CSIR NET Exam Pattern 2025: Subject-wise Pattern & Negative Marking

Council of Scientific and Industrial Research National Eligibility Test 2025 ( CSIR NET )

DeskCalelnderRegistration - 25 Sep '25 - 24 Oct '25

Shikha Goyal
Updated on Jul 9, 2025 16:43 IST

By Shikha Goyal, Assistant Manager

The National Testing Agency (NTA) released the CSIR NET Exam Pattern 2025 along with the CSIR NET June Notification on the official website at csirnet.nta.ac.in. The CSIR UGC NET 2025 exam will be conducted on July 28, 2025. Five papers are- Earth Sciences, Chemical Sciences, Life Sciences, Mathematical Sciences and Physical Sciences. Each paper of the exam consists of objective-type multiple-choice questions (MCQs) and CSIR NET Total Marks are 200. 

CSIR NET Exam Pattern 2025 also consist of Negative Marking. CSIR NET Negative Marking differs for different subjects. The CSIR NET Question Paper is divided into three sections- Part A, B and C. There is no break between these three parts. Candidates need to complete the paper in a duration of three hours. Here we have shared the latest exam pattern and structure of the CSIR NET Exam as prescribed by the HRDG for each paper. Read below about the CSIR NET Exam Pattern 2025 and start your preparations accordingly.

Table of content
  • CSIR NET Exam Pattern 2025: Highlights
  • CSIR NET Exam Pattern 2025: Subject-Wise
  • CSIR NET Negative Marking
  • CSIR NET Exam Pattern 2025: Important Points
  • CSIR NET Best Books 2025
  • CSIR NET 2025 Exam Pattern FAQs
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CSIR NET Exam Pattern 2025: Highlights

Before going through the detailed CSIR NET Exam Pattern 2025, let us have a look at the major highlights of the exam below.

Particulars

CSIR Exam Pattern Highlights

Exam mode

Online

Exam duration

3 hours

Number of subjects

5

Name of subjects

  • Earth, Atmospheric, Ocean and Planetary Sciences
  • Chemical Sciences
  • Life Sciences
  • Mathematical Sciences
  • Physical Sciences

Total questions to attempt

  • Earth, Atmospheric, Ocean and Planetary Sciences: 75 MCQs
  • Chemical Sciences: 75 MCQs
  • Life Sciences: 75 MCQs
  • Mathematical Sciences: 60 MCQs
  • Physical Sciences: 55 MCQs

Type of questions

MCQs; 4 options with only 1 correct option

Total marks

200

Marking scheme

  • +2 for the correct answer
  • Negative marking of 25 per cent (33 per cent for some parts)

Language of paper

English and Hindi

Also Read:

CSIR NET 2025: Latest Updates

CSIR NET Exam Date 2025

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CSIR NET Exam Pattern 2025: Subject-Wise

The CSIR NET exam pattern varies for all five subjects. The subject-wise exam pattern of the CSIR NET Question Paper 2025 is given below:

CSIR NET Exam Pattern 2025 for Chemical Sciences

In the CSIR NET Chemical Sciences paper, candidates need to attempt a total of 75 MCQs combinedly from Part A, B and C. Each question in Part A and B carries two marks weightage and each question in Part C carries four marks. There is a negative marking of 25 per cent for wrong answers. Have a look at the detailed CSIR NET Exam Pattern for Chemical Sciences below.

Particulars

Part A

Part B

Part C

Total

Total Questions

20

40

60

120

Max no of questions to attempt

15

35

25

75

Marks for each correct answer

2

2

4

200

Negative marking of 25%

0.5

0.5

1

-

Also Read: CSIR NET Syllabus 2025

CSIR NET Exam Pattern 2025 for Earth Sciences

In the CSIR NET Earth Sciences paper, candidates need to attempt a total of 75 MCQs combinedly from Part A, B and C. Each question in Part A and B carries two marks and each question in Part C carries four marks. There is a negative marking of 25 per cent in Part A and B and 33 per cent in Part C for each incorrect answer. Have a look at the CSIR NET Exam Pattern for Earth Sciences below.

Particulars

Part A

Part B

Part C

Total

Total Questions

20

50

80

150

Max no of questions to attempt

15

35

25

75

Marks for each correct answer

2

2

4

200

Negative marking- 25% in Part A & B and 33% in Part C

0.5

0.5

1.32

-

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CSIR NET Exam Pattern 2025 for Life Sciences

In the CSIR NET Life Sciences paper, candidates need to attempt a total of 75 MCQs combinedly from Part A, B and C. Each question in Part A and B carries two marks and each question in Part C carries four marks. There is a negative marking of 25 per cent in Part A, B and C for each incorrect answer. Have a look at the CSIR NET Exam Pattern for Life Sciences below.

Particulars

Part A

Part B

Part C

Total

Total Questions

20

50

75

145

Max no of questions to attempt

15

35

25

75

Marks for each correct answer

2

2

4

200

Negative marking of 25% in Part A, B & C

0.5

0.5

1

-

Download CSIR NET Syllabus 2025 - Click Here

CSIR NET Exam Pattern 2025 for Mathematical Sciences

CSIR NET Mathematical Sciences paper contains 120 MCQs out of which candidates need to attempt 60 questions. Candidates need to complete the exam in three hours duration. Each question in Part A carries 2 marks, each question in Part B carries 3 marks and each question in Part C carries 4.75 marks. There is a negative marking of 25 per cent in Part A and B for each incorrect answer and there is no negative marking in Part C. Have a look at the CSIR NET Exam Pattern for Mathematical Sciences below.

Particulars

Part A

Part B

Part C

Total

Total Questions

20

40

60

120

Max no of questions to attempt

15

25

20

60

Marks for each correct answer

2

3

4.75

200

Negative marking in Part A & B of 25% and no negative marking in Part C

0.5

0.75

0

-

Also Read: CSIR NET Admit Card 2025

CSIR NET Exam Pattern 2025 for Physical Sciences

CSIR NET Physical Sciences paper contains 75 MCQs out of which candidates need to attempt 55 questions. Each question in Part A carries two marks marks weightage and each question in Part B and C carries a weightage of 3.5 and five marks, respectively. There is a negative marking of 25 per cent in Part A, B and C for each wrong answer. Here is the detailed CSIR NET Exam Pattern for Physical Sciences.

Particulars

Part A

Part B

Part C

Total

Total Questions

20

25

30

75

Max no of questions to attempt

15

20

20

55

Marks for each correct answer

2

3.5

5

200

Negative marking of 25%

0.5

0.875

1.25

-

Also Read: CSIR NET Exam Dates 2025

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CSIR NET Negative Marking

CSIR NET Exam Pattern 2025 contains a Negative Marking in the exam. CSIR NET Negative Marking varies for different subjects. Candidates can check the subject-wise CSIR NET Negative Marking in the subject-wise CSIR NET exam pattern provided in this article. 

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CSIR NET Exam Pattern 2025: Important Points

Candidates can read the CSIR NET Exam Pattern 2025 Important Points below.

  • Questions in Part-A are common for all subjects. This part contains questions on topics/subjects such as logical reasoning, graphical analysis, analytical and numerical ability, quantitative comparison, series formation, puzzles etc. 
  • Part B of the CSIR UGC NET exam contains subject-related multiple-choice questions. The questions in this part generally cover the topics given in the syllabus
  • Questions in Part C test candidates' knowledge of scientific concepts and/or application of the scientific concepts. The questions are analytical in nature in which candidates are required to apply scientific knowledge to arrive at the solution to the given problem
  • If a candidate attempts more than the required number of questions, only the first set of the required questions is considered for scoring
  • The CSIR UGC NET question paper is set in both Hindi and English languages

Also Read: CSIR NET Preparation Tips 2025

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CSIR NET Best Books 2025

Candidates can check the subject-wise CSIR NET Best Books 2025 in the table below which can help candidates prepare for the exam. 

Subject Book Name Author/Publisher
Chemical Sciences UGC-CSIR JRF/ NET Chemical Sciences (Chemistry) Trueman’s
Earth Sciences Joint CSIR-UGC NET Earth, Atmospheric, Ocean, and Planetary Sciences R. Gupta’s
Life Sciences UGC CSIR NET/ SET (JRF & LS) Life Sciences Arihant
Mathematical Sciences CSIR-UGC NET/ SET (JRF & LS) Mathematical Sciences Khanna Publishers
Physical Science CSIR-UGC NET/ JRF/ SET Physical Sciences Upkar’s

Read More: CSIR NET Exam Centres List 2025

View list of Books
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CSIR NET 2025 Exam Pattern FAQs

Candidates can check below the CSIR NET 2025 Exam pattern FAQs.

Q&A Icon
Commonly asked questions
Q:   What is the date for CSIR NET Dec 2025 exam?
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CSIR NET Exam

Student Forum

chatAnything you would want to ask experts?
Write here...

Answered a month ago

Candidates should follow a balanced approach. No doubt books help in conceptual clarity, and a candidate can study in detail. On the other hand, online platforms provide lectures through video, have updated notes, cover current affairs as well, etc. It also depends upon the candidate's feasibility a

...Read more

S

Satyendra Garg

Contributor-Level 6

Answered a month ago

No. The syllabus of CSIR NET is the same for JRF (Junior Research Fellowship) and Lectureship (Assistant Professor). The difference that lies is only in the cut-off marks and not in the syllabus.

S

Shikha Shukla

Contributor-Level 6

Answered a month ago

To pass the CSIR NET 2025 exam, candidates must score a minimum of 33 per cent in the General, EWS, and OBC categories and 25 per cent in the SC, ST, and PwD categories for both fellowship and Lectureship/Assistant Professor.

I

Ishita Kaur

Beginner-Level 5

Answered 2 months ago

As per the official website, stipend of a JRF selected through CSIR-UGC National Eligibility Test (NET) will be Rs 37,000/ p.m for the first two years. In addition, annual contingent grant of Rs. 20,000/- per fellow will also be provided to the fellow.

S

Shikha Shukla

Contributor-Level 6

Answered 2 months ago

Yes. Several candidates have cleared the CSIR NET examination in three months by following a proper study plan, focusing on the important topics, frequent revision, mock test practice, previous year questions, etc.

C

Chanchal Shekhar

Contributor-Level 6

Answered 2 months ago

The CSIR UGC NET 2025 exam comprises subjects including Earth Science, Chemical Sciences, Life Sciences, Mathematical Sciences, and Physical Sciences. It is crucial for a candidate to select one subject from the CSIR NET subject list to clear the examination.

M

Manisha Singh

Contributor-Level 6

Answered 2 months ago

The CSIR NET 2025 June session city slip released on the official website at csirnet.nta.ac.in. The CSIR NET 2025 exam is conducted on July 28, 2025. 

G

Gunjan Majumder

Contributor-Level 6

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