CSIR NET Life Science Exam is being conducted by NTA on December 26, 2023, in two different shifts. CSIR NET Life Science Exam is being conducted in CBT mode. Candidates can check the CSIR NET Life Science Exam Analysis & Student's Reaction in this article. CSIR NET Life Science memory-based questions & good attempts are also mentioned in this article.
The NTA conducted the CSIR NET December 2023 exam for Life Science exam for the first shift on December 26, 2023. The timing of the first shift was from 9.00 AM to 12.00 Noon, and the second shift will be from 3.00 PM to 6.00 PM. According to the candidates, CSIR NET Life Science Exam 2023 was Easy to Moderate. Many candidates emphasised that CSIR NET Life Science exam was lengthy in nature but on the easier side than the previous session's exam. Candidates can check the CSIR NET Life Science Exam Analysis & Student's Reaction in this article. In this article, we have provided CSIR NET Students' Reactions, life science exam analysis, difficulty level, memory-based questions & good attempts.
Council of Scientific and Industrial Research (CSIR) NET (also known as CSIR UGC NET) is a national-level exam conducted by the National Testing Agency (NTA) to determine the eligibility of candidates for Junior Research Fellowship (JRF) and for Lectureship (LS)/ Assistant Professor in the universities and colleges of India.
- CSIR NET Life Science Exam Analysis 2023 (December 26)
- CSIR NET Section-wise Exam Analysis 2023 (December 26)
- CSIR NET Life Science Exam Pattern 2023
- CSIR NET Life Science Question Paper 2023
CSIR NET Life Science Exam Analysis 2023 (December 26)
CSIR NET Life Science Exam 2023 was conducted by the NTA in two different shifts on December 26, 2023. CSIR NET Life Science Exam Analysis 2023 has been shared here immediately after the CSIR NET December 2023 exam. Candidates should read the Exam Analysis of CSIR NET Life Science carefully in order to know about the overall as well as the section-wise difficulty level of the CSIR NET Life Science Question Paper 2023.
- Shubham said, "Part A was easy, Part B was a little difficult and Part C was Moderate. Majorly questions were asked from Bio-chemistry, Ecology & Plant Physiology subjects."
- Arun said, "CSIR NET Life Science Exam was on the easier side as compared to the previous year. Part A was difficult & Part B or C were Easy to Moderate."
- Bharat Kumar said, "Part C was easier than Part B. Most questions were asked from Cell Biology & Bio-Technology."
- Ruchika said, "Overall exam was Moderate to Difficult. Animal Physiology, Plant Bio-technology questions were asked in the exam."
Candidates can watch the CSIR NET Student's Reaction video below.
Also Read:
CSIR NET Section-wise Exam Analysis 2023 (December 26)
Candidates can check CSIR NET Life Science Section-wise Analysis 2023 in the table below.
| Life Science Paper | Topics Covered | Difficulty Level | Good Attempts |
|---|---|---|---|
| Part-A | General Aptitude - Speed, Distance and Time; Profit and Loss; Geometry; Syllogism; Mixture & Alligation | Moderate to Difficult | To be Updated |
| Part-B | Cell and Molecular Biology, Digestion of protein, Organelles and functions, Ecology, Evolution, Animal Physiology, Fundamental Processes | Easy to Moderate | To be Updated |
| Part-C |
Hardy Weinberg, Developmental Biology, Limb Development, Population Ecology, Calvin Benson Cycle |
Easy to Moderate | To be Updated |
CSIR NET Life Science Topic-Wise Weightage (Shift 1) for Part A
Part A of the Life Science Paper consists of questions based on the candidate's General Aptitude. The candidates can check the table given below to analyze the number of questions asked in the CSIR NET Life Science Exam (shift 1). Part A of the CSIR NET Life Science exam consists of the following questions:
| Topics |
Weightage |
|---|---|
| Blood relation | 1-2 |
| Order & Ranking | 2 |
| DI (Bar Graph) | 1-2 |
| Profit & Loss | 2 |
| Speed Distance | 3 |
| Ratio & Proportion | 2 |
| Geometry | 2 |
| Algebra | 1-2 |
| Probability | 1 |
CSIR NET Life Science Topic-Wise Weightage (Shift 1) for Part B and C
The table given below consists of the topic-wise weightage by analyzing the number of questions for the CSIR NET Life Science Exam, shift 1. Parts B and C of the Life Science exam include units such as:
| Topics/Units | Weightage |
|---|---|
| Cell-cell movement of small molecules plants | 1-2 |
| Nephron | 1 |
| Digestion of protein | 2-3 |
| Succession | 2 |
| Migrating birds | 3 |
| Mammals of evergreen forest | 1 |
| Net primary productivity of ocean, estuary, forests | 2 |
| Adaptation of sunshade plants | 3 |
| Cell-cell movement of small molecules plants | 2 |
| Organelles and functions | 2-3 |
| primary productivity of Ocean, Estuary, Forests | 2-3 |
| Ecology | 3-4 |
| Inheritance Biology | 3-4 |
| System Physiology-Animals | 4 |
| Cell and Molecular Biology | 4-5 |
| System Physiology-Plants | 5 |
| Light microscope | 3-4 |
Also Read: CSIR NET Syllabus 2023
CSIR NET Life Science Exam Pattern 2023
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 |
- |
CSIR NET Life Science Question Paper 2023
The National Testing Agency (NTA) will release the CSIR NET Life Science Question Paper in the form of the CSIR NET Answer Key after successfully conducting the exam for all subjects. Candidates who have appeared for CSIR NET December 2023 exam will be able to download CSIR NET Question Paper 2023 by logging into the official website with the required credentials.
Read More:
News & Updates
Explore Other Exams
3 Dec '25 - 6 Dec '25 | SSC JE Tier 1 Exam 2025 |
10 Nov '25 - 13 Nov '25 | SSC JE Tier 1 Self-Slot Bookin... |
4 Oct '25 - 6 Oct '25 | Application Correction |
1 Oct '25 - 3 Oct '25 | HP TET Nov 2025 Application Wi... |
Aug '25 | Kerala SET 2025 July Exam |
12 Jun '25 | Kerala SET 2025 July Applicati... |
31 Dec '25 - 7 Jan '26 | UGC NET 2025 Dec Exam Date |
10 Nov '25 - 12 Nov '25 | UGC NET 2025 Dec Application C... |
29 Sep '25 | KTET Answer Key |
18 Sep '25 - 19 Sep '25 | KTET Exam Date |
15 Nov '25 - 22 Nov '25 | OTET OMR Sheet & Final Answer ... |
12 Nov '25 - 25 Nov '25 | OTET Application Form |
15 Nov '25 - 29 Nov '25 | TSTET Application Form Submiss... |
27 Dec '25 | TSTET Admit Card Release |
16 Nov '25 - 23 Nov '25 | IBPS RRB PO prelims admit card... |
22 Nov '25 - 23 Nov '25 | IBPS RRB PO 2025 Prelims Exam |
Nov '25 | UPSC IAS Main Result 2025 |
22 Aug '25 - 31 Aug '25 | IAS Main 2025 Exam Date |
7 Sep '25 | JK SET Exam |
1 Sep '25 | Release of admit card |
Student Forum
Answered 3 weeks ago
Some of the topics that a candidate can revise in the CSIR NET Chemical Science subject:
Organic Reactive Intermediates: Carbocation, Carbanions, Free Radicals, Benzynes
Stereochemistry: Stereogenicity, Stereoselectivity, Enantioselectivity
Organic Reaction Mechanisms
Pericyclic Reactions
Structure Dete
S
Contributor-Level 10
Answered 3 weeks ago
The authority will release the CSIR NET 2025 result for the December session on the official website at csirnet.nta.nic.in. It will contain the name of a candidate, roll number, category, parents' name, Post applied (JRF and Assistant Professor or Assistant Professor Only), subject code, etc.
G
Contributor-Level 6
Answered 3 weeks ago
The authority will release the CSIR NET answer key at csirnet.nta.nic.in. It contains correct answers for all the questions asked in the exam. Check below for more details:
Exam name | Exam date |
Exam shift | Exam subject name |
Exam subject code | Question IDs |
Correct option IDs | - |
V
Contributor-Level 6
Answered 3 weeks ago
The CSIR NET 2025 final answer key will be released on the official website at csirnet.nta.nic.in. After analysing the representations of the aspirants, the NTA will release the CSIR UGC NET final answer key for the Dec session. The answer key will be released in two phases- Provisional and Final.
N
Contributor-Level 6
Answered 3 weeks ago
Candidates can calculate the CSIR NET Chemical Sciences scores through the answer key in the following manner.
CSIR NET Chemical Science Paper Parts | Marks Allotted for Each Question | Marks Deducted for Each Question |
|---|---|---|
A | +2 | -0.5 |
B | +2 | -0.5 |
C | +4 | -1 |
K
Contributor-Level 6
Answered 4 weeks ago
As per the information bulletin, the upper age limit for the CSIR NET exam should not be more than 30 years as on the first day of the month in which the examination is concluded. A relaxation of upto 5 years is provided to the candidates belonging to OBC-NCL (as per the Central list of OBC) /SC/ST/
M
Contributor-Level 6
Answered 4 weeks ago
The authority released the CSIR NET 2025 application form at csirnet.nta.nic.in. The last date to apply was October 27. Candidates who are interested in appearing the exam, need to fill the application form by providing all the details as asked.
C
Contributor-Level 6
Answered 4 weeks ago
Candidates can check below the specifications required to upload the images in the CSIR NET application form:
| Documents | Format | Size in KB |
|---|---|---|
| Photograph | JPG | 10-200 |
| Signature | JPG | 10-50 |
S
Contributor-Level 6
Answered a month ago
The authority will release the CSIR NET 2025 result for the December session at csirnet.nta.nic.in. Candidates required an application number and date of birth to view their scorecard. After the CSIR NET result, the candidates who will be qualified for the exam will be provided with the CSIR NET eli
N
Contributor-Level 6
Answered a month ago
As per the information bulletin, there is no end period for the validity of the qualifying certificate of Assistant Professor.
S
Contributor-Level 6
Exam On - 18 Dec '25

What are the topics to revise in the CSIR NET Chemical Science?