: Questions should be organized by chapter and sub-topic (e.g., "The Living World" or "Genetics") to allow for structured practice.
: The best resources extract MCQs from every single line of the NCERT textbooks, which accounts for roughly 85–90% of the actual NEET exam. [PDF] neet biology mcq.pdf
: High-quality PDFs often divide questions into "Level 1" (basic NCERT) and "Level 2" or "HOTS" (Higher Order Thinking Skills). Comparison of Popular Sources : Questions should be organized by chapter and sub-topic (e