CSIR NET Life Science Exam Analysis 2025, Difficulty Level, Good Attempts
Amit kumar Singh29 Jul, 2025
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CSIR NET Life Science Exam Analysis 2025 is presented here to help the students learn and compare their performance in the examination conducted on 28th July, 2025. Clearing CSIR NET 2025 is an important milestone in the career of people who want to go ahead with a lectureship or Junior Research Fellowship programme. Complete details about the good attempts and CSIR NET Life Science Exam difficulty level can be learnt here.
CSIR NET Life Science Exam Analysis 2025 Overview
CSIR NET 2025 aspirants should be aware of the examination analysis. It will help them compare their performance with others. Also, they can predict the CSIR NET Life Science Expected Cut Off by analysing the cumulative feedback given by other aspirants. Moreover, several good attempts can make them analyse their performance and predict their chances of selection as well.
Here is an overview table that can help the aspirants to explore some useful insights related to the CSIR NET 2025 Life Science exam analysis:
| CSIR NET Life Science Exam Analysis 2025 Overview | |
|---|---|
| Particular | Details |
| Exam Name | CSIR NET 2025 |
| Conducting Body | National Testing Agency (NTA) |
| Exam Level | National |
| Mode of Exam | Online |
| Exam Duration | 3 Hours |
| CSIR NET Life Science Exam Date 2025 | 28 July 2025 |
| CSIR NET 2024 Exam Time | 9 am to 12 pm |
| Question Type | Multiple Choice Questions (MCQs) |
| Number of Questions | 120 MCQs |
| Total Marks | 200 |
| Max No of Questions to Attempt | 60 |
| Official Website | csirnet.nta.ac.in |
CSIR NET Life Science 2025 Difficulty Level Overall
The section-wise difficulty level of the CSIR NET Life Science 2025 Exam has been summarised below based on student feedback and expert analysis.
| CSIR NET Life Science 2025 Difficulty Level Overall | ||
| Section | Difficulty Level | Remarks |
| Overall | Moderate | Based on student reviews and expert insights |
| Part A | Easy | General Aptitude, manageable and scoring |
| Part B | Easy to Moderate | Mostly memory-based questions |
| Part C | Moderate | Conceptual and analytical was major deciding factor in selection |
Important: Many students mentioned that Part C carried high weightage and was the deciding section this year, unlike previous years where Part A was more impactful.
Questions Asked in CSIR NET Life Science 2025 Exam
The table below highlights the key topics and memory-based questions reported by candidates from different units of Part B and Part C in the CSIR NET Life Science 2025 exam. This analysis provides insight into the subject-wise weightage and areas of focus.
| Questions Asked in CSIR NET Life Science 2025 Exam | |
| Unit / Subject Area | Topics & Questions Asked |
| Ecology | Sufficient number of questions - Graph Interpretation, Logistic Growth, Mass Extinction, Geological Timescale, Arrange Eras, Great Indian Bustard (Biodiversity) |
| Plant Physiology | Increased weightage in 2025 exam - Secondary Metabolites, Cytokinin, Lignin, C3 Cycle, Photosystem I & II - Leaf Development |
| Molecular Biology | Replication Fork & Enzymes - Reverse Transcription, Histone Variant, Methylation, Transcription Factors, Short DNA Unwinding Enzyme, Mitochondrial Protein Function |
| Genetics & Developmental Biology | Drosophila, SHH, BMP4, Eye Development, Axis Formation - C. elegans Tetrapod Limb Development, Chromosome Number in Wheat, Repeated PYQs |
| Cell Biology | Ribosomes attached to ER, Nuclear Import, Tight Junctions, CDK-2, Cancer (HPV), Spindle Assembly |
| Biochemistry | Ramachandran Plot, Di-peptide Series, COP-I & COP-II - Antibiotics-Streptomycin, Chloramphenicol |
| Animal Physiology | Respiratory System, Baroreceptors, Loop of Henle, Glial Cells, Glut Transporters |
Note: The questions listed above are based on memory-based inputs from candidates who appeared for the CSIR NET Life Science 2025 exam. Exact questions may vary slightly from candidate to candidate.
CSIR NET Life Science Exam Analysis 2025 for Part A
Candidates who appeared in the CSIR NET 2025 must be aware that the first section consists of questions from General Aptitude. The question paper included questions from puzzles, series, mathematical concepts, etc, related to general aptitude. CSIR NET Life Science Exam Analysis for section A can help candidates assess themselves by learning what and how they have performed in the examination held on 28 July.
|
CSIR NET Life Science Exam Analysis 2025 for Part A |
||
|
Topic |
Good Attempts |
Difficulty Level |
|
Graph Interpretation (Bar, Line, Pie) |
2–3 |
Moderate |
|
Simplification |
1 |
Easy to Moderate |
|
Algebra |
1 |
Moderate |
|
Probability |
1 |
Moderate |
|
Series & Puzzles |
2 |
Moderate |
|
Logarithm, Quadratics, Percentage |
3–4 |
Moderate |
|
Profit & Loss, SI & CI |
2 |
Easy |
|
Blood Relation & Data Sufficiency |
1 |
Moderate |
Note: This information about CSIR NET Life Science Exam difficulty level and good attempts is based on candidates’ reviews and feedback in the examination. The actual number of questions and difficulty level may differ from the information given in this review based table.
CSIR NET Life Science Exam Analysis 2025 for Parts B and C
CSIR NET Life Science Exam Analysis 2025 for Parts B and C revolves around research and analytical questions based on the Life Science subject. Candidates who have appeared in the CSIR NET 2025 for Life Science can learn about their performance in the exam with the help of the following data. Also, it can help them evaluate whether they can be selected in the eligibility test.
The CSIR NET Life Science Exam difficulty level can be assessed from the following table, containing topics and their difficulty level in the exam:
|
CSIR NET Life Science Exam Analysis 2025 for Parts B and C |
||||
|
Section |
Units Covered |
Difficulty Level |
Good Attempts (Avg.) |
Key Highlights |
|
Part B |
Easy to Moderate |
25–30 |
Memory-based questions; factual recall; questions from core units like Plant Physiology & Molecular Biology |
|
|
Ecology |
Species distribution, biodiversity, logistic growth |
Moderate |
3–4 |
Good coverage, conceptual recall questions |
|
Plant Physiology |
C3 cycle, secondary metabolites, cytokinin, lignin, banana disease |
Easy to Moderate |
4–5 |
Increase in number of questions; memory-based and direct |
|
Molecular Biology |
Replication fork, transcription factors, reverse transcription, methylation |
Moderate |
3–4 |
Good presence, mostly memory + understanding required |
|
Evolution |
Geological time scale, mass extinction, arrange eras |
Easy |
2–3 |
Mostly factual questions |
|
Biochemistry |
Ramachandran plot, dipeptides, COP1/COP2 |
Moderate |
2–3 |
Biochemistry questions were moderate; mixed conceptual/memory-based |
|
Cell Biology |
Ribosomes-ER, tight junctions, CDK2, nuclear import |
Moderate |
3–4 |
Application-based factual recall |
|
Animal Physiology |
Baroreceptors, glial cells, loop of Henle, respiratory system |
Moderate |
2–3 |
Mix of easy and moderate questions |
|
Developmental Bio |
Drosophila, SHH, BMP4, axis formation, limb/eye development |
Moderate |
2–3 |
Core topics repeated; conceptual clarity helped |
Note: CSIR NET 2025 candidates can check their eligibility for JRF or Lectureship using the above data. Candidates must learn that the above-specified data is based on reviews and testimonials provided by the NET aspirants only.
CSIR NET Life Science 2025 Good Attempts
Based on student feedback and expert reviews, the following table provides a rough estimate of the number of good attempts in each section of the CSIR NET Life Science 2025 exam. These values reflect a balanced attempt strategy combining speed, accuracy, and conceptual clarity. Candidates scoring around or above the suggested range may have a higher probability of qualifying for JRF or Lectureship.
| CSIR NET Life Science 2025 Good Attempts | |
| Section | Good Attempts (Approximate) |
| Part A | 9–12 |
| Part B | 18–22 |
| Part C | 20–24 |
| Total | 110+ marks is considered a good score |
CSIR NET Life Science Cut Off 2025 (Expected)
The expected cut-off marks for CSIR NET Life Science 2025 are based on student feedback and analysis of the exam difficulty level. While minor variations (±4 marks) are possible, the range below offers a reliable estimate:
| CSIR NET Life Science Cut Off 2025 (Expected) | |
| Category | Expected Cut Off (Marks) |
| General | 110–115 |
| OBC | 105–110 |
| EWS | 105–110 |
| SC | 95–100 |
| ST | 85–90 |
Note: Cut-offs are expected to be similar to 2024 with ±0.4 variation. No normalization is expected this year.
Strategy Shared by Experts
-
Focus first 1.5 hours on Part C for higher scoring.
-
Shift to Part B and Part A after selecting target questions.
-
Time management was a challenge. Students who didn’t plan faced a time crunch.
-
Conceptual preparation from books, lectures, and last-minute revisions was key to success.
-
Major deciding section: Part C (previously it used to be Part A).
CSIR NET Life Science Exam 2025 Marking Scheme
CSIR NET 2025 Life Science examination aspirants must be aware of the marking scheme. It will help them predict their final scores and the possibility of passing the National Eligibility Test. Candidates can take a look at the following table to learn about the examination scheme of CSIR NET 2025:
|
CSIR NET 2025 Life Science Exam Marking Scheme |
||||
|---|---|---|---|---|
|
Part |
Total Questions |
Max No. of Questions to Attempt |
Marking Scheme (per Q) |
Negative Marking |
|
Part A |
20 |
15 |
2 |
0.5 |
|
Part B |
40 |
25 |
3 |
0.75 |
|
Part C |
60 |
20 |
4.75 |
No Negative Marking |
Note: The above-specified CSIR NET scheme is based on the official examination booklet. Interested candidates can refer to the official examination authority’s website to learn about any updates made to the marking scheme.
CSIR NET Life Science Exam Analysis 2025 FAQs
How many questions does a student need to solve in the CSIR NET 2025 Life Science Paper?
How many sections are there in the CSIR NET 2025 paper?
Was there negative marking in the CSIR NET 2025 paper?
What was the CSIR NET 2025 Life Science exam difficulty level?
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