Structural Organisation In Animals Question 164

Question: Druse is a crystal or deposit of [CPMT 1984]

Options:

A) Calcium oxalate

B) Calcium carbonate

C) Starch

D) Silica

Show Answer

Answer:

Correct Answer: A

Solution:

Calcium oxalate substances deposited on the cuticle surface.

Druse and Raphides (e.g., Pistia) are crystals.