Protonemata remains can be used as ______?

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Protonemata remains can be used as ______? Answer: Filtering agent

• Bio-sorbent filtration: The filamentous protonemal cells of certain mosses, like Funaria hygrometrica, can function as a bio-material for the filtration of heavy metals from wastewater. • Adsorption of heavy metals: These protonemata have a remarkable ability to adsorb and accumulate heavy metals, such as lead, gold, and platinum-group metals, making them useful for water cleaning systems. • Cell walls as the primary site: Research indicates that the cell walls of the protonema are the main location for this heavy metal adsorption

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.