A.CaCO3
B.Silica
C.Bone
D.Gorgonin
Related Mcqs:
- Shell in pila is made up of:
- The skeleton of sponges is made up of___________??
- A tympanic bone
- Bone formed by ossification in tendon is called:
- The principal ingredients of moulding sands are
- Cement factory labourers are prone to __________?
- Which of the following statement about osteoporosis is incorrect.?
- The facting sand used in foundry generally consists of
- The neutralizing values of the following liming materials are such that:
- In mouth cavity of many molluscs there is a rasping tongue like structure_________provided with many horny teeth.?