TNPSC Group 2 · 2013 Preliminary Examination
129.
Match the type of respiration in insects in Column I with Column II and choose the correct answer:
Column I — Column II
(a) Holopneustic — 1. Spiracles are replaced by gills
(b) Metapneustic — 2. Only the prothoracic spiracles are open
(c) Propneustic — 3. All the spiracles are open
(d) Branchipneustic — 4. Prothoracic and posterior abdominal spiracles are open
(e) Amphipneustic — 5. Only last pair of spiracles are open
Answer:
B.
3 5 2 1 4