Q. Read the following statements about phylum Annelida. Identify the true and false statements and select the correct option after referring to the given table.
. Annelids are diploblastic, metamerically segmented, coelomate animals.
. Their neural system consists of paired ganglia connected by lateral nerves to a single ventral nerve cord.
. They possess longitudinal and circular muscle fibres which help in locomotion.
. Nephridia help them in osmoregulation and excretion.

 2004  183 Animal Kingdom Report Error

Solution:

Annelids are triploblastic, metamerically segmented, coelomate animals. Their neural system consists of paired ganglia connected by lateral nerves to a double ventral nerve cord.