Understanding the CSIR NET Life Science Exam Pattern is the foundation of effective exam preparation. The exam structure explains how the paper is divided, the nature of questions asked, and the marks allotted to each section. Since the test is conducted in a single shift with objective-type questions, knowing the pattern in advance helps candidates plan better, improve accuracy, and manage time wisely. Conducted by the NTA on behalf of CSIR, this national-level exam determines eligibility for JRF and Lectureship/Assistant Professor roles. With rising competition each year, having a clear understanding of the CSIR NET Life Science Exam Pattern becomes essential for maximizing performance and achieving success.ย

UGC CSIR NET Exam Overviewย
The CSIR NET (Council of Scientific and Industrial Research National Eligibility Test) is a national-level competitive examination that evaluates candidatesโ knowledge in core scientific disciplines. It is jointly conducted by the CSIR and the University Grants Commission (UGC) to ensure the selection of qualified professionals for teaching and research roles in India. The exam is applicable only to science-based subjects, and successful candidates are eligible for the Junior Research Fellowship (JRF) or can apply for Lectureship (LS)/Assistant Professor positions in recognized universities and colleges. Those who qualify can pursue PhD programs under prestigious government fellowships or start academic careers in reputed institutions across the country.
| CSIR NET Full Form | Council of Scientific & Industrial Research, National Eligibility Test |
| Who conducts the CSIR NET Exam? | National Testing Agency (NTA) |
| Exam type | Computer Based Test (CBT) |
| Opportunities offered | Candidates can apply for Junior Research Fellowship(JRF) and Lectureship |
| Number of questions | 75-150 (Varies according to the subject chosen by the candidates) |
| Total marks | 200 |
| Type of questions | MCQs (Multiple Choice Questions) |
| Exam duration | 3 Hours |
| Eligibility Criteria | Minimum 55% in Bachelorโs Degree |
CSIR NET Life Science Exam Pattern Highlights
A strong understanding of the CSIR NET Life Science Exam Pattern is essential for scoring well in the exam. Knowing how the question paper is structured, the marking system, and the weightage of each part helps candidates prepare with better focus and strategy. The Life Science question paper is divided into three sections:
- Part A โ General Aptitude
- Part B โ Subject-related questions (Life Science)
- Part C โ Higher-order Life Science questions
The exam is conducted only in Computer-Based Test (CBT) mode, and candidates can choose either English or Hindi as their language of examination. A total of 145 multiple-choice questions are included in the paper.
CSIR NET Life Science Exam Pattern Overview
| Particulars | Details |
| Mode of Examination | Computer-Based Test (CBT) |
| Duration of Exam | 3 hours (180 minutes) |
| Language of Paper | English and Hindi |
| Total Number of Questions | 145 MCQs |
| Total Marks | 200 Marks |
| Question Type | Objective/Multiple-Choice Questions |
| Negative Marking | 25% deduction for each wrong answer |
CSIR NET Life Science subject Exam Pattern
CSIR NET Life Science Exam Pattern requires candidates to attempt a total of 75 questions out of the 145 questions asked in the paper. The exam is divided into Part A, Part B, and Part C, and each section carries a different weightage. In Part A and Part B, every correct response awards 2 marks, whereas in Part C, each correct answer carries 4 marks. All three sections include 25% negative marking, which is deducted for every incorrect response.ย
CSIR NET Life Science Exam Pattern Section-Wise Breakdown
Below is the detailed pattern for the Life Sciences paper:
| Particulars | Part A | Part B | Part C | Total |
| Total Questions Asked | 20 | 50 | 75 | 145 |
| Maximum Questions to Attempt | 15 | 35 | 25 | 75 |
| Marks for Each Correct Answer | 2 | 2 | 4 | โ |
| Total Marks | โ | โ | โ | 200 |
| Negative Marking (25%) | 0.5 | 0.5 | 1 | โ |
CSIR NET Life Science Exam Pattern Section-wise Breakdown
The CSIR-NET Life Science question paper includes 145 questions carrying a total of 200 marks. Below is the detailed pattern for Part A.
Part A โ General Aptitude CSIR NET Life Science
Part A tests a candidateโs general aptitude skills, including logical reasoning, numerical ability, and graphical analysis.
| Part A Details | Information |
| Total Questions Asked | 20 |
| Maximum Questions to Attempt | 15 |
| Question Range | 1โ20 |
| Type of Questions | Multiple-Choice Questions (MCQs) |
| Marks for Each Correct Answer | 2 |
| Negative Marking | 0.5 mark deducted for each wrong answer |
Part B โ Subject-Related Questions Life Science
Part B contains questions based on core Life Science concepts. These questions test understanding of fundamental topics across various units of the syllabus.
| Part B Details | Information |
| Total Questions Asked | 50 |
| Maximum Questions to Attempt | 35 |
| Question Range | 21โ70 |
| Type of Questions | Multiple-Choice Questions (MCQs) |
| Marks for Each Correct Answer | 2 |
| Negative Marking | 0.5 mark deducted for each wrong answer |
Part C โ Higher-Order Life Science Questions
Part C includes analytical and application-based questions. This section evaluates a candidateโs scientific aptitude and ability to apply concepts to complex problems.
| Part C Details | Information |
| Total Questions Asked | 75 |
| Maximum Questions to Attempt | 25 |
| Question Range | 71โ145 |
| Type of Questions | Multiple-Choice Questions (MCQs) |
| Marks for Each Correct Answer | 4 |
| Negative Marking | 1 mark deducted for each wrong answer |
CSIR NET Life Science Exam Pattern Minimum Qualifying Marks
To qualify the exam and become eligible for the Junior Research Fellowship (JRF) or Assistant Professor positions, candidates must score above the minimum qualifying marks set by CSIR. Understanding the CSIR NET Life Science Exam Pattern helps aspirants plan their preparation effectively so they can achieve more than just the qualifying percentage.
The minimum qualifying marks for each category are given below:
| Category | Minimum Qualifying Marks |
| General / EWS / OBC | 33% |
| SC / ST / PwD | 25% |
CSIR NET Life Science Exam Pattern Importanceย
Understanding the CSIR NET Life Science Exam Pattern is one of the most important steps for effective preparation. The exam pattern gives a complete overview of the question structure, marking scheme, number of questions to attempt, and the time allotted. When candidates are familiar with these details, they can plan their strategy more confidently and focus on the right topics according to the syllabus.
Knowing the exam pattern not only helps in managing time during the exam but also enables candidates to maximize their score by avoiding unnecessary mistakes. A clear understanding of the CSIR NET Life Science exam pattern offers several benefits, such as:
- Better understanding of the question paper structure, difficulty level, and type of questions asked.
- Improved clarity on marks distribution, which helps candidates attempt questions more strategically.
- Real-time exam simulation, enabling candidates to practice time management and accuracy according to the actual exam pattern.
- Familiarity with topic-wise weightage, helping aspirants focus on high-scoring and frequently asked areas.
Overall, knowing the exam pattern in advance helps candidates prepare smarter, attempt the right questions, and increase their chances of scoring high in the CSIR NET Life Science Exam 2025.
CSIR NET Life Science Exam 2025 How to Prepareย
Preparing for the CSIR NET Life Science Exam 2025 becomes much easier when candidates follow a structured plan and understand the exam requirements in detail. Here are some essential preparation tips to help you score well:
Understand the CSIR NET Life Science Syllabus and Exam Pattern
Before beginning your preparation, make sure you thoroughly understand both the syllabus and the CSIR NET Life Science Exam Pattern. Knowing the topic-wise weightage, number of questions, marking scheme, and time distribution helps you build an effective study plan. A clear understanding of the syllabus also allows you to decide how much time each topic requires.
Solve Previous Yearsโ Question Papers
One of the most effective preparation strategies is solving CSIR NET Life Science previous year question papers. This helps you:
- Get familiar with the types of questions asked
- Understand topic-wise trends
- Identify areas that require more practice
- Boost confidence before the actual exam
Attempting 8โ10 previous year papers is highly recommended. Additionally, taking mock tests will help you simulate the real exam environment and improve speed and accuracy.
Create a 3โ6 Month Study Plan
Develop a well-structured study plan that covers the entire syllabus within 3โ6 months. Make sure to:
- Prioritize high-weightage topics
- Categorize subjects based on your strengths and weaknesses
- Allocate extra time to difficult units
- Revise regularly and track progress
A consistent, focused study plan ensures complete coverage of the syllabus and reduces last-minute stress.
Refer to the Best CSIR NET Life Science Books
Using the right study materials is crucial. Choose expert-recommended CSIR NET Life Science books that explain concepts clearly and offer practice questions. Good books help in mastering complex topics and building strong conceptual understanding, which is essential for scoring well in Parts B and C of the exam.
Attempt Multiple Mock Tests and Timed Test Series
Taking regular mock tests is one of the most powerful techniques to strengthen your CSIR NET Life Science preparation. Mock exams help you evaluate your current level, identify weak areas, and improve your accuracy. Attempting 2โ3 mock tests daily allows you to practice time management and adapt to the pressure of the actual exam day.
These mock tests usually include questions of varying difficulty levels, helping you understand the examโs pattern more deeply. After every attempt, you also receive detailed solutions and performance analysis, which makes it easier to correct mistakes and refine your strategy.
CSIR NET Life Science Plan for Prepare a Detailed Studyย
The CSIR NET Life Science exam is highly competitive, and having a well-structured study plan is essential. Creating a clear preparation roadmap is one of the most effective CSIR NET Life Science tips and tricks to boost your score.
A well-designed study plan helps you:
- Cover the entire syllabus systematically
- Focus more on difficult or high-weightage topics
- Maintain regular revisions
- Track progress and stay consistent

Preparing concise notes alongside your study plan can make revision faster and more effective. With a solid strategy, proper planning, and consistent practice, candidates can significantly improve their chances of scoring well and qualifying the CSIR NET Life Science Exam 2025.
CSIR NET Best Booksย
Choosing the right study material is essential for effective exam preparation. The following table includes the best subject-wise books for CSIR NET recommended by experts and widely used by successful aspirants. These books help in building strong conceptual understanding and offer ample practice questions.
Best Books for CSIR NET 2025 Subject-Wise
| Subject | Book Name | Author / Publisher |
| Chemical Sciences | UGC-CSIR JRF/NET Chemical Sciences (Chemistry) | Truemanโs |
| Earth Sciences | Joint CSIR-UGC NET Earth, Atmospheric, Ocean & Planetary Sciences | R. Guptaโs |
| Life Sciences | UGC CSIR NET/SET (JRF & LS) Life Sciences | Arihant |
| Mathematical Sciences | CSIR-UGC NET/SET (JRF & LS) Mathematical Sciences | Khanna Publishers |
| Physical Sciences | CSIR-UGC NET/JRF/SET Physical Sciences | Upkarโs |
CSIR NET Life Science Previous Year Question Papers
Practicing CSIR NET Life Science PYQs is extremely important for understanding the real exam pattern and question difficulty. Solving previous year papers helps identify important topics, improves accuracy, and builds confidence. Regular PYQ practice also strengthens conceptual clarity and prepares you better for tricky Part C questions. Download the CSIR NET Life Science PYQs PDFs below and start practicing effectively.
Also Check the CSIR NET Cut Off
CSIR NET Life Science Previous Year Question Papers 2024 PDF
Download the CSIR NET Life Science 2024 question papers (June and December sessions) for all subjects in PDF format. These papers help candidates analyze the latest question trends and difficulty levels to prepare effectively for CSIR NET 2025.
| CSIR NET Life Science Previous Year Question Papers PDF (2024) | ||
| Subjects | Exam Shiftย | Download Link |
| Life Science | Shift 1ย | PDF Download |
| Shift 2 | PDF Download | |
| Shift 1 | PDF Download | |
CSIR NET Life Science Previous Year Question Papers 2023 PDF
The CSIR NET Life Science 2023 papers provide insights into topic distribution and commonly asked concepts. Aspirants should solve both sessionsโ papers to understand the exam pattern and improve their accuracy.
| CSIR NET Life Science Previous Year Question Papers PDF (2023) | ||
| Subjects | Exam Shift | Download Link |
| Life Science | Shift 1ย | PDF Download |
| Shift 2 | PDF Download | |
| Shift 1 | PDF Download | |
| Shift 2ย | PDF Download | |
CSIR NET Life Science Previous Year Question Papers 2022 PDF
Access CSIR NET Life Science 2022 question papers in PDF format for Life Sciences, Chemical Sciences, Mathematical Sciences, Earth Sciences, and Physical Sciences. These papers are ideal for revising key topics and testing conceptual understanding.
| CSIR NET Life Science Previous Year Question Papers PDF (2022) | ||
| Subjects | Exam Shift | Download Link |
| Life Science | Shift 1 | PDF Download |
| Shift 2 | PDF Download | |
CSIR NET Life Science Previous Year Question Papers 2020 PDF
Practice with CSIR NET Life Science 2020 papers to get familiar with the revised exam format and updated question style. These papers also help in identifying high-scoring areas and improving problem-solving skills.
| CSIR NET Life Science Previous Year Question Papers PDF (2020) | ||
| Subjects | Exam Shiftย | PDF Download Link |
| Life Science | Shift 1ย | PDF Download |
| Shift 2 | PDF Download | |
CSIR NET Life SciencePrevious Year Question Papers 2019 PDF
The CSIR NET Life Science 2019 papers are useful for analyzing the difficulty level and conceptual focus of each subject. Solving these papers regularly builds confidence for upcoming sessions.
| CSIR NET Life Science Previous Year Question Papers PDF (2019) | |
| Subject | PDF Download |
| Life Sciences | PDF Download |
CSIR NET Life Science Previous Year Question Papers 2018 PDF
Download CSIR NET Life Science 2018 question papers in PDF format for all subjects. These older papers help track changes in exam trends over the years and are perfect for full-length practice sessions.
| CSIR NET Life Science Previous Year Question Papers PDF (2018) | ||
| Subjects | PDF Download Link | |
| Life Science | SET A | PDF Download |
| SET B | PDF Download | |
| SET C | PDF Download | |
Click here to download CSIR NET Previous Year Question Papers PDF.
CSIR NET Life Science Exam Pattern FAQsย
What is the CSIR NET Life Science Exam Pattern?
CSIR NET Life Science Exam Pattern covers three parts with 145 MCQs, 200 total marks, CBT mode, 25% negative marking.
How many questions must be attempted in CSIR NET Life Science 2025?
Candidates need to attempt 75 out of 145 questions as per the exam structure.
What is the marking style in CSIR NET Life Science Exam Pattern?
Part A gives 2 marks per right attempt, Part B gives 2 marks, Part C gives 4 marks with 25% negative marking.
What is the difficulty level of CSIR NET Life Science 2025?
Difficulty level is moderate to high due to concept-based, logic-based, application-based Part C questions.
What language options exist in CSIR NET Life Science Exam 2025?
The exam is available in English or Hindi through CBT mode.
How long is the CSIR NET Life Science Exam 2025?
The exam duration is 3 hours with no extra time for any section.
What are the minimum qualifying marks in CSIR NET Life Science 2025?
General, EWS, OBC need 33% minimum. SC, ST, PwD need 25% minimum.
How do CSIR NET Life Science PYQs help in exam preparation?
PYQs reveal topic trend, question flow, real difficulty level, scoring pattern, thus making preparation stronger.





