Home Biology Biological Classification Skill Builder Which of the following statement(s) given be…
Biology Biological Classification Skill Builder Single Correct MCQ
Published on: August 12, 2026

Which of the following statement(s) given below is/are incorrect?

A
Diatomite is porous and chemically inert. It is therefore, used in filtration of sugars, alcohols, oils, syrups and antibiotics and
B
Diatomite deposits are often accompanied by petroleum fields
C
Both
D
Desmids are mainly found in dirty water and are usually indication of polluted water

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The correct answer is:
D

& are Correct: Diatomite is a popular filter (inert/porous) and its organic history often links it to petroleum sites. is Incorrect: Desmids are actually indicators of clean, fresh water, not polluted water.

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