Diatom frustule/ shell is made of_____________?
Correct answer: A. Silica
- A. Silica
- B. Calcium carbonate
- C. Manesium carbonate
- D. Both B. and C.
Explanation
A diatom frustule is a rigid shell made mainly of hydrated silica, forming the two overlapping halves of the cell wall. Students may choose calcium carbonate because it forms shells in many aquatic organisms, but diatom shells are siliceous rather than calcareous.
Last updated
Related questions
The fluid mosaic model describes the plasma membrane as
The statement that all cells arise from pre-existing cells was added to the cell theory by
The large central vacuole of a mature plant cell is bounded by a membrane called the
Which structure is normally absent from the cells of higher plants?
Plasmodesmata are