Published by:
CGP EDU Academic Team
Published on: August 13, 2026
In which group of organisms, the cell walls from two thin overlapping shells which fit together?
Text Solution
Verified by ExpertsThe correct answer is:
A
Chrysophytes include diatoms and golden algae (desmids).
In diatoms, the cell wall is composed of two thin overlapping shells (valves) called the epitheca (upper) and hypotheca (lower).
These shells fit together snugly like a soap box or petri dish.
The walls are embedded with silica, making them extremely hard and indestructible.
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