UPSC விலங்கியல் / ZOOLOGY NOTES IN TAMIL PDF

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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.