Q. The phylum-Mollusca lack, which one of the following
A) Visceral hump
B) Malpighian tubules
C) Gills
D) Radula
Explanation
Phylum-Mollusca lack Malpighian tubules, instead have feather like gills in the mantle cavity that are useful for respiration and excretion
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.