In which group of organisms the cell walls form two thin overlapping shells

In which group of organisms the cell walls form two thin overlapping shells which fit together?

Options

(a) Euglenoids
(b) Dinoflagellates
(c) Slime moulds
(d) Chrysophytes

Correct Answer:

Chrysophytes

Explanation:

In chrysophytes, the cell walls form two thin overplapping shells holding together. The body of Diatoms appears like soap box due to overlapping shells.

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