CSIR NET 2025 Dec Analysis (Shift 2) OUT: Check Maths, Chemical & Physical Science Difficulty Level, Questions & Answer
Council of Scientific and Industrial Research National Eligibility Test 2026 ( CSIR NET )
The NTA conducted the CSIR NET 2025 December session exam in two shifts across the country on December 18. Scroll down for detailed exam analysis for Shift 2, including the overall difficulty level, topics asked, subject-wise difficulty level, good attempts, etc.
CSIR NET 2025 December Mathematical, Chemical and Physical Science Question paper Analysis
CSIR NET 2025 Shift 2 Exam Analysis OUT: The National Testing Agency (NTA) successfully conducted the CSIR NET 2025 December session exam on December 18 in two shifts. The NTA conducted the CSIR NET exam in a single day for all five subjects, including Life Science, Earth Science, Physical Science, Mathematical Science, and Environmental Science. Scroll down for the CSIR UGC NET exam analysis Shift 2 based on the students feedback, including the overall difficulty level, subject-wise difficulty level, topics asked, memory-based questions and answers, good attempts, and more.
In Shift 2 Mathematical Science, Physical Science and Chemical Science exam was conducted by the NTA in an online mode. In Mathematical Science, 120 MCQs were asked in the exam, and candidates needed to attempt 60 questions. On the other hand, in chemical science, total 120 questions were asked and candidtaes required to attempt 75 questions. Also in Physical Science subject, a total of 75 questions were asked and candidates required to attempts 55 questions.
- CSIR NET 2025 Dec Mathematical Science Students Reactions OUT
- CSIR NET Section-Wise Analysis: Mathematical Science
- CSIR NET 2025 Dec Chemical Science Students Reactions OUT
- CSIR NET Section-Wise Analysis: Chemical Science
- CSIR NET 2025 Dec Physical Science Students Reactions OUT
- CSIR NET Section-Wise Analysis: Physical Science
- CSIR NET 2025 Dec Answer Key
CSIR NET 2025 Dec Mathematical Science Students Reactions OUT
As per the students feedback, the overall difficulty level of the CSIR NET Maths exam was Moderate to Difficult. Part A was moderate but Part B and C was a bit difficult. The expected good attempts can be 42 to 46.
Topics asked from Part B
- Real Analysis: Convergence, continuity, sequences, etc.
- Linear Algebra: Eigenvalues, vector spaces, etc.
- Complex Analysis: Cauchy-Riemann, integrals
- Ordinary Differential Equations
- Abstract Algebra: Groups, rings, fields
- Basic Topology or Metric Spaces, etc.
Topics asked from Part C
- Linear Algebra questions were a challenging in nature
- Complex analysis questions/Advanced Real questions
- Functional equations
- Non-routine differential equations
- Logical Chain reasoning problems, etc.
Commonly asked questions
Yes. Candidates clear the CSIR UGC NET exam in three months. But to pass the exam proper strategy is required. They make study plans, do revisions, solve question papers, practice tests, etc. If a candidate study properly then nothing is impossible to crack.
The CSIR NET exam consists of five subjects some of them are Maths, Physical Science, Chemical Science, etc. Part A in the exam is common for all candidates and Part B and C is subject-specific. Candidates need to select one subject and prepare well to clear the examination.
The June session exam date for the CSIR NET 2026 has not been released yet. It will be conducted in two shifts. The whole exam schedule will be released by the authority. It will be announced at csirnet.nta.nic.in.
CSIR NET Section-Wise Analysis: Mathematical Science
Candidates can check the CSIR NET Mathematical Science Analysis for Dec session in the table below based on the students' review.
| Part Name |
Total MCQs |
Total MCQs to be Attempted |
Good Attempts |
Difficulty Level |
|---|---|---|---|---|
| Part A |
20 |
15 |
Moderate |
11-14 |
| Part B |
40 |
25 |
Difficult |
19-22 |
| Part C |
60 |
20 |
Difficult |
12-15 |
| Total |
120 |
60 |
Moderate to Difficult |
42-26 |
CSIR NET 2025 Dec Chemical Science Students Reactions OUT
The overall difficulty of the exam as per the students feedback was Moderate. Expected number of good attempts 44-51.
Commonly asked questions
The list of some of the important topics of Mathematical Science paper is mentioned below:
- Analysis
- Numerical & Complex Analysis
- Calculus of Variations
- Linear Integral Equations
- Algebra
- Ordinary Differential Equations (ODEs)
- Descriptive Statistics, Exploratory Data
- Classical Mechanics
The CSIR NET Physical Science Paper consists of the important topics as mentioned below:
- Mathematical Methods of Physics
- Classical Mechanics
- Thermodynamic and Statistical Physics
- Electromagnetic Theory
- Quantum Mechanics
- Electronics and Experimental Methods
Topics that are covered in the CSIR NET Life Science exam are listed below:
- Molecules and their Interaction Relevant to Biology
- Cellular Organization
- Cell Communication and Cell Signaling
- Developmental Biology
- System Physiology – Plant
- System Physiology – Animal
- Fundamental Processes
- Ecological Principles
- Evolution and Behavior
- Inheritance Biology
- Diversity of Life Forms
- Applied Biology
- Methods in Biology, etc.
CSIR NET Section-Wise Analysis: Chemical Science
Candidates can check the CSIR NET Chemical Science Analysis for Dec session in the table below based on the students' review.
| Part Name |
Total MCQs |
Total MCQs to be Attempted |
Good Attempts |
Difficulty Level |
|---|---|---|---|---|
| Part A |
20 |
15 |
Moderate |
12-14 |
| Part B |
40 |
35 |
Moderate |
16-22 |
| Part C |
60 |
25 |
Moderate |
15-21 |
| Total |
120 |
75 |
Moderate |
44-51 |
CSIR NET 2025 Dec Physical Science Students Reactions OUT
As per the students feedback, the overall difficulty level was Moderate to Difficult. Part A and B was moderate in nature. Part C questions were moderate to difficult. The expected number of good attempts can be 38 to 42.
Topics asked from Part B
- Quantum Mechanics
- Mechanics and Classical Physics
- Thermodynamics and Statistical Physics
- Electromagnetic Theory Fundamentals, etc.
CSIR NET Section-Wise Analysis: Physical Science
Candidates can check the CSIR NET Physical Science Analysis for Dec session in the table below based on the students' review.
| Part Name |
Total MCQs |
Total MCQs to be Attempted |
Good Attempts |
Difficulty Level |
|---|---|---|---|---|
| Part A |
20 |
15 |
Moderate |
11-12 |
| Part B |
25 |
20 |
Moderate |
14-17 |
| Part C |
30 |
20 |
Moderate to Difficult |
11-15 |
| Total |
75 |
55 |
Moderate to Difficult |
38-42 |
Upcoming Sarkari Exam Dates
11 Nov '25 - 30 Apr '26
30 Apr '26
31 Jul '26
22 Aug '26 - 23 Aug '26
30 Aug '26
31 Aug '26
CSIR NET 2025 Dec Answer Key
The National Testing Agency (NTA) will release the CSIR NET Answer Key 2025 one week after the exam was concluded. Candidates will be able to raise objections against the CSIR UGC NET 2025 Dec Provisional Answer Key by logging into the official website for a specific time period. The Answer Key will be available in the PDF format. After releasing the final answer key, CSIR NET Result & Cut-off will soon be published by NTA on the official website.
Also Read:
CSIR NET 2025 Dec Life & Earth Science (Shift 1) Question Paper Analysis
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Student Forum
Anything you would want to ask experts?Answered 3 weeks ago
CSIR NET Exam Pattern 2026 contains a Negative Marking in the exam. CSIR NET Negative Marking varies for different subjects. Candidates can check CSIR NET exam pattern for more detail: https://www.shiksha.com/sarkari-exams/articles/csir-net-2026-blogId-222056
N
Contributor-Level 6
Answered 3 weeks ago
Candidates should follow a proper strategy and focused approach for the CSIR NET exam preparation. Some of the tips includes frequent revision, understand the pattern of an exam and syllabus, solve previous year question papers, practice mock test, etc.
G
Contributor-Level 6
Answered 3 weeks ago
The preparation for the CSIR NET exam depends upon the candidate to candidate. Generally, it is considered that with the right guidance and structured approach 6 to 12 months are enough for the CSIR NET preparation. Proper dedication and structured approach also plays a crucial role.
S
Contributor-Level 6
Answered 3 weeks ago
Generally, the good score in the CSIR NET exam is considered as 120+ out of 200 for JRF General category candidates and for Lectureship 90 to 110 range. This can vary year to year.
J
Contributor-Level 6
Answered 3 weeks ago
The CSIR NET exam is considered to be Moderate to Difficult in overall difficulty. Generally, Part C of the exam is considered to be difficult. Also, in subjects, Life Science is perceived to be tougher because of the depth of the syllabus and Chemical Science consists of the application-based quest
M
Contributor-Level 6
Answered 3 weeks ago
Candidates can download the CSIR NET Syllabus by visiting the official website at csirnet.nta.nic.in or csirhrdg.res.in. Candidates can also visit out Shiksha page to download the syllabus PDF for the CSIR NET exam.
C
Contributor-Level 6
Answered 3 weeks ago
Generally, the CSIR NET Chemical Science exam is considered to be moderate to difficult level of difficulty. It is crucial for the candidates to have clear understanding about the topics asked in the Earth Science exam.
I
Contributor-Level 6
Answered 3 weeks ago
Candidates who are preparing for the CSIR NET Earth Science exam need to make proper strategy, understanding of the core concept is also important including in Geography, Physical Geography, Oceanography, etc. It is also crucial to analyze the syllabus thoroughly, solve previous year question papers
S
Contributor-Level 6
Answered 3 weeks ago
As per the cutoff trends and normalization process, candidates should aim to achieve at least 100 marks out of 200 to clear or meet the benchmark for the CSIR NET Life Science exam. For candidates who want to score for JRF then 110 or above is considered to be a good target.
S
Contributor-Level 10
Answered 3 weeks ago
The CSIR NET exam consists of three parts in the examination. Part A is common to everyone that is General Aptitude where as Part B and C is based on the post graduation subject any one of five subjects namely Chemical Sciences, Earth Sciences, Life Sciences, Mathematical Sciences and Physical Scien
V
Contributor-Level 6
Role: Editorial Domain
Education: Mass Com & Journalism, MSC Mathematics
Expertise: Sarkari Exam Expert
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