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.