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+4 for correct, -1 for wrong (1/4th deduction).
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NEET UG uses +4/−1 marking. Each correct answer gives 4 marks; each wrong answer loses 1 mark; unattempted questions get 0. Total exam: 180 questions, 720 max marks (Physics 45, Chemistry 45, Biology 90).
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NEET UG is the single national gateway to MBBS, BDS, and most undergraduate medical and dental seats in India. With lakhs of candidates separated by a handful of marks, the marking scheme is unforgiving: a few avoidable wrong answers can push you down thousands of ranks. The paper is entirely objective and applies a +4 / −1 scheme uniformly across Physics, Chemistry, and Biology, so every mistake costs you the same regardless of subject.
The exam has 180 questions to be answered, worth 720 marks in total. Biology (Botany plus Zoology) contributes 90 questions, while Physics and Chemistry contribute 45 each. Because Biology carries half the paper, accuracy there has the largest single effect on your final score, which is why most toppers treat Biology as a near-zero-error zone and use the calculator above to model subject-wise “what if” scenarios.
NEET awards +4 marks for every correct answer and deducts 1 mark for every wrong answer. Because each question is worth 4 marks and the deduction is 1 mark, the effective penalty is one-quarter of the question’s marks. Unattempted questions score zero with no penalty. The swing between a correct and an incorrect answer is therefore 5 marks — the 4 you gain by getting it right plus the 1 you avoid losing — which is why a single careless error is far more expensive than it first appears.
Suppose you attempt 90 questions overall, getting 70 correct and 20 wrong, and leave the rest blank.
Marks for correct: 70 × 4 = 280. Penalty for wrong: 20 × 1 = 20. Final score: 280 − 20.
Your net score is 260.
In NEET the gap between gross and net marks is brutal because every wrong answer is a 5-mark swing. A candidate who answers 160 questions at 80% accuracy (128 correct, 32 wrong) scores 512 − 32 = 480. A more disciplined candidate who answers only 150 but at 90% accuracy (135 correct, 15 wrong) scores 540 − 15 = 525 — a 45-mark lead despite attempting ten fewer questions. At NEET cutoffs, 45 marks can mean tens of thousands of ranks.
Use the subject inputs above to find your weakest section by accuracy, not by attempts. If your Physics accuracy lags Biology by even ten percentage points, that is where your net score is leaking. The winning habit is to leave a question blank the moment you cannot confidently eliminate options — a 1-mark loss avoided is worth as much to your rank as a correct answer gained.
The most common avoidable mistakes in NEET are silly errors in Physics numericals and over-attempting in the assertion-reason and statement-based Biology questions, where two options often look almost identical. Both are accuracy problems, not knowledge problems, and both are exactly what negative marking punishes. When you review a mock test, separate your wrong answers into “didn’t know” and “knew but slipped” — the second bucket is pure lost marks you can recover with discipline alone, and recovering even ten such marks can lift your rank by thousands.
One mark is deducted for every incorrect answer. Each correct answer earns +4, so the total swing between a right and a wrong answer is 5 marks.
No. Questions you do not answer score zero and carry no penalty. Negative marking applies only to wrong answers.
NEET UG has 180 questions to be answered for a maximum of 720 marks. Physics and Chemistry have 45 questions each, and Biology (Botany and Zoology combined) has 90 questions.
Multiply your number of correct answers by 4, then subtract your number of wrong answers. For example, 150 correct and 20 wrong gives (150 × 4) − 20 = 600 − 20 = 580. The calculator above does this instantly with subject-wise inputs.
Yes. The +4 / −1 scheme is identical across all three subjects. Because Biology has twice as many questions, accuracy there has the largest effect on your total score.