Tnpsc and Upsc Notes Pdf
Pravin Babu R 
Subramaniya Bharathiyar life history (1882 – 1921) Bharathiyar: A poet and a Nationalist He organised a huge public meeting in Madras in 1908 to celebrate ‘Swaraj Day’ and distributed free prints of his poems named ‘Vande Mataram’, ‘Enthayum Thayum’, and ‘Jaya Bharath’. Bharathi as a Journalist Early Days of Bharathiyar Bharathi During Exile Bharathi After … Read more
E.V.Ramasamy is famously called Periyar. He was born in 1879 in a rich family that does business in Erode. Periyar questioned superstitious beliefs even in his young days. He became Chairman of Erode Municipality. E.V.Ramasamy fought against various social evils and superstitious beliefs such as the enslavement of women. As he fought against the social … Read more
Tnpsc Group-I Syllabus with links to reference and notes for easy navigation to notes for quick reference for final day revision
India, a diverse nation with its varied geographical terrain, faces numerous natural and man-made disasters each year. From floods and cyclones to earthquakes and droughts, the country’s susceptibility to these calamities underscores the need for robust disaster management strategies. Over the years, India has evolved significantly in its approach to managing disasters, emphasizing preparedness, mitigation, … Read more
Social Geography Social Geography is the branch of human geography. It studies the relationship between society and space. Also, it is related to sociology, social phenomena, and their components. Social geography includes settlement patterns, human development, population composition, etc. It also consists of primary, secondary, and tertiary activities. Fitzgerald first tried to define social geography … Read more
Main Concepts of Life Science Life science definition The life sciences or biological sciences comprise the branches of science that involve the scientific study of life and organisms – such as microorganisms, plants, and animals including human beings. Concepts of life science Life science is one of the two major branches of natural science, the … Read more
Matthias Schleiden was a German botanist who made significant contributions to the development of the cell theory. In 1838, he published a book called “Contributions to the Phytogenesis” in which he proposed that all plants are made up of cells or derivatives of cells. He also stated that the cell is the basic unit of … Read more
The methods of securing Indian Citizenship are prescribed in the Indian Citizenship act,1955. As per the Indian Citizenship Act 1955 A person of Indian origin means any person who himself or either of his parents or his grandparents is born in undivided India. 4. Naturalisation– A foreign citizen not covered by any of the above … Read more
Animals are classified mainly into three groups namely – Oviparous, Viviparous and Ovoviviparous depends on the site of development of embryo and whether they lay eggs (unfertilized or fertilized) or give birth to young ones. Oviparous In Oviparous Ovum-egg-, Parere- to produce) animals (egg laying animals), the young hatch from eggslaid outside the mother’s body. … Read more
This notes is for Tnpsc exams covering Embryo development, fertilization, to the formation of human babies.