Match List-I with List-II regarding animal structures and the phylum/class they belong to.
Column I
- A. $Pleurobrachia$
- B. Radula
- C. Stomochord
- D. Air bladder
Column II
- I. Mollusca
- II. Ctenophora
- III. Osteichthyes
- IV. Hemichordata
Correct answer: A → II, B → I, C → IV, D → III
Solution
$Pleurobrachia$ – phylum Ctenophora
Radula (file-like rasping feeding organ) – Mollusca
Stomochord (rudimentary notochord-like structure in the collar) – Hemichordata
Air bladder (regulates buoyancy) – Osteichthyes
Correct match: A-II, B-I, C-IV, D-III.
Concept
Matching Pleurobrachia, radula, stomochord, air bladder to their phylum/class
Animal Kingdom in past papers
123 questions from this chapter have appeared across 27 exam years.
