Home Biology Biological Classification NCERT The diatoms do not easily decay like most of…
Biology Biological Classification NCERT Single Correct MCQ
Published on: August 12, 2026

The diatoms do not easily decay like most of the other algae because -

A
They have highly siliceous wall
B
They have water proof cells
C
Their cell wall are mucilaginous
D
Cell wall is virus-resistant

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The correct answer is:
A

Diatoms have cell walls rich in silica, making them hard and resistant to decay.This allows their remains to accumulate as diatomaceous earth over time.

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