CSIR NET 2025 June Life & Earth Science (Shift 1) Question Paper Analysis OUT, Answer Key, Expected Cutoff
Council of Scientific and Industrial Research National Eligibility Test 2025 ( CSIR NET )
Exam On - 18 Dec '25
CSIR NET 2025 June Session Question Paper Analysis is available here for the exam conducted on July 28 in the first shift from 9 am to 12 noon for subjects Life and Earth Science. Scroll down to know about the overall difficulty level, topics asked, memory-based questions, answers, and expected cutoff for subjects Life Science and Earth Science.
CSIR NET 2025 June Life & Earth Science Analysis
CSIR NET 2025 Life & Earth Science Anaysis: The National Testing Agency (NTA) conducted the CSIR UGC NET 2025 exam for the June session on July 28 for subjects Life Science and Earth Science in the first shift. It was started at 9 am and concluded at 12 noon. Analysis is an important part of the examination as it provides information regarding the difficulty level of the examination, the question paper, the topics asked in the exam, etc. Candidates can predict, regarding the cutoff, whether it will rise or drop. The total number of questions asked in the Life Science exam is 145, and candidates need to attempt 75 questions where as in Earth Science, total questions asked are 150 and candidates required to attempt 75 questions. The CSIR NET 2025 Exam (Life Science & Earth Science) is divided into three parts, namely Part A, Part B, and Part C. Candidates can check below the detailed CSIR NET 2025 June Life Science & Earth Science exam analysis based on the student reactions, overall difficulty level, topics asked, memory-based questions and answers, etc.
- CSIR NET June Life Science Exam Analysis 2025: Student Reactions & Topics asked (Shift 1, July 28)
- CSIR NET Section-Wise Analysis: June Life Science (Shift 1)
- CSIR NET 2025 June Exam Students Reactions Video
- CSIR NET Section-Wise Analysis: June Earth Science (Shift 1)
- CSIR NET 2025 June Answer Key
CSIR NET June Life Science Exam Analysis 2025: Student Reactions & Topics asked (Shift 1, July 28)
According to the students responses, the Life Science exam is Difficult in overall difficulty level. Students also felt that Part C of the Life Science exam was difficult as compared to earlier CSIR NET exam. Some also felt Part B a bit difficult.
Topics asked in Life Science are:
As per the students, topics asked in the Life Science exam are mentioned below:
- GLUT 5
- Tight junction
- CdK-2
- Ramachandran Plot
- Non Photochemical Quenching
- HPV (Cancer causing virus)
- Leaf Development (Phytohormone)
- TAL effector
- Biosynthesis of phytohormones (question from Plant)
- Asymmetric cell division in plant
- K & r selected
- Unbranched GAGs
- Evolution (sequence oldest to latest)
- Great Indian Bustard
- Terpenes
- Difference between bacteria and archaebacteria, etc.
Topics asked from Plant Physiology are:
- Pathway & Hormones
- Disease'2 degree metabolites
- Cytokinin
- Lignin
- Asymmetrical cell (division in plants)
- Leaf Development
- Chronology in wheat
- Photosystem I & II, etc.
CSIR NET Life Science 2025 Questions asked in Exam
- Ecology-sequence of Proterozoic, Archeozoic, Phanerozoic Eras
- Arrange the eras in order from youngest to oldest: Archaeozoic, Proterozoic, Phanerozoic
- Arrange in order: DNA Gyrase, DNA Helicase, DNA Primase, DNA Pol 3, DNA Pol 1, DNA Ligase
- What is the remainder when 2023^2024 + 2025^2024 is divided by 2024?
- A marble block measuring 5m X 4mX 2m is cut into rectangular slabs of size 1m X 0.5m wit a thickness of 10 cm. If 10% of the marble is lost during grinding, how many slabs can be obtained?
- Numerical Approximation: Cube of 0.99 is closed to
- A. 0,33
- B. 0.99
- C. 0.21
CSIR NET Section-Wise Analysis: June Life Science (Shift 1)
Candidates can check the CSIR NET 2025 June Life Science Analysis for Shift 1 in the table below based on the students' review.
| Part Name |
Total MCQs |
Total MCQs to be Attempted |
Difficulty Level |
Good Attempts |
|---|---|---|---|---|
| Part A |
20 |
15 |
Easy |
9-12 |
| Part B |
50 |
35 |
Moderate to Difficult |
18-22 |
| Part C |
75 |
25 |
Difficult |
20-24 |
| Total |
145 |
75 |
Difficult (Overall) |
110+ |
CSIR NET 2025 June Exam Students Reactions Video
Upcoming Sarkari Exam Dates
UGC NET
10 Nov '25 - 13 Nov '25
15 Nov '25 - 16 Nov '25
17 Nov '25 - 21 Nov '25
22 Nov '25 - 23 Nov '25
IBPS Clerk
Candidates can check the CSIR NET 2025 June Earth Science Analysis for Shift 1 in the table below based on the students' review.
| Part Name |
Total MCQs |
Total MCQs to be Attempted |
Difficulty Level |
Good Attempts |
|---|---|---|---|---|
| Part A |
20 |
15 |
to be updated here |
to be updated here |
| Part B |
50 |
35 |
to be updated here |
to be updated here |
| Part C |
80 |
25 |
to be updated here |
to be updated here |
| Total |
150 |
75 |
to be updated here |
to be updated here |
CSIR NET 2025 June Answer Key
The National Testing Agency (NTA) will release the CSIR NET June Answer Key 2025 one week after the exam was concluded. Candidates will be able to raise objections against the CSIR UGC NET Provisional Answer Key by using their login credentials into the official website for a specific time period. The CSIR UGC NET 2025 June session exam is conducted on July 28. The Answer Key of CSIR NET will be available in the PDF format. After releasing the final answer key, CSIR NET Result & Cut-off will soon be published by NTA.
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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 2 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 2 weeks 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 2 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 3 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 3 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
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.