This topic from General Science and contain the complete detail about the topic.. These topics will complete covers the biology syllabus of all the TNPSC exams and Competitive exams
 
This files covers the following topic,
1. Main concept of Life science
2. Classification of Living Organisms
3. Evolution
4. Genetics
5. Physiology
6. Nutrition
7. Health & Hygiene
8. Human Diseases
9. Environment and Ecology