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Byju's Answer
Standard XII
Biology
Dinoflagellates
Diatom frustu...
Question
Diatom frustule is made of
A
Silica
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B
Calcium carbonate
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C
Calcium hydroxide
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D
Both B and C.
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Solution
The correct option is
B
Silica
A frustule is the hard and porous cell wall or external layer of diatoms. It is made of silicic acid and covered with a layer of organic substance.
So, the correct answer is 'Silica'
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