UPSC விலங்கியல் / ZOOLOGY NOTES IN TAMIL PDF

Zoology ‐ Blood and blood circulation‐Endocrine system‐Reproductive system‐ Genetics the science of heredity‐Environment, ecology, health and hygiene, Biodiversity and its conservation‐Human diseases, prevention and remedies‐ Communicable diseases and non‐ communicable diseases‐Alcoholism and drug abuse‐Animals, plants and human life.