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 2026 ( CSIR NET )
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
4 Feb '26 - 24 Feb '26
SBI Clerk
30 Apr '26
22 Aug '26 - 23 Aug '26
30 Aug '26
31 Aug '26
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
The CSIR NET 2026 Notification for the June session will be released in the form of PDF at csirnet.nta.nic.in. It conists of the important information related to the exam like important dates, syllabus, pattern, etc.
M
Contributor-Level 6
Answered a week ago
The Council of Scientific and Industrial Research - National Eligibility Test exam is conducted twice in a year, mainly in the months of June and December. It will be held for five subjects that is Life Sciences, Physical Sciences, Chemical Sciences, Mathematical Sciences, and Earth Sciences.
S
Contributor-Level 6
Answered a month ago
The authority released the CSIR NET 2025 December session result on the official website at csirnet.nta.nic.in. It has been released in the form of PDF. It also consists of the roll numbers and rank of candidates who qualified the exam.
V
Contributor-Level 6
Answered a month ago
List of some the books that are helpful for the CSIR NET Earth Science preparation are mentioned below:
- Environmental Geology by Edward A Keller
- Structural Geology by Haakon Fossen
- Sedimentology and Stratigraphy by Gary Nichols
- Principles of Sedimentology and Stratigraphy by Sam Boggs Jr.
- Vertebrate Pale
N
Contributor-Level 6
Answered a month ago
The list of some of the important topics of Mathematical Science paper is mentioned below:
- Analysis
- Numerical & Complex Analysis
- Calculus of Variations
- Linear Integral Equations
- Algebra
- Ordinary Differential Equations (ODEs)
- Descriptive Statistics, Exploratory Data
- Classical Mechanics
S
Contributor-Level 6
Answered a month ago
The CSIR NET Physical Science Paper consists of the important topics as mentioned below:
- Mathematical Methods of Physics
- Classical Mechanics
- Thermodynamic and Statistical Physics
- Electromagnetic Theory
- Quantum Mechanics
- Electronics and Experimental Methods
M
Contributor-Level 6
Answered a month ago
Topics that are covered in the CSIR NET Life Science exam are listed below:
- Molecules and their Interaction Relevant to Biology
- Cellular Organization
- Cell Communication and Cell Signaling
- Developmental Biology
- System Physiology – Plant
- System Physiology – Animal
- Fundamental Processes
- Ecological Principles
- Ev
C
Contributor-Level 6
Answered a month ago
Officially, the CSIR NET Syllabus is available on the official portal at csirhrdg.res.in. It is available subject-wise in the form of PDF. Candidates can downlaod by visiting the official website. The CSIR NET syllabus is also available on this page itself.
I
Contributor-Level 6
Answered a month ago
Yes, the NTA released the CSIR NET 2025 Answer Key on its portal. The candidates were required to login with their credentials to download their subject answer key. The last date to send objections was January 1, 2026.
M
Contributor-Level 6
Answered a month ago
Yes. The NTA has released the CSIR UGC NET 2025 Provisional Answer Key for the December session. Candidates can download it by visiting the official portal or via a direct link provided on this page. They required login credentials to check the answer key.
I
Contributor-Level 6
The CSIR NET exam consists of five subjects some of them are Maths, Physical Science, Chemical Science, etc. Part A in the exam is common for all candidates and Part B and C is subject-specific. Candidates need to select one subject and prepare well to clear the examination.