Section 28(5) in The Bihar Civil Service (Executive Branch) and the Bihar Junior Civil Service (Recruitment) Rules, 1951
(5)The structure, habit, life-history and classification of the following groups as illustrated by the types indicated against each :-Protozoa : Amoeba, Entamoeba, Trypansome, Paramocecium, monocystis and malarial parasite.Porifera : Different kinds of canal systems, skeleton and development,Coelenterate : Hydra, Obelia, Aurelia and Coral formation.Platyhelminthes : Liverfluke and taenia.Memathelminthes : Ascaris and Filaria.Echinodermata: Starfish.Annelida : Pheritima, Neries and Leech.Arthopoda : Prawn, Cockroach, Mouth parts of Mosquito, House-fly and Sacculina.Mollusca : Mussel and Pila.Polyzos : BugulaHemichordata: BalanoglossusUrochordata : Herdmania, Sarpha and DoliolumCephalochordata: Branchiostoma (Amphious).Cyclostemata : Petromyzon (external characters only).Pisces : Dogfish, A common bony fish and DipnoiAmphibia : Frog.Reptilia : Varanus and Snake (life-history included).Aves: Pigeon.Mammelia : Echidna, Kangaroo, Guinea-pig or Rabbit Placentation
