Note :-

1. Duration of Paper: 3 Hours
2. All Questions carry equal marks.
3. Medium of Competitive Exam: Bilingual in English & Hindi
4. There will be Negative Marking.
5. Objective type paper .

---

Syllabus : Zoology -I

---

1. Taxonomy

1. Principles, rules, and basis of Taxonomy and classification.
2. Binomial system of nomenclature.
3. General survey of the animal kingdom, classification up to order, and inter-relationship of the various phyla.

---

2. Diversity of Life Forms

1. Structure and functions of the invertebrates (Protozoa to Echinodermata) and their economic importance.
   1. Levels of structural organizations- Unicellular, colonial and multicellular forms, Coelom, segmentation, and metamerism.
   2. Locomotory organs and their mechanisms.
   3. Food, feeding, and digestion.
   4. Respiration.
   5. Excretory and osmoregulatory organs.
   6. Primitive and advanced nervous systems.
   7. Reproduction: Asexual, sexual, and parthenogenesis.
   8. Larval forms.

---

3. Structural Organization of Chordates

1. Protochordates, Balanoglossus, Herdmania, Branchiostoma.
2. Comparative anatomy of integument, skeletal, digestive, respiratory, circulatory, urinogenital & nervous systems of vertebrates.
3. Adaptation in vertebrates (fishes, amphibians, reptiles, birds, and mammals).
4. Economic importance of chordates.

---

4. Developmental Biology

1. Gametogenesis.
2. Fertilization.
3. Early embryonic developments (Cleavage, Blastulation, Fate maps, Morphogenetic movements, Gastrulation).
4. Organisers and Organogenesis.
5. Development of Frog and Chick including Metamorphosis.
6. Formation of extra embryonic membranes in Chick.
7. Function and types of placenta in mammals, gestation, and Parturition.
8. Cell differentiation and teratogenesis.
9. Sex differentiation in humans.

---

5. Genetics

1. Mendelian laws of inheritance, recombination, linkage, linkage maps and crossing over, Multiple alleles, gene interaction.
2. Mutation – Natural and induced mutations. Chromosome number and forms, structural rearrangements; Polyploidy.
3. Cytoplasmic inheritance.
4. Human genetics – normal and abnormal, pedigree analysis, karyotypes, genes and diseases, eugenics.
5. Sex chromosomes and sex determination.
6. Quantitative genetics- polygenic inheritance, heritability and its measurements, QTL mapping.

---

6. Evolution

1. Origin of life; history of evolutionary thoughts.
2. Lamarckism and Darwinism. Sources and nature of variations. Natural selection. Hardy-Weinberg law, Causes of speciation.
3. Concept of species and sub-species.
4. Fossils and their studies, outline of Geological eras. Origin and evolution of man.
5. Principles and theories of continental distribution of animals.
6. Zoogeographical realms of the world.

---

7. Ethology

1. Approaches and methods in the study of behaviour.
2. Proximate and ultimate causation, altruism and evolution-Group selection, kin selection, reciprocal altruism.
3. Neural basis of learning, memory, cognition, sleep, and arousal.
4. Biological clocks, Development of behaviour, Social communication; Social dominance; Use of space and territoriality. Aggressive behaviour.
5. Parental investment and Reproductive success; Parental care, Mating systems.
6. Habitat selection and optimality in foraging; Migration, orientation and navigation; Domestication and behavioural changes.