Q. What is true about Mollusc?
A) Presence of metameric segmentation
B) Presence of mantle cavity and coelom cavity
C) Presence of tissue level of organisation
D) Presence of chitinous exoskeleton
Explanation
Phylum-Mollusca do not have metameric segmentation, they have a calcareous, exoskeleton with organ system level of organisation, but shows the presence of mantle cavity and coelomic cavity during development
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.