Q. Raphides are crystals of
A) Calcium carbonate
B) Calcium oxalate
C) Magnesium carbonate
D) Magnesium oxalate
Explanation
Raphids are needle-like long slender calcium oxalate crystals usually lying parallel to each other in a bundle, which is sometimes found in a special sac-like cell. Raphidsare commonly found in Alocasia, Colocasia, Pistia, etc.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.