CSIR NET 2025 Exam Pattern: Section-Wise Marking & Subject Details

The Council of Scientific and Industrial Research (CSIR) National Eligibility Test (NET) is a prestigious examination in India, determining eligibility for Junior Research Fellowship (JRF) and Lectureship positions in various scientific disciplines. Understanding the CSIR NET 2025 exam pattern is crucial for effective preparation. This article provides a comprehensive overview of the section-wise marking scheme and subject details to guide aspirants through their journey.

CSIR NET 2025 Exam Pattern ๐Ÿ“

  • Exam Mode: Computer-Based Test (CBT)
  • Duration: 3 hours (180 minutes)
  • Question Type: Objective Multiple Choice Questions (MCQs)
  • Total Marks: 200
  • Sections: Three parts โ€“ Part A (General Aptitude), Part B (Subject-Specific MCQs), Part C (Higher-Order Questions)
  • Subjects Covered: Chemical Sciences, Earth Sciences, Life Sciences, Mathematical Sciences, Physical Sciences
  • Negative Marking: Applicable in all sections, varies by subject
  • Official Website: csirnet.nta.ac.in

Detailed Section-Wise Exam Pattern ๐Ÿ“Š

The CSIR NET 2025 exam comprises three distinct sections, each designed to assess different competencies:

Part A: General Aptitude ๐ŸŒ

  • Scope: Common to all subjects; evaluates candidates’ logical reasoning, numerical ability, and graphical analysis skills.
  • Number of Questions: 20
  • Questions to Attempt: 15
  • Marks per Question: 2
  • Total Marks: 30
  • Negative Marking: 0.5 marks deducted for each incorrect answer

Example: A question might present a series of numbers and ask you to identify the next number in the sequence, testing your numerical reasoning skills.

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Part B: Subject-Specific MCQs ๐Ÿ”ฌ

  • Scope: Tests the fundamental knowledge of the chosen subject.
  • Number of Questions: Varies by subject (typically 20-50 questions)
  • Questions to Attempt: Subject-specific requirements
  • Marks per Question: Varies by subject
  • Total Marks: Varies by subject
  • Negative Marking: Varies by subject

Example: In Chemical Sciences, questions may cover topics like organic chemistry, inorganic chemistry, and physical chemistry.

Part C: Higher-Order Questions ๐Ÿง 

  • Scope: Assesses candidates’ analytical skills and ability to apply scientific concepts.
  • Number of Questions: Varies by subject (typically 25-75 questions)
  • Questions to Attempt: Subject-specific requirements
  • Marks per Question: Higher than Part B
  • Total Marks: Varies by subject
  • Negative Marking: Varies by subject

Example: In Life Sciences, a question might involve analyzing a complex biological pathway and predicting the outcome of a specific intervention.

Subject-Wise Exam Pattern Details ๐Ÿ“š

Each subject under the CSIR NET has a tailored exam pattern. Below is an overview:

1. Chemical Sciences ๐Ÿงช

  • Total Questions: 120
    • Part A: 20
    • Part B: 40
    • Part C: 60
  • Questions to Attempt: 75
    • Part A: 15
    • Part B: 35
    • Part C: 25
  • Marks Distribution:
    • Part A: 2 marks/question
    • Part B: 2 marks/question
    • Part C: 4 marks/question
  • Negative Marking:
    • Part A: 0.5 marks
    • Part B: 0.5 marks
    • Part C: 1 mark

2. Earth, Atmospheric, Ocean, and Planetary Sciences ๐ŸŒ

  • Total Questions: 150
    • Part A: 20
    • Part B: 50
    • Part C: 80
  • Questions to Attempt: 75
    • Part A: 15
    • Part B: 35
    • Part C: 25
  • Marks Distribution:
    • Part A: 2 marks/question
    • Part B: 2 marks/question
    • Part C: 4 marks/question
  • Negative Marking:
    • Part A: 0.5 marks
    • Part B: 0.5 marks
    • Part C: 1.32 marks

3. Life Sciences ๐Ÿงฌ

  • Total Questions: 145
    • Part A: 20
    • Part B: 50
    • Part C: 75
  • Questions to Attempt: 75
    • Part A: 15
    • Part B: 35
    • Part C: 25
  • Marks Distribution:
    • Part A: 2 marks/question
    • Part B: 2 marks/question
    • Part C: 4 marks/question
  • Negative Marking:
    • Part A: 0.5 marks
    • Part B: 0.5 marks
    • Part C: 1 mark
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4. Mathematical Sciences โž—

  • Total Questions: 120
    • Part A: 20
    • Part B: 40
    • Part C: 60
  • Questions to Attempt: 60
    • Part A: 15
    • Part B: 25
    • Part C: 20
  • Marks Distribution:
    • Part A: 2 marks/question
    • Part B: 3 marks/question
    • Part C: 4.75 marks/question
  • Negative Marking:
    • Part A: 0.5 marks
    • Part B: 0.75 marks
    • Part C: No negative marking

5. Physical Sciences ๐Ÿ”ญ

  • Total Questions: 75
    • Part A: 20
    • Part B: 25
    • Part C: 30
  • Questions to Attempt: 55
    • Part A: 15
    • Part B: 20
    • Part C: 20
  • Marks Distribution:
    • Part A: 2 marks/question
    • Part B: 3.5 marks/question
    • Part C: 5 marks/question
  • Negative Marking:
    • Part A: 0.5 marks
    • Part B: 0.875 marks
    • Part C: 1.25 marks

Note: The above details are based on the latest available information. Candidates are advised to refer to the official website for any updates or changes.

Preparation Tips for CSIR NET 2025 ๐Ÿ†

  1. Understand the Syllabus: Thoroughly review the syllabus for your chosen subject to identify key topics.
  2. Practice Regularly: Solve previous years’ question papers and take mock tests to familiarize yourself with the exam pattern.
  3. Time Management: Allocate specific time slots foreach subject and practice solving questions within the allotted time to improve speed and accuracy.
  4. Focus on Conceptual Clarity: Part C of the exam tests higher-order thinking, so ensure you have a strong conceptual foundation in your subject.
  5. Use Reliable Study Material: Refer to standard textbooks, online resources, and coaching materials that align with the CSIR NET syllabus.
  6. Revise Regularly: Make concise notes while studying and revise them frequently to retain information effectively.
  7. Stay Updated: Keep checking the official CSIR NET website for any updates or changes in the exam pattern and syllabus.
  8. Attempt Mock Tests: Take full-length mock tests to assess your preparation level and identify weak areas for improvement.
  9. Maintain a Balanced Routine: Stay healthy by getting adequate rest, eating well, and practicing mindfulness techniques to reduce stress.
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Frequently Asked Questions (FAQs) โ“

1. Is there negative marking in CSIR NET 2025?

Yes, negative marking applies to all sections but varies by subject. Part A typically has a deduction of 0.5 marks per incorrect answer, while Part B and Part C have different penalty marks depending on the subject.

2. How many attempts are allowed for CSIR NET?

There is no restriction on the number of attempts for CSIR NET. Candidates can appear multiple times as long as they meet the eligibility criteria.

3. Can I apply for more than one subject in CSIR NET?

No, candidates can apply for only one subject per attempt. It is crucial to choose the subject that aligns best with your academic background and expertise.


By understanding the CSIR NET 2025 exam pattern and preparing strategically, candidates can improve their chances of qualifying for the Junior Research Fellowship (JRF) or Lectureship. Keep practicing, stay motivated, and believe in your abilities!

For more details and official updates, visit: csirnet.nta.ac.in

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