CSIR NET Exam Analysis 2025: Shift 1 and 2 Review

Exam Analysis for CSIR NET 2025: The Earth, Physical, Life, and Mathematical Sciences CSIR NET December 2025 exam analysis. The subject-by-subject difficulty level, question patterns, and anticipated cut-offs are all included in the CSIR NET Exam Analysis.
CSIR NET Exam Analysis 2025: Shift 1 and 2 Review
Analysis of the CSIR NET 2025 Paper: One of the most prestigious tests in India for prospective scientists and technologists is the CSIR NET (Council of Scientific and Industrial Research National Eligibility Test). This twice-yearly test, administered by the National Testing Agency (NTA), assesses applicants’ eligibility for Junior Research Fellowships (JRFs) and Lectureships (LS)/Assistant Professorships in a range of scientific fields. Based on the overall difficulty level, test takers, good attempts, and question types from various topics, we will analyze the CSIR NET Exam for the following papers: Mathematical Sciences, Earth, Atmospheric, Ocean and Planetary Sciences, Chemical Sciences, Life Sciences, and Physical Science.

Table of Contents

CSIR NET Earth Science Exam Analysis 2025

Part-wise Difficulty Analysis
Part Difficulty Level Total Moderate Questions
Part A Easy to Moderate Moderate
Part B Moderate to Difficult Moderate
Part C Moderate to Difficult Moderate

CSIR NET Exam Analysis 2025 Mathematical Science

Part-wise Difficulty Analysis
Part Difficulty Level
Part A Moderate
Part B Moderate
Part C Moderate to Difficult

CSIR NET 2025 Chemical Sciences Exam Analysis

Part-wise Difficulty Analysis
PartDifficulty Level
Part AModerate
Part BModerate
Part CModerate to Difficult

CSIR NET 2025 Life Sciences Exam Analysis

Part-wise Difficulty Analysis
PartDifficulty Level
Part AModerate
Part BModerate
Part CModerate to Difficult

CSIR NET Expected Cut-off Marks (2025) General Guidelines:

CategoryJunior Research Fellowship (JRF)Lectureship/Assistant Professor
General (UR)Approximately 59%Approximately 53%
OBCAround 50%Around 45%
SC/STApproximately 38% and 31%, respectivelyApproximately 31% and 25%, respectively
PWDAround 25%Around 25%

Subject-Specific Expected Cut-offs (Life Science Example):

CategoryJunior Research Fellowship (JRF)Lectureship/Assistant Professor
General (UR)99.08%98.34%
EWS96.52%94.45%
OBC96.44%93.70%
SC91.78%87.84%
ST87.82%83.74%
PWD69.14%69.14%

CSIR NET Topic-wise Distribution Weightage of Topics & Number of Questions

TopicWeightage (%)Number of Questions
Mathematical Methods10-12%8-10 Questions
Physical Chemistry15-18%12-14 Questions
Organic Chemistry18-20%14-16 Questions
Inorganic Chemistry15-17%12-14 Questions
Analytical Chemistry10-12%8-10 Questions
Environmental Chemistry5-7%4-6 Questions
Biochemistry (for Life Science)12-14%10-12 Questions
Biotechnology (for Life Science)15-17%12-14 Questions
Microbiology (for Life Science)10-12%8-10 Questions
Cell Biology (for Life Science)8-10%6-8 Questions
Ecology and Evolution (for Life Science)8-10%6-8 Questions

CSIR NET Student Feedback Candidates' Reactions and Experiences

ExperienceFeedback
Exam DifficultyThe exam was considered moderately difficult. Some candidates found the questions in the theoretical sections more challenging compared to others.
Time PressureA significant number of candidates felt the time was tight, especially in sections with lengthy problem-solving questions.
Topic-wise FocusCandidates suggested focusing on high-weightage topics, especially in subjects like Organic Chemistry and Life Sciences. Many mentioned that revision of previous year’s papers helped a lot.
Exam FormatThe pattern was generally considered fair, with a good mix of direct questions and application-based questions. However, some students suggested the need for clearer instructions on multi-choice questions.

Time Management Tips

TipDescription
Practice with Timed Mock TestsTaking mock tests under real exam conditions helps to simulate the time pressure. Candidates can assess which sections take more time and plan accordingly.
Divide Study Time by WeightageStudents recommended dedicating more time to topics with higher weightage. For example, Organic Chemistry, Life Science, and Biochemistry tend to have more questions.
Prioritize Easy Topics FirstMany candidates found it helpful to attempt easier questions first, allowing more time for the difficult ones. This strategy helped reduce stress during the exam.
Use the Process of EliminationFor multiple-choice questions, students suggested using the process of elimination to narrow down answers, especially when unsure about the correct one.
Do Not Spend Too Much Time on One QuestionIt’s important to not get stuck on a single question. Candidates advised moving on if a question seems too time-consuming and returning to it later if time permits.
Keep Track of Time During the ExamRegularly check the clock to ensure you are staying on pace. This helps in ensuring all sections are attempted in the allotted time.

The CSIR NET (Council of Scientific and Industrial Research National Eligibility Test) is a national-level exam conducted to determine the eligibility of candidates for Junior Research Fellowship (JRF) and Lectureship (Assistant Professor) positions in Indian universities and research institutions. It is held in various subjects including Life Sciences, Physical Sciences, Chemical Sciences, Mathematical Sciences, and Earth Sciences.

The cut-off marks for the CSIR NET 2025 exam will depend on the subject, category, and the overall performance of the candidates. However, based on previous years, the expected cut-offs for various categories are as follows:

  • Junior Research Fellowship (JRF):
    • General (UR): Approximately 59%
    • OBC: Around 50%
    • SC/ST: 38% and 31%, respectively
    • PWD: Around 25%
  • Lectureship/Assistant Professor:
    • General (UR): Approximately 53%
    • OBC: Around 45%
    • SC/ST: 31% and 25%, respectively
    • PWD: Around 25%

Understand the Syllabus: Study the syllabus thoroughly to understand the topics and prioritize high-weightage areas. Practice Previous Year Papers: Solving previous years’ question papers helps familiarize you with the exam pattern and the type of questions asked. Focus on NCERT Books: Especially for the subjects like Life Sciences, the NCERT books from class 11th and 12th will help strengthen basic concepts. Take Mock Tests: Regularly take mock tests under exam conditions to improve time management and speed. Focus on Conceptual Clarity: Avoid rote learning. Focus on understanding the concepts and applying them in problem-solving.ntent

To apply for the CSIR NET exam, candidates must:

  • Visit the official CSIR NET website.
  • Register with valid personal and educational details.
  • Fill out the application form and upload necessary documents.
  • Pay the application fee online through the available payment modes.
  • Submit the application and take a printout of the confirmation page for future reference.

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