InterviewSolution
Saved Bookmarks
InterviewSolution
| 1. |
Pearl is secreted around theA. Mantle layerB. Foreign particle between prismatic and nacreous layerC. Foreign particle between mantle and nacreous layerD. The shell |
|
Answer» Correct Answer - C When a foreign material such as a sand grain or a parasite happens to enter the body it adheres with the mantle. The mantle epithelium at once grows over the material in the form of a sac and enclose it. This mantle epithelium starts secreting concentric layer of nacre around the foreign material. The completed structure is called pearl. |
|