Question

Which one of the following is a characteristic feature of chrysophytes?

• A. They are parasitic forms which cause disease in animals
• B. They have a protein rich layer called pellicle
• C. They have indestructible wall layer deposited with silica
• D. They are commonly called dianoflagellates

Answer 1

The correct option is C They have indestructible wall layer deposited with silica

In chrsophytes, the cell walls form two thin overlapping shells, which fit together as in a soap box. The walls are embedded with silica and thus, the walls are indestructible.