Q. Which phylum is the largest in Animalia and includes over two-thirds of all named species on earth?
A) Arthropoda
B) Mollusca
C) Chordata
D) Annelida
Explanation
Arthropoda is the largest phylum and includes insects. Mollusca is the second largest phylum.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.