NEET Preliminary Zoology is Part 4 of the aiGodess One Lakh Questions Challenge — the first NEET series built for the examination's expected 2027 shift to a fully-computerised, paperless, two-part (Preliminary + Main) MCQ format. This volume delivers 2,655 screening-level Zoology questions, curated from a bank of 100,000, spanning every official NEET Zoology unit with guaranteed full-syllabus coverage — no sub-topic skipped. Every answer is independently machine-verified, so no wrong key reaches you, and the option order is balanced across A–D so the exam cannot be gamed by guessing. Questions are grouped topic-wise with a complete answer key, clean single-column print typesetting, a syllabus map, and a biology notation key. Built for focused, timed self-practice, with a companion app carrying the full question bank and worked explanations.