Question

Which one feature is common to leech, cockroach and scorpion [AIIMS 2004]
A) Nephridia
B) Ventral nerve cord
C) Cephalization
D) Antennae

Answer 1

ANSWER
..............


THE ANSWER IS ANTERNNAE

Answer 2

Answer:

Ventral nerve cord is the common feature to leech, cockroach and scorpion.

Explanation:

Leeches belong to phylum annelids where as cockroaches and scorpion  belongs to phylum arthropods.

But there is a common feature in these organisms is they have Ventral nerve cord.

This ventral nerve cord is a part of central nervous system.

Along with above mentioned phyla ventral nerve cord is also seen in nematoads.