Khan Sir’s Biology notes, popular for competitive exams like SSC and Railway, offer simplified, exam-oriented content covering cytology, human physiology, and botany. Available in both Hindi and English, these notes often feature illustrated diagrams and are accessible via platforms like Scribd, Studocu, and the Google Play Store. For more details, visit
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Khan Sir’s official app (available on Play Store) provides paid batches. Some free PDFs are offered for demo topics like “Biology – Nutrition.”
Steps: Download app → Register → Go to “Free Resources” → Look for Biology sample PDF. Khan Sir Biology Pdf
While NCERT books are excellent for foundation, they are not directly mapped to the type of questions asked in SSC, Railway, or UPSC Prelims. The Khan Sir Biology PDF focuses exclusively on:
KGS NEET Telegram: Regular updates and PDF snippets are shared on the KGS NEET Hindi Medium Telegram channel. Khan Sir’s Biology notes, popular for competitive exams
Unlock the Secrets of Biology with Khan Sir's Comprehensive PDF Guide
Classification of species and terminology from phylum to species. Where to Find the Materials Method 2: Official Khan Sir App – Khan
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This is the foundation. The notes cover cell structure, organelles (Mitochondria, Ribosomes, etc.), and the difference between plant and animal cells. 2. Human Anatomy and Physiology