The CSIR NET exam for July 28, 2025 shift 1 has successfully been conducted by the authorities and students are provided with complete CSIR NET paper analysis here. The CSIR NET 2025 shift 1 was held from 9:00 AM to 12:00 PM and the next shift is scheduled for 3:00 PM to 6:00 PM. Based on the student’s reaction and CSIR NET paper analysis, the exam difficulty level is considered moderate to difficult. As per the CSIR NET exam analysis for July 28, the toughest section was considered to be mathematical and physical sciences.
By going through CSIR NET paper analysis for 28, July 2025 session, students can gain a better understanding of exam difficulty level and highest weightage topics. Candidates may refer to the following to know complete student’s reaction on CSIR NET paper conducted on July 28, 2025 along with the memory based questions.
CSIR NET 2025 Paper Difficulty Level (Shift 1)
Refer to the following table to know CSIR NET 2025 Paper Difficulty Level.
Subject | Part A Difficulty | Part B Difficulty | Part C Difficulty | Overall Difficulty | Remarks |
Life Sciences | Easy–Moderate | Moderate | Moderate–Difficult | Moderate | Few conceptual surprises in Part C |
Earth Sciences | Easy–Moderate | Moderate–Difficult | Moderate | Moderate | Numerical section time-consuming |
General Aptitude | Easy–Moderate | — | — | Easy–Moderate | Common for all subjects, well-balanced |
CSIR NET 2025 Paper Difficulty Level (Shift 2)
Refer to the following table to know CSIR NET 2025 Paper Difficulty Level.
Subject | Part A Difficulty | Part B Difficulty | Part C Difficulty | Overall Difficulty | Remarks |
Life Sciences | Available Soon | Available Soon | Available Soon | Available Soon | Available Soon |
Earth Sciences | Available Soon | Available Soon | Available Soon | Available Soon | Available Soon |
General Aptitude | Available Soon | Available Soon | Available Soon | Available Soon | Available Soon |
CSIR NET 2025 Exam Pattern 2025
The following table contains complete CSIR NET exam pattern for 2025.
Section | Details | Part A | Part B | Part C |
Type | Question Focus | General Aptitude | Subject-related MCQs (conceptual) | Subject-related (analytical/applied) |
Question Type | Multiple Choice Questions (MCQs) | MCQs | MCQs | MCQs (deep conceptual) |
Marks per Qn | 2 marks | 2 marks | 4 marks | |
Negative Marking | 0.5 marks | 0.5–0.75 marks (subject-specific) | 1 mark | |
No. of Qs Asked | 20 | ~40–50 | ~60–75 | |
Qs to Attempt | 15 | Varies by subject (20–35) | Varies by subject (20–25) | |
Total Marks | 30 | ~70 | ~100 |
Highest Weightage Topics in CSIR NET 28 July Exam
The following table contains complete list of Highest Weightage Topics in CSIR NET 28 July Exam.
Subject | High-Weightage Topics | Estimated Weightage |
Life Sciences | Developmental Biology | 12–14 questions |
Fundamental Processes (DNA replication, transcription, etc.) | 15–18 questions | |
Methods in Biology (ELISA, blotting, microscopy) | 7–9 questions | |
Cell Communication & Signaling | 10–12 questions | |
Chemical Sciences | Reaction Mechanism & Intermediates | 20–25% of total questions |
Organometallic Chemistry | 20–22% of total questions | |
Coordination Chemistry | 18–20% of total questions | |
Physical Sciences | Quantum Chemistry | 18–20% of total questions |
Thermodynamics (Chemical & Statistical) | 14–15% of total questions | |
Chemical Kinetics | 12–14% of total questions | |
Mathematical Sciences | Real Analysis & Linear Algebra | 30–35% of total questions |
Abstract Algebra, ODE/PDE, Complex Analysis | 15–20% of total questions | |
Earth Sciences | Geophysics & Atmospheric Sciences | 20–25% of total questions |
Oceanography & Climatology | 15–18% of total questions | |
Environmental Geosciences & Remote Sensing | 10–12% of total questions |
