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Question
Dead remains of Diatoms at sea bed are called as
Dead remains of Diatoms at sea bed are called as
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Solution
The correct option is B Kieselguhr
Cells of Diatoms are surrounded by the cell wall, frustules, which has silica deposits. Shells of diatoms are highly resistant to decomposition due to the presence of silica and are deposited in ocean beds leading to the formation of the diatomaceous earth. Extraction, grounding, sieving and sinteration of diatomaceous earth obtain Kieselguhr which is used in filtration techniques. Thus, the correct answer is option A.
Cells of Diatoms are surrounded by the cell wall, frustules, which has silica deposits. Shells of diatoms are highly resistant to decomposition due to the presence of silica and are deposited in ocean beds leading to the formation of the diatomaceous earth. Extraction, grounding, sieving and sinteration of diatomaceous earth obtain Kieselguhr which is used in filtration techniques. Thus, the correct answer is option A.
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