3.0. General Characters – Strictly restrict to 8 Salient Features only; Classification up to Classes with Two or Three examples – Brief account only 3.1 Porifera 3.2 Cnidaria 3.3 Ctenophora 3.4 Platyhelminthes 3.5 Nematoda 3.6 Annelida 3.7 Arthropoda 3.8 Mollusca 3.9 Echinodermata 3.10.Hemichordata
1 - Diversity of Living World 2 - Structural Organisation in Animals 3 - Animal Diversity - I : Invertebratephyla 4 - Animal Diversity - II : Chordata 5 - Locomotion & Reproduction in Protozoa 6 - Biology and Human Welfare 7 - Type Study of Periplaneta Americana 8 - Ecology & Environment