CSIR NET Mock Test 2026: Online Practice for All 5 Subjects
Practise CSIR NET in the real three-part format, review every answer and find the topics that cost you marks before the December 2026 exam.
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CSIR NET rewards accuracy under time pressure, and a mock test is the closest you can get to the real paper before the exam, tentatively listed for 20 and 21 December 2026 in the NTA exam calendar. An online CSIR NET mock test lets you practise the Joint CSIR-UGC NET format for your own subject, review every answer and see exactly where marks are leaking.
Table of Contents
Why mock tests matter for CSIR NET
Attempt limits are strict: You answer only a fixed number of questions in each part, so choosing what to attempt is a skill you can only build by practice.
Negative marking changes your strategy: A wrong answer costs more in Part C, so guessing needs a plan, not hope.
Three hours go quickly: The paper is 180 minutes with no break between parts, and mocks teach you how long each part really takes.
The pattern a good mock test should follow
The figures below follow the June 2025 Information Bulletin, the latest one we could verify. Check the December 2026 bulletin on csirnet.nta.ac.in for any change.
Subject | Questions (A, B, C) | To attempt (A, B, C) | Negative marking |
|---|---|---|---|
Chemical Sciences | 20, 40, 60 | 15, 35, 25 | 25 percent in all parts |
Earth, Atmospheric, Ocean and Planetary Sciences | 20, 50, 80 | 15, 35, 25 | 25 percent in A and B, 33 percent in C |
Life Sciences | 20, 50, 75 | 15, 35, 25 | 25 percent in all parts |
Mathematical Sciences | 20, 40, 60 | 15, 25, 20 | 25 percent in A and B, none in C |
Physical Sciences | 20, 25, 30 | 15, 20, 20 | 25 percent in all parts |
Every paper has 200 marks. Part A is common general aptitude, Part B covers conventional subject questions and Part C asks higher-order, application-based questions.
How to use mock tests in your preparation
Start with topic-wise tests: After finishing a unit from the official syllabus, test only that unit while it is fresh.
Add part-wise practice: Solve Part A and Part C separately so you learn the pace each one needs.
Move to full-length mocks: In the last weeks, attempt complete 180-minute papers at the same time of day as the exam.
Revise from your mistakes: Re-attempt wrong questions after a few days instead of moving on.
What to check after every test
Reason for each lost mark: Label it a concept gap, calculation slip or time pressure, because each needs a different fix.
Part-wise score: See whether Part A, B or C is dragging your total down.
Attempts versus accuracy: Many candidates attempt the maximum but lose marks to negative marking, so track both numbers.