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CSIR NET Question Paper with Solutions, Free PDF Download

CSIR NET Question Paper with Solutions, Free PDF Download is an essential study tool for aspirants preparing for the national-level exam. By solving past year papers, candidates get a clear understanding of the CSIR NET Exam Pattern, including the distribution of questions, marking scheme, and difficulty level. It also helps in identifying the most important topics fromCSIR NET Syllabus and analysing the trend of frequently asked questions. Practising these papers regularly allows students to evaluate their preparation level, improve accuracy and manage exam time effectively. Moreover, detailed solutions provide step-by-step explanations that strengthen conceptual clarity and problem-solving skills. Accessing the CSIR NET Question Paper with Solutions in PDF format gives aspirants the flexibility to revise anytime and anywhere, making preparation more efficient. Thus, solving these papers is a smart strategy to boost confidence and enhance performance in the exam.

 

Table of Contents
  1. CSIR NET 2025 Question Paper Analysis: Subject-Wise
  2. CSIR NET Question Paper Pattern
  3. Importance of Practising CSIR NET Question Paper
  4. CSIR NET Question Paper FAQs

 

CSIR NET 2025 Question Paper Analysis: Subject-Wise

CSIR NET 2025 exam was conducted for five major subjects, each with varying difficulty levels across different parts. The table below provides a detailed subject-wise analysis, highlighting the number of questions, good attempts, and overall performance trends for candidates.

Subject

Part

Total MCQs

Max Questions to Attempt

Good Attempts (Estimated)

Difficulty Level

Overall Analysis

Life Sciences

Part A

20

15

9–12

Moderate

Overall: Moderate (110+ Marks)

Part B

40

25

18–22

Easy to Moderate

Part C

60

20

20–24

Moderate (Concept-heavy)

Chemical Sciences

Part A

20

15

9–12

Moderate

Overall: Moderate to Tough (105–110+ Marks)

Part B

40

25

15–18

Moderate to Difficult

Part C

60

20

18–20

Tough (Conceptual + Analytical)

Physical Sciences

Part A

20

15

10–12

Easy

Overall: Moderate to Difficult (32–38 Good Attempts)

Part B

25

20

11–14

Difficult

Part C

30

20

9–12

Hard

Mathematical Sciences

Part A

20

15

10–12

Moderate

Overall: Moderate to Difficult (110–115+ Marks)

Part B

40

25

15–18

Moderate to Hard

Part C

60

20

17–20

Moderate to Difficult (Concept-heavy)

Also Check: UGC NET vs CSIR NET: Key Differences & Similarities Explained

 

CSIR NET Question Paper Pattern

The CSIR NET 2025 follows a computer-based test format with subject-wise variations in question distribution, marking scheme, and negative marking. Key details are outlined below.

Particulars

Details

Exam mode

Computer-Based Test (CBT) mode

Pattern of question papers

Multiple choice questions

Exam duration

3 hours

Number of subjects

5

Name of subjects

  • Earth, Atmospheric, Ocean, and Planetary Sciences (702)
  • Chemical Sciences (701)
  • Life Sciences (703)
  • Mathematical Sciences (704)
  • Physical Sciences (705)

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

Options of MCQs

4 options with only one correct option

Total marks

200

Marking Scheme (Marks for correct answers)

  • Chemical Science: +2 (Part A and B), +4 (Part C)
  • Earth Science: +2 (Part A and B), +4 (Part C)
  • Life Science: +2 (Part A and B), +4 (Part C)
  • Mathematics: +2 (Part A), 3 (Part B), +4.75 (Part C)
  • Physical Science: +2 (Part A), 3.5 (Part B), +5 (Part C)

Negative Marking scheme

  • Chemical Science: 0.5 (Part A and B), 1 (Part C)
  • Earth Science: 0.5 (Part A and B), 1.32 (Part C)
  • Life Science: 0.5 (Part A and B), 1 (Part C)
  • Mathematics: 0.5 (Part A), 0.75 (Part B)
  • Physical Science: 0.5 (Part A), 0.875 (Part B), 1.25 (Part C)

Language of the paper

English and Hindi

 

Importance of Practising CSIR NET Question Paper

Preparing for CSIR NET requires more than just completing the syllabus—it demands familiarity with the CSIR NET 2025 Question Paper, exam pattern and types of questions. Practising past papers helps aspirants boost accuracy and confidence.

  • Practising question papers helps candidates clearly understand the CSIR NET 2025 Exam Pattern, including the distribution of questions across Parts A, B, and C.
  • It ensures proper coverage of the CSIR NET 2025 Syllabus, allowing students to prepare all sections and subjects in a balanced way.
  • By solving papers in exam-like conditions, candidates improve their time management skills and complete the test more efficiently.
  • Attempting the CSIR NET 2025 Question Paper also allows aspirants to identify their strengths and weaknesses, making it easier to focus on areas that need improvement.
  • Exposure to diverse and concept-based questions improves problem-solving skills and sharpens analytical thinking.
  • Finally, regular practice builds confidence, reduces exam stress, and prepares students to perform better on exam day.

 

CSIR NET Question Paper FAQs

When was the CSIR NET 2025 exam conducted and for how many subjects?

The CSIR NET 2025 exam was conducted for five subjects—Life Sciences, Chemical Sciences, Physical Sciences, Mathematical Sciences, and Earth, Atmospheric, Ocean & Planetary Sciences.

What is the CSIR NET 2025 exam mode and duration?

The CSIR NET 2025 exam is held in Computer-Based Test (CBT) mode, and the duration of the exam is 3 hours.

How many questions are asked in the CSIR NET 2025 Life Sciences question paper?

The CSIR NET 2025 Life Sciences paper consists of 75 multiple-choice questions to be attempted from Parts A, B, and C.

What is the marking scheme for CSIR NET 2025 Chemical Sciences paper?

In the CSIR NET 2025 Chemical Sciences paper, Part A and B questions carry +2 marks each, Part C carries +4 marks, with negative marking of 0.5 in Parts A and B, and 1 mark in Part C.

What is the overall difficulty level of CSIR NET 2025 Physical Sciences question paper?

The CSIR NET 2025 Physical Sciences paper was rated moderate to difficult, with Part B and Part C being the toughest sections.

Why is practising the CSIR NET 2025 Question Paper important for preparation?

Practising the CSIR NET 2025 Question Paper helps candidates understand the exam pattern, manage time better, revise the syllabus effectively, and build confidence for the final exam.

Download Council of Scientific and Industrial Research National Eligibility Test Papers and Answer Keys PDF

Access and download previous year papers, sample papers, and answer keys of Council of Scientific and Industrial Research National Eligibility Test to improve your preparation:

CSIR NET 2024 Earth, Atmospheric, Ocean and Planetary Sciences 25 July

CSIR NET 2025 Question Papers

CSIR NET, 2024, Earth, Atmospheric, Ocean and Planetary Sciences, 25 July

CSIR NET, 2024, Physical Science, 25 July

CSIR NET, 2024, Mathematical Sciences, 25 July

CSIR NET, 2024, Life Sciences, 26 July

CSIR NET, 2024, Chemical Sciences, 27 July

CSIR NET, 2024, Life Sciences, 26 July

CSIR NET, 2023, Shift 1, Life Sciences, 26 Dec

CSIR NET, 2023, CHEMICAL SCIENCES, 7 June

CSIR NET, 2023, Shift 2, Life Sciences, 26 Dec

CSIR NET, 2023, Shift 1, LIFE SCIENCES, 6 June

CSIR NET, 2023, Shift 2, LIFE SCIENCES, 6 June

CSIR NET, 2023, Physical Science, 27 Dec

CSIR NET, 2023, Physical Science, 7 June

CSIR NET, 2023, Earth, Atmospheric, Ocean and Plan, 27 Dec

CSIR NET, 2023, EARTH - ATMOSPHERIC - OCEAN AND PLANETARY SCIENCES, 7 June

CSIR NET, 2022, Chemical Science, September 18, 2022

CSIR NET, 2023, Mathematical Sciences, 28 Dec

CSIR NET, 2023, EARTH - ATMOSPHERIC - OCEAN AND PLANETARY SCIENCES, 8 June

CSIR NET, 2022, Physical Science, September 16, 2022

CSIR NET, 2022, Earth Science, September 16, 2022

CSIR NET, 2022, Shift 2, Life Science (Shift 2), September 17, 2022

CSIR NET, 2022, Mathematical Science, September 16, 2022

CSIR NET, 2022, Shift 1, Life Science (Shift 1), September 17, 2022

CSIR NET 2025 Sample Papers

No sample papers available

CSIR NET 2025 Answer Keys

CSIR, NET, 2024, Earth, Sciences, Ans, key

CSIR, NET, 2024, Physical, Sciences, Ans, key

CSIR, UGC, NET, 2024, Mathematical, Sciences, Ans, key

CSIR, NET, 2024, Life, Sciences, Shift, 1, Ans, key

CSIR, UGC, NET, 2024, Life, Sciences, Shift, 2, Ans, key

CSIR, NET, 2024, July, 27, Chemical, Sciences

UGC, NET, Dec, 2023, Life, Sciences, Answer, Key

CSIR, NET, Dec, 2023, Answer, Key

UGC, NET, Dec, 2023, Chemical, Sciences, Answer, Key

UGC, NET, Dec, 2023, Physical, Sciences, Answer, Key

UGC, NET, Dec, 2023, Earth, Sciences, Answer, Key

UGC, NET, Dec, 2023, Methamatical, Sciences, Answer, Key

UGC, CSIR, 2020, NET, Answer, key

Joint CSIR-UGC NET December, 2022, AK

Joint CSIR-UGC NET December, 2022 - June 2023, AK

Joint CSIR-UGC NET December, 2022 - June 2023, Ak

Joint CSIR-UGC NET December, 2022 - June 2023, AK

Joint CSIR-UGC NET December, 2022 - June 2023, AK

Joint CSIR-UGC NET December, 2022 - June 2023, AK

UGC CSIR NET NOVEMBER 2020, AK