Question

what is the nature of cell walls in diatoms?​

Answer 1

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The cell walls of diatoms are made of silica. Their cell wall construction is known as frustule.

It consists of two thin overlapping shells that fit into each other such as a soap box.

When the diatoms die, the silica in their cell walls gets deposited in the form of diatomaceous earth.

This diatomaceous earth is very soft and quite inert.

It is used in filtration of oils____sugars and for other industrial purposes.

Answer 2

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The process of cell walls construction of diatoms is known as Frustule. It has two thin overlapping shells fitting into each other just as a soap-box. Their walls are made up of silica. The dead and decomposed diatoms deposit the sillica present in their walls in form of diatomaceous earth.