CSIR NET Exam Analysis 2025: CSIR NET Exam 2025 June session has been successfully conducted on 28th July 2025, and both shifts have been concluded. The CSIR NET is a national-level exam that students attempt for getting admission to various research programs and teaching posts in science. The CSIR NET 2025 exam is now over, and here is an in-depth analysis of the exam. This post has been curated to let you know the analysis of the exam based on the difficulty level for various subjects along with the expected cut-offs.
Also Read: CSIR NET Cut Off
CSIR NET 2025 Exam Details
The CSIR NET exam was conducted on 28th July 2025 for five subjects, split across two shifts.
The 5 subjects that were included in the exam are:
- Life Science
- Earth Science
- Physical Science
- Chemical Science
- Mathematical Science
Also Read: CSIR NET Question Papers 2025
The exams were conducted in 2 different shifts for these subjects:
| Shift | Subjects that were included in the exam |
| Shift 1 | Life Science, Earth Science |
| Shift 2 | Physical Science, Chemical Science, Mathematical Science |
CSIR NET 2025 Exam Analysis
Live updates were received by the exam centers after both the shifts of the exam were conducted. The students started sharing their thoughts on the difficulty level of the exam for various topics. The below-given inferences can be drawn based on the live updates that we received.
Also Read: CSIR NET Answer Key 2025
Life Science
As per the students’ feedback, the paper was of moderate to difficult level. We have got a few topics where students found more difficulty:
- The Part C section of the Life Science paper was difficult, with the questions requiring higher-order thinking and in-depth knowledge.
| Section | Difficulty Level | Topics Asked in the exam |
| Part A | Easy | Basic concepts of Biology, DI questions |
| Part B | Moderate | Concepts of Advanced Molecular Biology, Genetics |
| Part C | Difficult | Plant Physiology, Molecular Biology, Evolution |
Topics Asked
- Evolution: The paper had more than 5 questions on identifying sequences from oldest to newest species.
- Plant Physiology: There were around 10 to 12 questions on photosystem and hormones in the paper.
- Cell Biology: Questions on Ribosomes, CDK-2, Tight Junctions were asked more than once in the paper.
Earth Science
The overall difficulty level of the Earth Science paper was easy. The detailed breakdown is as follows:
| Section | Difficulty Level | Topics Asked |
| Part A | Easy | Basic concepts of Geology, Mineralogy |
| Part B | Easy to Moderate | Plate Tectonics, Oceanography |
| Part C | Easy to Moderate | Geological processes, Climate change |
Topics that were asked in the paper:
- Climate Change
- Plate Tectonics
- Volcanic Activity
- Geological Activity
Physical Science
As per the students’ feedback, the paper was of moderate difficulty, but the Part C of the paper was slightly difficult. The paper had lengthy questions that demanded time management skills so that candidates could attempt all the 3 sections of the paper.
| Section | Difficulty Level | Topics Asked |
| Part A | Moderate | Basic Physics, DI questions |
| Part B | Moderate | Quantum mechanics, Thermodynamics |
| Part C | Difficult | Electromagnetic theory, Advanced Physics |
Chemical Science
The overall difficulty level of the paper was tough, and as per the students’ feedback, the Part C of the paper was more difficult than the previous two parts. The paper had some lengthy questions that demanded time management skills from the candidates.
| Section | Difficulty Level | Topics Asked |
| Part A | Moderate | Basic Organic and Inorganic Chemistry, Basics |
| Part B | Difficult | Spectroscopy, Organic Synthesis |
| Part C | Very Difficult | Complex reactions, Advanced Organic Chemistry |
Key Topics:
- Reaction Mechanisms
- Reaction Kinetics
- Applications of Organic Chemistry
- Physical Chemistry
- Inorganic Chemistry (focus on complex coordination compounds and Spectroscopy)
Mathematical Science
The overall difficulty level of the paper was moderate to difficult. The students were asked problems on Differential Equations and Linear Algebra, which were more time-consuming and difficult for many.
| Section | Difficulty Level | Topics Asked |
| Part A | Moderate | Basic Algebra, Trigonometry |
| Part B | Moderate to Difficult | Differential Equations, Complex Analysis |
| Part C | Difficult | Matrix theory, Probability, Eigenvalues |
CSIR NET 2025 Expected Cut Off
The expected cut-off for the CSIR NET 2025 can vary for the candidates based on:
- The difficulty level of the exam paper
- Number of students that are going to appear in the exam
- Category-wise cut-offs
Based on the initial reactions from the students and the overall difficulty level of the exam, we can expect the following approximate cut-off trends:
| Category | Expected Cut-off (%) |
| General | 50 – 55 |
| OBC/EWS | 45 – 50 |
| SC/ST/PwD | 40 – 45 |
Please note that the above-mentioned cut-off is speculative and can vary for the candidates as per the actual results.
Important Takeaways from CSIR NET 2025 June Exam
- Difficulty Level: The overall difficulty level of the exam was mixed, with the Life Science and Chemical Science papers being more difficult than the others.
- Preparation Tips: Candidates should strengthen their subject-specific knowledge and also work on their time management skills so they can attempt all questions within the allotted time.
- Expected Cut-offs: The cut-offs are expected to be slightly higher than the previous year, as there has been an increase in the number of students appearing for the exam. However, the exact cut-off will be decided based on the official answer key and student performance.
CSIR NET Subject Wise Exam Analysis
The CSIR NET exam assesses candidates across five core science subjects, each with a distinct question pattern and difficulty level. Subject-wise analysis provides insights into trends in question distribution, topic weightage, and overall complexity.
| Subject | Difficulty Level | Key Topics that were asked in the exam |
| Life Science | Moderate to Difficult | Plant Physiology, Evolution, Molecular Biology |
| Earth Science | Easy to Moderate | Plate Tectonics, Volcanic Activity |
| Physical Science | Moderate | Quantum Mechanics, Thermodynamics |
| Chemical Science | Difficult | Organic Synthesis, Complex Reactions |
| Mathematical Science | Moderate to Difficult | Linear Algebra, Eigenvalues, Probability |
Conclusion
The CSIR NET 2025 exam is now over, and the candidates who appeared for the exam are now awaiting the results. We hope that this analysis and the expected cut-off trends of the exam have helped you. Keep visiting our website for more updates and the official announcement of the CSIR NET 2025 result.
Stay prepared for your future exams by revising this CSIR NET 2025 exam analysis, understanding the difficulty levels, and aiming to clear the CSIR NET cut-off for your category.
CSIR NET Exam Analysis 2025 FAQs
When was the CSIR NET 2025 exam conducted?
The CSIR NET 2025 exam was held on July 28, 2025, across multiple shifts for different subjects.
What are the expected cut-offs for CSIR NET 2025?
The expected cut-offs are 50-55% for General, 45-50% for OBC/EWS, and 40-45% for SC/ST/PwD candidates.
How many subjects were included in the CSIR NET 2025 exam?
The CSIR NET 2025 exam included five subjects: Life Science, Earth Science, Physical Science, Chemical Science, and Mathematical Science.
What is the difficulty level of the CSIR NET 2025 exam?
The difficulty level varied across subjects, with Life Science and Chemical Science being tougher than others, overall making the exam moderate to difficult.
