✅ Checked against the actual book
Every answer is written against the real Samacheer Kalvi / NCERT chapter or the official guide — verified for accuracy, not generated once and forgotten.
❓ Common Questions
Frequently Asked Questions
Which classes and subjects does Brain Grain cover? ▾
Samacheer Kalvi Classes 6 to 12. Classes 6–10 cover Science, Maths, Social Science, English and Tamil; Classes 11–12 cover Physics, Chemistry, Botany, Zoology and Maths. Every subject has a class hub page with chapter-wise Q&A.
Is Brain Grain free to use? ▾
Yes. All chapter book-back Q&A, MCQs, important questions and SSLC public exam papers are free to read, with no login required.
What does each chapter page include? ▾
Each chapter page has the Samacheer Kalvi book-back questions and answers, MCQs, fill-in-the-blanks, true/false, match-the-following and important questions, with answers verified against the textbook.
Does Brain Grain support Tamil and English? ▾
Yes. Content is available in English, and many subjects include Tamil-medium support. TNTET, CTET and competitive-exam practice MCQs are bilingual.
Are SSLC public exam question papers available? ▾
Yes. Class 10 SSLC public exam question papers from 2020 to 2026 are available on the site, along with subject-wise 1-mark MCQ revision by year.