Home Biology Biological Classification Kingdom–Protista Shell of diatoms is made up of :–
Biology Biological Classification Kingdom–Protista Single Correct MCQ
Published on: August 21, 2026

Shell of diatoms is made up of :–

A
Silica
B
Calcium carbonate
C
Keratin
D
Calcium oxalate

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Text Solution

Verified by Experts
The correct answer is:
A

The cell wall (shell) of diatoms is made of silica (SiO 2 ). It forms a hard, glass-like structure called the frustule.

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