Table of Contents
The CSIR NET Life Science Exam 2025 has been concluded today i.e. 28 July 2025 in 1st shift in different cities of India. In this article, we will be discussing the CSIR NET Life Science Exam Analysis 2025 and the questions asked. Meanwhile, to facilitate the candidates, our faculty, along with their team, here we are providing the CSIR NET Life Science Exam Analysis 2025 that assesses the difficulty level and provides a section-wise review and types of questions asked. Adda247 expert review breaks down section-wise trends, highlights unexpected questions, and predicts the expected cut-off, providing valuable insights for both current and future candidates.
CSIR NET Life Science Exam Analysis 2025: Candidate Feedback
The CSIR NET exam is being conducted on a large scale, and to provide an accurate CSIR NET Life Science Exam Analysis 2025 Shift 1, we gathered real-time feedback from candidates exiting the exam centres. As soon as the exam concluded, our expert faculty team at Adda247 visited key exam centres to capture the firsthand reactions of candidates who appeared for the test. Here’s what they had to say about their experience regarding CSIR NET Life Science 1st Shift Exam Analysis 2025:
- Botany-Dominant Paper: Majority of Part C questions (10-12) were from Plant Physiology and Development Biology.
- No Questions from Cell Signaling and Molecular Biology – surprising given their importance.
- Techniques and Evolution were present in decent volume, especially in Part B and C.
- Part A was rated easy, with predictable reasoning and quant-based questions.
- Part C was reported as most difficult, with deep-conceptual application.
CSIR NET Life Science Exam Analysis 2025 for Part A Topic wise
Under CSIR NET Life Science Exam Analysis 2025, Part A of the CSIR NET Life Science exam focused on General Aptitude, assessing candidates’ skills in numerical ability, logical reasoning, and data interpretation.
| Section | Difficulty Level | Student Feedback Summary |
|---|---|---|
| Part A | Easy | Mostly Data Interpretation, Reasoning and Quant Questions |
| Part B | Moderate | Questions from Physiology, Cell Bio, Evolution |
| Part C | Difficult | High-weightage from Botany topics like Plant Physiology, Developmental Biology |
CSIR NET Life Science Exam Analysis 2025 for Part B & C Section wise
The syllabus for both Part A & B is the same. Part B of the CSIR NET Life Science Exam Analysis 2025 focused on fundamental concepts across different areas of Life Sciences, testing candidates’ subject knowledge and understanding. On the other hand, Part C was focused more on research-based questions with logical applications of the concepts. Below is the CSIR NET Life Science Exam Analysis 2025 Shift 1 topic-wise question distribution based on the exam analysis.
| Topic | Question Type / Subtopic | Question (As Reported by Students) |
|---|---|---|
| Plant Physiology | High Weightage (10-12 Questions in Part C) | C2 Cycle, Non-Photochemical Quenching, Terpenes |
| Development Biology | Multiple Questions | Drosophila, Asymmetric Division – Plants, Leaf Development |
| Cell Biology | Few Questions | GLUT 5, Ribosome Attached ER, Spindle Assembly – gamma tubulin |
| Molecular Biology | No Questions Reported | – |
| Cell Signaling | No Questions Reported | – |
| Evolution | Moderate Weightage | Era-Based Classification, K & r Selection, Mass Extinction Order |
| Techniques | High Relevance | TAL Effector, CDK-2, Ramachandran Plot |
| Genetics | Few Mentioned | Poll2 in Lagging Strand, Difference Between Bacteria & Archaebacteria |
| Immunology / Virology | Few Mentions | HPV Virus |
| Classification & Taxonomy | Moderate Mentions | Animal Classification, Annelida vs Platyhelminthes Symmetry |
CSIR NET Life Science Questions Asked in Exam
During the analysis, candidates were clear about some questions that were asked in the CSIR NET Life Science exam in Shift 1. With our dedicated team, we were able to provide you those CSIR NET Life Science Questions directly for you to practice with.
- Work and Time Question: “A hand pump fills a tank in 45 minutes, B in 120 minutes. How much time will they take together to fill the tank?”
- Numerical Approximation: “Cube of 0.99 is closest to? A) 0.33 B) 0.99 C) 0.21”
- A marble block measuring 5 m × 4 m × 2 m is cut into rectangular slabs of size 1 m × 0.5 m with a thickness of 10 cm. If 10% of the marble is lost during grinding, how many slabs can be obtained?
- What is the remainder when 2023^2024 + 2025^2024 is divided by 2024?”
- Ecology- Sequence of Proterozoic, Archeozoic, Phanerozoic Eras
- Genetics- Difference Between Bacteria and Archaebacteria
- Arrange the eras in order from youngest to oldest: Archaeozoic, Proterozoic, Phanerozoic
- Arrange in correct order: DNA Gyrase, DNA Helicase, DNA Primase, DNA Pol 3, DNA Pol 1, DNA Ligase
CSIR NET Life Science Exam Pattern 2025
The CSIR NET Life Science Exam was conducted in an online mode with a total duration of three hours. The exam followed a structured format with three sections: Part A (General Aptitude), Part B (Subject-Specific), and Part C (Higher-Order Analytical Questions). The exam carried a total of 200 marks, with a fixed number of questions in each section. Negative marking was applicable as per the details below:
| CSIR NET Life Science Exam Pattern 2025 | |||||
| Section | Total Questions | Attemptable Questions | Marks per Question | Negative Marking | Total Marks |
| Part A | 20 | 15 | 2 | -0.5 | 30 |
| Part B | 50 | 35 | 2 | -0.5 | 70 |
| Part C | 75 | 25 | 4 | -0.5 | 100 |
| Total | 145 | 75 | – | – | 200 |
HTET Exam Analysis 2025 for Level 1, 2 a...
DSSSB PGT Exam Analysis 2025, Difficulty...
Odisha LTR Exam Analysis 2025 for 12 Jul...
