (hyaloplasm) and central nucleated portions. At maturity, it may contain several hundred to many thousand nuclei. The protoplasm is vacuolated.