Do I need an account to use Zaymiey?

You can sign in with a Google account to sync your progress, scores, and bookmarks across devices.

Does Zaymiey cover the NCERT syllabus?

Yes. All 126 chapters across Physics (28), Chemistry (30), Biology (39), and Mathematics (29) are mapped directly to the NCERT Class 11 and Class 12 syllabus.

Can I use Zaymiey for NEET preparation?

Yes. Zaymiey offers NEET-style full mock tests (200 questions, Botany/Zoology/Physics/Chemistry sections, +4/−1 marking, 3-hour timer, All India Rank estimate), topic-wise practice at Hard difficulty, and an AI Tutor for conceptual doubt-clearing.

Can I use Zaymiey for JEE preparation?

Yes. Physics, Chemistry, and Mathematics chapters are covered at JEE level. Hard-tier questions include JEE Advanced-style multi-concept problems with step-by-step explanations.

What is the AI Tutor on Zaymiey?

The AI Tutor is powered by Google Gemini. You can ask it follow-up questions on any topic, upload images or PDFs of problems for it to solve, and get step-by-step explanations. It also suggests context-aware questions based on the topic you are studying.

How many practice questions does Zaymiey have?

Zaymiey has over 5,000 unique practice questions across all four subjects - Chemistry, Physics, Biology, and Mathematics - each with instant feedback and detailed explanations.

Does Zaymiey work without creating an account?

Yes. Notes, practice questions and Study Reels are open to everyone - just enter your name and start. A free Google account is needed only to keep taking chapterwise tests and to save your progress across devices. It is optional and only needed to save your progress across multiple devices.

Is Zaymiey good for Kerala students?

Yes. Zaymiey is designed with Kerala students in mind, following the CBSE/NCERT syllabus used in Kerala Plus One and Plus Two. The content covers all chapters tested in Kerala state board exams and the entrance exams taken by Kerala students (NEET, KEAM, JEE).

Zaymiey

Class 11 & 12 · NEET & JEE

Learn, test and revise in one place

Free notes, chapter tests and mock exams for NEET & JEE.

Notes with diagrams

Clear notes for every chapter.

Chapterwise tests

Test each chapter and track progress.

Mock exams + rank

Full mocks with a rank estimate.

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Which part of the cell is the “powerhouse of the cell”?

Mitochondria make the cell's energy (ATP), so they're called its powerhouse.

Physics · Chemistry · Biology · Maths

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Science & Math Revision for Class 11, Class 12, NEET and JEE

Zaymiey is a free revision platform for CBSE Class 11, Class 12, NEET and JEE, with NCERT-aligned chapter notes, chapterwise tests, flashcards, mock examinations, concept diagrams and progress tracking.

✅ 126 NCERT-aligned chapters across Chemistry, Physics, Biology and Math
✅ 9,000+ NEET & JEE level questions with step-by-step explanations
✅ Chapterwise Tests at three levels - Beginner, Intermediate and Competitive
✅ Full NEET-style mock tests with All India Rank estimate
✅ Flashcards - a clear-the-deck game for fast last-minute revision
✅ Optional AI Tutor - add your own free Gemini key to ask questions and upload images/PDFs
✅ Three-tier notes: Key Points, Full Notes, Advanced NEET/JEE content
✅ Study Reels - 180 swipeable, bite-sized facts for quick revision
✅ Pick up where you left off - unfinished tests and chapters are saved
✅ Topic diagrams, highlights, streaks, progress tracking and a study timer

🧪 Chemistry Notes & Quiz ⚛️ Physics Notes & Quiz 🔬 Biology Notes & Quiz 📐 Math Notes & Quiz 🎯 Free NEET Study Guides 🎬 Study Reels

Frequently Asked Questions

Is Zaymiey completely free?: Yes. All study notes, chapterwise tests, flashcards and mock tests are free - there is no payment of any kind. A free Google sign-in keeps your progress saved and unlocks unlimited tests.
Does Zaymiey cover NCERT syllabus?: Yes. All 126 chapters are mapped to NCERT Class 11 and Class 12 chapters for Physics (28), Chemistry (30), Biology (39), and Math (29).
Can I use this for NEET preparation?: Yes. Zaymiey offers NEET-style full mock tests, competitive-tier chapterwise tests, flashcards for rapid revision, and an AI Tutor for conceptual doubt-clearing.
Can I use this for JEE preparation?: Yes. Physics, Chemistry, and Math are covered at JEE Advanced level with multi-concept problems and step-by-step explanations.
What is the AI Tutor?: The AI Tutor is powered by Google Gemini. Ask follow-up questions on any topic, upload images or PDFs, and get detailed explanations.
What are Study Reels?: Study Reels are bite-sized, swipeable science and math facts - a distraction-free feed for quick revision. Each reel is one concept you can read in seconds, and links to the full chapter. Browse Study Reels.

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Counts test questions answered and minutes studied, by day, over the last year.

🤖 AI Tutor

Connect your own free Google Gemini key to unlock an AI tutor that can answer your questions right here in the app. Genuinely free, forever - no credit card required.

Go to aistudio.google.com and sign in with any Google account.
Click Create API key.
Copy the key, paste it below, and click Connect.

Your key is stored only in your browser and is sent directly to Google's API when you ask a question. It never passes through our servers, and it's free with no credit card, ever.

✅ Connected. Look for the 🤖 Ask AI Tutor button when reading any topic, or just start chatting below - you can upload a diagram, your notes, or a question you've answered, and ask about any of it.

📝 NEET Full-Length Mock Test

Start Notice: The test will start immediately when you press "Start Test" below.

Total Questions: 180 (45 Physics, 45 Chemistry, 45 Botany, 45 Zoology)

Duration: 3 hours (180 minutes)

Marking Scheme: +4 for correct, −1 for incorrect, 0 for unattempted

Questions are freshly randomised from our full question bank every time you take it - so you can retake it as many times as you want.

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Science & Math Revision for Class 11, Class 12, NEET and JEE

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