Practise like it's the real exam. Improve like you have a coach.
Exam-grade online mock tests for JEE Main, JEE Advanced and NEET UG, with detailed solutions and analysis that shows exactly what to work on next.
Question 6 · Single correct
Which of the following species has the highest bond order?
- AO2
- BN2
- CF2
- DO2+
- Answered
- Not answered
- Not visited
- Marked for review
- Answered & marked
Choose your exam
Test series designed separately for each exam's pattern, syllabus and difficulty.
JEE Main
Physics · Chemistry · Mathematics
Full-length and part-syllabus mocks in the current NTA computer-based format, with section-wise timing analysis and chapter-level feedback.
Explore JEE Main →JEE Advanced
Coming soonPaper 1 · Paper 2
Two-paper mocks with multiple-correct, numerical and matching question types, and the partial-marking rules used in recent papers.
Explore JEE Advanced →NEET UG
Physics · Chemistry · Biology
NEET-pattern mocks with NCERT-aligned questions, detailed solutions and a breakdown of where time and marks were lost.
Explore NEET UG →Why students practise with La Vinchis
Real exam conditions
A computer-based interface with a question palette, review marking and a server-kept timer, so test day feels familiar.
Solutions you can learn from
Every question comes with a worked solution. Chemistry uses proper equations, charges and structures, not plain text.
Analysis beyond the score Coming soon
See accuracy by chapter, time spent per question and where marks slipped, with suggestions on what to revise next.
Honest comparisons
Ranks and percentiles are among La Vinchis test takers only, and we always show how many students were compared.
Your mistakes, in one place Coming soon
Bookmark questions, add notes and reattempt the ones you got wrong, filtered by chapter.
Built for slow connections
Answers save as you go and survive a dropped connection or a page refresh.
Know what to fix before the next test
After each test you see more than a score: accuracy for every chapter, how your time was split between questions you got right, got wrong and skipped, and a short list of what to revise.
Suggestions are based on your attempts. With only a few attempts in a chapter, we say so instead of drawing conclusions.
At launch, results show your score, section-wise marks, accuracy, time taken and rank. Chapter-level analysis rolls out in the weeks after.
Chapter accuracy · Chemistry
Sample data- Chemical Bonding82%
- Thermodynamics64%
- Equilibrium48%
- Organic: GOC71%
- Coordination Compounds39%
Where your time went
- Correct 54%
- Incorrect 21%
- Skipped 25%
Suggestion: revise Coordination Compounds and Equilibrium before your next mock.
How it works
- 1
Create a free account
Takes a minute. No payment details needed.
- 2
Take a mock test
Attempt it in one sitting, just like the real exam.
- 3
Review and improve
Study the solutions and fix your weak chapters before the next mock.
Your first mock test is free
Create an account now. The first free full-length mock opens on 15 November 2026.
Frequently asked questions
Are the free mock tests really free?
Yes. Create an account and you can take every test marked Free without entering any payment details.
Does the test interface match the real exam?
The interface follows the conventions of NTA's computer-based tests: a question palette, colour-coded question status, Save & Next, Mark for Review and a server-controlled timer. It is our own design and is not affiliated with NTA.
What happens if my internet disconnects during a test?
Your answers are saved as you go. If the connection drops, the test keeps your latest answers on your device and syncs them when you reconnect. The timer is kept on our server, so a refresh does not reset it.
Are the rank and percentile official?
No. Ranks and percentiles are calculated only among La Vinchis students who took the same test. We always show how many students were compared. They are useful for practice but are not NTA scores.
Which devices can I use?
Any modern browser on a laptop, desktop, tablet or phone. For full-length mocks we recommend a laptop or desktop, because the real exam is taken on a computer.