NEET Biology Practice Questions

Free NEET Biology multiple-choice questions across 23 chapters, each with the correct answer and a step-by-step explanation. Pick a chapter to start practising — chapter-wise and topic-wise.

NEET Biology is the largest and most scoring section — 90 questions and 360 marks (half the paper), covering Botany and Zoology. Because so many questions are direct from NCERT, near-perfect Biology is what most NEET toppers rely on.

How to prepare NEET Biology

Read NCERT line by line — NEET Biology questions are famously NCERT-based.
Practise chapter-wise and topic-wise to convert reading into recall.
Make quick-revision notes for diagrams, examples and exceptions.
Target high-weightage units: Human Physiology, Genetics, Ecology and Cell Biology.

NEET Biology practice by chapter

Biology and Human Welfare14 Qs
Biomolecules15 Qs · 1 topics
Biotechnology and Its Applications10 Qs · 3 topics
Carbohydrates13 Qs · 1 topics
Cell Structure and Function15 Qs · 11 topics
Chemical Coordination and Regulation13 Qs · 10 topics
Diversity in Living World15 Qs · 11 topics
Ecology and Environment14 Qs · 3 topics
Excretory Products and their elimination13 Qs · 14 topics
Genetics and Evolution15 Qs
Hormones11 Qs · 1 topics
Human Physiology15 Qs · 23 topics
Locomotion and Movement14 Qs · 12 topics
Neural Control and Coordination14 Qs · 4 topics
Nucleic Acids14 Qs · 1 topics
Photosynthesis and Respiration15 Qs · 4 topics
Plant Growth and Development14 Qs · 10 topics
Plant Physiology14 Qs · 3 topics
Proteins12 Qs · 1 topics
Reproduction14 Qs
Respiration15 Qs · 7 topics
Structural Organisation in Animals and Plants12 Qs · 5 topics
Vitamins3 Qs · 1 topics

NEET Biology — frequently asked questions

How many questions come from Biology in NEET?

Biology is the biggest section — 90 questions for 360 marks (45 from Botany and 45 from Zoology), which is half of the entire NEET paper.

Why is Biology the most important subject for NEET?

With 360 of 720 marks, Biology carries the highest weightage, and most questions are direct from NCERT — making it the most scoring and strategically important section.

Which Biology chapters are most important for NEET?

Human Physiology, Genetics and Evolution, Ecology, Cell Biology and Plant Physiology are consistently high-weightage for NEET.