CSIR NET Answer Key 2025: December Subject-Wise Answer Key Download Link
Council of Scientific and Industrial Research National Eligibility Test 2025 ( CSIR NET )
Exam On - 18 Dec '25
CSIR NET Answer Key 2025: The authority will announce the NTA CSIR NET Answer key 2025 for the December session at csirnet.nta.nic.in. Those candidates who will appear in the exam, will be able to check their answer key by visiting the official website. A direct link to download the answer key will also be provided here once it is released. The Provisional Answer Key will be released along with the question paper and marked responses. The answer key challenge window will also be opened for a limited time duration. After analysing the representations of the candidates, the CSIR UGC NET final answer key will be released. The answer key will be released in two phases- Provisional and Final. After releasing the final answer key, the CSIR NET Result & Cut-off will also be released for Dec cycle by NTA on the official website. Scroll down for more details.
- How to Download CSIR NET Answer Key 2025?
- CSIR NET Exam Dates 2025
- How to Challenge CSIR NET Answer Key 2025?
- Details Mentioned on CSIR NET Answer Key 2025
- How to Calculate Scores using CSIR NET Answer Key 2025?
- CSIR UGC NET Final Answer Key 2025
- How to Download CSIR NET Dec 2025 Final Answer Key?
- CSIR NET Answer Key 2025 FAQs
How to Download CSIR NET Answer Key 2025?
Direct Link to Check CSIR NET 2025 Dec Answer Key: to be updated here
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Commonly asked questions
Yes. The CSIR NET is a prestigious examination conducted by the National Testing Agency twice a year. The CSIR NET 2025 notification for the Dec session was released at csirnet.nta.nic.in.
The exam dates for the Dec session of the CSIR NET 2025 is December 18, 2025. The detailed schedule and exact timings of the examination will be released on the official website.
CSIR NET Exam Dates 2025
Take a look at the table below for the complete schedule of CSIR NET 2025 exam
| Dates | Past Exam Dates |
|---|---|
| 20 Aug ' 25 | CSIR NET 2025 June Result |
| 01 Aug ' 25 | CSIR NET 2025 June Provisional Answer Key |
| 01 Aug ' 25 - 03 Aug ' 25 | CSIR NET 2025 June Provisional Answer Key challenge window |
How to Challenge CSIR NET Answer Key 2025?
In case, any candidate is not satisfied with the given answer for any question, s/he can challenge it. However, it may be noted that for each challenged question/answer, candidates have to pay a fee of INR 200 in online mode.
Candidates can follow the methods mentioned below to challenge the answer key:
As per the notification released, the processing fee may be paid using Debit/Credit Card/Net Banking. No challenge will be entertained without receipt of the processing fee. The fee towards the challenge will not be accepted through any other mode.
Commonly asked questions
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.
The authority will release the CSIR NET 2025 provisional answer key for the December Session on the official website. Candidates can also challenge the answer key, and based on the objections received, the NTA will release the final answer key. Candidates need to pay INR 200 per question as an objection fee. This fee is non-refundable.
Details Mentioned on CSIR NET Answer Key 2025
CSIR UGC NET 2025 December answer key for the CSIR NET 2025 exam contains correct answers for all the questions asked in the exam. The answer key contains the following details.
| Exam name |
Exam date |
| Exam shift |
Exam subject name |
| Exam subject code |
Question IDs |
| Correct option IDs |
- |
Commonly asked questions
No. The CSIR NET 2025 Final Answer Key for the December Session will be released on the official website at csirnet.nta.ac.in. The CSIR NET Final Answer Key will be released after analysing the representations of the candidates. A direct link will also be provided on this page once it is released.
The CSIR NET stands for the Council of Scientific and Industrial Research National Eligibility Test. It determines the eligibility of Indian nationals for the 'award of Junior Research Fellowship and appointment as Assistant Professor.' Also, appointment as 'Assistant Professor and admission to Ph.D.' and 'admission to Ph.D. only' in several Indian universities and colleges.
How to Calculate Scores using CSIR NET Answer Key 2025?
CSIR UGC NET answer key is an important document as it allows candidates to calculate the expected scores for the exam. Candidates are advised to check all answers given in the key carefully and calculate the scores correctly.
CSIR NET Scores of Chemical Sciences
Candidates can calculate it 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 |
CSIR NET Scores of Earth, Atmospheric, Ocean and Planetary Sciences
Candidates can calculate it in the following manner.
| CSIR NET Earth Science Paper Parts |
Marks Allotted for Each Question |
Marks Deducted for Each Question |
|---|---|---|
| A |
+2 |
-0.5 |
| B |
+2 |
-0.5 |
| C |
+4 |
-1.32 |
CSIR NET Scores of Life Sciences
Candidates can calculate the Life Sciences scores through the answer key in the following manner.
| CSIR NET Life Science Paper Parts |
Marks Allotted for Each Question |
Marks Deducted for Each Question |
|---|---|---|
| A |
+2 |
-0.5 |
| B |
+2 |
-0.5 |
| C |
+4 |
-1 |
CSIR NET Scores of Mathematical Sciences
Candidates can calculate the Mathematical scores through the answer key in the following manner.
| CSIR NET Mathematical Science Paper Parts |
Marks Allotted for Each Question |
Marks Deducted for Each Question |
|---|---|---|
| A |
+2 |
-0.5 |
| B |
+3 |
-0.75 |
| C |
+4.75 |
0 |
CSIR NET Scores of Physical Sciences
Candidates can calculate the scored in the following manner.
| CSIR NET Physical Science Paper Parts |
Marks Allotted for Each Question |
Marks Deducted for Each Question |
|---|---|---|
| A |
+2 |
-0.5 |
| B |
+3.5 |
-0.875 |
| C |
+5 |
-1.25 |
Also Read: CSIR UGC NET Exam Pattern
Commonly asked questions
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.
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 |
CSIR UGC NET Final Answer Key 2025
The NTA will release the CSIR NET 2025 Dec session Final Answer key at csirnet.nta.nic.in. Candidates will be able to download the Final Answer key PDF below. The CSIR UGC NET Answer Key for the Dec session will be released in a PDF format and candidates can download the CSIR NET Answer Key PDF through the link provided below in this article once it is released.
Candidates who will not be satisfied with the answers mentioned in the provisional answer key raised objections about the answer key against in a particular time frame. Candidates need to pay INR 200 per question to submit their objections against the CSIR NET Answer Key 2025. The CSIR NET answer key will be released in two phases - Provisional and Final. The CSIR NET Provisional Answer Key 2025 will be released along with the question paper and marked responses. After analysing the representations of the candidates, the NTA will release the CSIR NET final answer key.
Check CSIR NET 2025 Dec Final Answer Key PDF: to be updated here
Commonly asked questions
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.
The authority will release the CSIR NET answer key on the official website at csirnet.nta.nic.in. It contains correct answers for all the questions asked in the exam. The answer key contains the following details as mentioned below:
Exam name | Exam date |
Exam shift | Exam subject name |
Exam subject code | Question IDs |
Correct option IDs | - |
How to Download CSIR NET Dec 2025 Final Answer Key?
The CSIR NET 2025 final answer key pdf will be available for download at csirnet.nta.nic.in. Candidates can download the CSIR NET 2025 final answer key pdf for all the subjects online by following manner:
Direct link to check CSIR NET 2025 Dec Final Answer Key: to be updated here
Commonly asked questions
Candidates can check below the list of Life Science books that will help in the preparation:
- Life Science by Ashish Nagesh, Quaisher J. Hossain
- Life Sciences Books (Vol 1) by Dr. Poonam Sharma
- Plant Physiology by Taiz and Zeiger
- CSIR UGC NET Life Sciences by Trueman’s Publication
- Microbiology by Prescott
- Life Sciences Fundamentals and Practice Part 1 & 2 by Pranav Kumar
- Fundamentals of Life Sciences Volume I and Volume II by Rupendra Singh
CSIR NET Answer Key 2025 FAQs
Candidates can read the CSIR NET Answer Key 2025 FAQs below.
Commonly asked questions
The authority will release the CSIR NET 2025 provisional answer key for the December Session on the official website. Candidates can also challenge the answer key, and based on the objections received, the NTA will release the final answer key. Candidates need to pay INR 200 per question as an objection fee. This fee is non-refundable.
No. The CSIR NET 2025 Final Answer Key for the December Session will be released on the official website at csirnet.nta.ac.in. The CSIR NET Final Answer Key will be released after analysing the representations of the candidates. A direct link will also be provided on this page once it is released.
CSIR NET Exam
Student Forum
Anything you would want to ask experts?Answered a week 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 a week 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 a week ago
The authority will release the CSIR NET answer key on the official website at csirnet.nta.nic.in. It contains correct answers for all the questions asked in the exam. The answer key contains the following details as mentioned below:
Exam name | Exam date |
Exam shift | Exam subject name |
Exam subject code | Question IDs |
Correct option IDs | - |
V
Contributor-Level 6
Answered a week 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 a week 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 a week 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 a week ago
The CSIR NET 2025 application form was released on September 25 at csirnet.nta.nic.in. The last date to apply was October 27, 2025. Candidates can fill out the application form by visiting the official website or through a direct link provided here on this page.
C
Contributor-Level 6
Answered a week 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 2 weeks 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 2 weeks 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
UGC NET 2025 Dec Application 7 Oct '25 - 7 Nov '25
What are the topics to revise in the CSIR NET Chemical Science?