Cell walls of diatoms are indestructible because of the presence of
A
Chitin
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B
All of the above
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C
Silica
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D
CaCO3
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Solution
The correct option is C Silica Diatoms
Diatoms are the protists which are included in class Chrysophyceae. They are found in fresh water as well as in marine environments. Most of the diatoms are photosynthetic.
Cell wall of diatoms
The two overlapping shells that form cell wall of diatoms are placed in a way that they fit like soap boxes. The cell wall is indestructible because of the silica deposition on it.