Leech is an Annelida, and has ventral central nervous system which consists of nerve ring, and a solid, double, mid ventral nerve cord with ganglia. Chameleon is a reptile, possessing pharyngeal gill slits during its embryonic development, and are later replaced by lungs. Scorpion is an Arthropoda, having dorsal heart. Octopus, a mollusc do not possess post anal tail. It is a characteristic feature of mammals. Related Theory The arthropod nervous system consists of a dorsal brain and a ventral, ganglionated longitudinal nerve cord (primitively paired) from which lateral nerves extend in each segment. The system is similar to that of annelid worms, from which arthropods may have evolved.
Which one of the following is a matching pair of a body feature and the animal possessing it?
NEET UG 2007 — Botany Animal Kingdom
2007mcqeasy
Which one of the following is a matching pair of a body feature and the animal possessing it?
Official previous-year question
Held on 30 Apr 2007 · Verified 9 Jul 2026.
Options
- A
Ventral heart-scorpion
- B
Post-anal tail-octopus
- C
Ventral central nervous system-leech
- D
Pharyngeal gill slits absent in embryo-Chameleon
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