Zoology
TS Intermediate 1st Year Zoology — 8 units from the official TGBIE Annual Plan 2025-26. Covers Animal Diversity (Invertebrates + Chordates), Periplaneta Americana, Protozoa, Human Welfare, and Ecology & Environment.
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Previous Year Papers
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Explore →Syllabus — 8 Units (2025-26)
I
Diversity of Living World
Nature and scope of Zoology, biological classification, nomenclature, Kingdom Animalia, biodiversity — types, threats and conservation, IUCN Red Data
II
Structural Organization in Animals
Levels of organization, diploblastic and triploblastic, symmetry, coelom, tissue types (epithelial, connective, muscular, nervous)
III
Animal Diversity-I: Invertebrate Phyla
Phyla — Porifera, Cnidaria, Ctenophora, Platyhelminthes, Nematoda, Annelida (Earthworm), Arthropoda, Mollusca, Echinodermata, Hemichordata
IV
Animal Diversity-II: Phylum Chordata
Urochordata, Cephalochordata, Vertebrata — Cyclostomata, Chondrichthyes, Osteichthyes, Amphibia (Frog), Reptilia, Aves, Mammalia
V
Locomotion & Reproduction in Protozoa
Pseudopodia, flagella, cilia — locomotion; asexual reproduction (binary fission in Paramecium and Euglena), sexual reproduction
VI
Biology & Human Welfare
Parasitism and adaptations; diseases — Entamoeba, Plasmodium, Ascaris, Wuchereria; Typhoid, Pneumonia, Common cold, Ringworm; tobacco, drugs and alcohol abuse
VII
Type Study of Periplaneta Americana
Habitat, external features, locomotion, digestive, respiratory, circulatory, excretory, nervous (Ommatidium), and reproductive systems
VIII
Ecology & Environment
Ecology basics, abiotic factors, ecosystem components, food chains and webs, ecological pyramids, nutrient cycling (C, N, P), population attributes, environmental issues (air, water, soil pollution, global warming, ozone depletion)