Assertion :The protoplasm of plasmodial slime mould is considered pureit in the world. Reason: Protoplasm of plasmodium is differentiated into an outer enudeated and central nucleated portions.
A
If both assertion and reason are true and reason is the correct explanation of assertion.
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B
If both assertion and reason are true but reason is not the correct explanation of assertion.
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C
If assertion is true but reason is false.
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D
If both assertion and reason are false.
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Solution
The correct option is A If both assertion and reason are true and reason is the correct explanation of assertion. The vegetative part of the slime mould does not have the cell wall they either occur as a free-living amoeboid mass of protoplasm (plasmodium) or aggregation of amoebae (pseudoplasmodium).
The protoplasm slime mould is considered as purest in the living world. It is differentiated into outer enucleated (hyaloplasm) and central nucleated portion. Thus, both the assertion and reason are true and the reason is the correct explanation of assertion.