TN 7th சமக அறவயல is an educational app developed by TN Text Book Solution. It is a free Android app categorized under Education & Reference. The app provides book back questions and answers for the 7th standard Social Science textbook of the Tamil Nadu State Board.

The content of the app includes book back questions and answers for Term 1 of the 7th standard Social Science textbook. It covers chapters on Indian history, the new governments in North India, the new governments in South India, and the Delhi Sultanate. Additionally, it provides book back answers for Geography and Civics chapters on the Earth's structure, landforms, and population.

TN 7th சமக அறவயல is a valuable resource for 7th standard students studying Social Science under the Tamil Nadu State Board. It helps them practice and reinforce their understanding of the textbook material through the book back questions and answers provided in the app.