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NEST 2025 Question Paper with Solutions- The NISER Bhubaneswar, in collaboration with UMDAE CEBS, conducted the NEST 2025 on 22 June 2025. The examination was held for admission to the Integrated MSc program at NISER, Bhubaneswar, and UM-DAE CEBS, Mumbai. In this article, we have published the official NEST 2025 questions and answers. Going through the NEST 2025 question paper and answers can be very helpful for the candidates as it helps them to devise the probable NEST 2025 score.
Latest- NEST Question Paper 2025 With Solution PDFs
Analysing the NEST 2025 question paper will help students to analyse their score, and it will also help future aspirants to understand the exam pattern and structure better. By studying NEST past papers, candidates can find out the mistakes that they made during the NEST preparation and work on improving those areas. This helps them avoid the same mistakes in the real exam and also helps with enhancing the NEST 2025 preparation. The NEST 2025 Question Paper with Solutions is made available on the day of the exam.
Q 1. Change of amino acids in a protein led to formation of a salt bridge, without affecting the overall fold of the protein. Such a change will result in:
A. a decrease in enthalpy
B. a decrease in melting temperature (
C. a decrease in stability of the protein.
D. an increase in free energy change
Ans: (A) a decrease in enthalpy
Q 2. When a human somatic cell undergoes mitotic division, the ploidy level in metaphase and telophase, respectively, would be:
A.
B. n and n
C.
D.
Ans: (A)
Q 3. According to the VSEPR theory, the shapes of
A. Trigonal bipyramidal, Tetrahedral, and Trigonal pyramidal
B. Trigonal bipyramidal, Square planar, and Trigonal planar
C. Square pyramid, Tetrahedral, and Trigonal pyramidal
D. Square pyramid, Tetrahedral, and Trigonal planar
Ans: (A) Trigonal bipyramidal, Tetrahedral, and Trigonal pyramidal
Q 4. The oxidation number and valence number of Ga in
A. 2 and 3
B. 3 and 3
C. 1 and 3
D. 3 and 2
Ans: (A) 2 and 3
Q 5. The metal ion that does not form a stable metal carbonyl complex is
A.
B.
C.
D.
Ans:
Difficulty Level: Moderate
Questions from NCERT Books and Topic
Difficulty Level: Difficult
Mostly Class 11 level topics
Main topics: Probability, Limits, and other Class 11-12 math
Students ran out of time because calculations were long
Difficulty Level: Easy
Most questions came straight from NCERT books
No tricky questions - all were simple and clear
3-year undergraduate program focusing on practical computing skills.
Apply for B.Tech | AICTE Aproved | UGC Recognized | International Collaborations for Global Edge | 100% Placement Assistance
Difficulty Level : Moderate
Lots of questions from Inorganic Chemistry (reactions, compounds)
Some Physical Chemistry (calculations, formulas)
Again, NCERT books helped a lot
The NISER, Bhubaneshwar, announced the NEST exam pattern 2025 for the Computer-Based Test. According to the NEST exam pattern, there are four subjects in the examination, Physics, Chemistry, Biology and Mathematics, out of which the best of 3 sections are considered for the preparation of the merit list. Each subject account for 20 questions. The complete details about the NEST exam pattern 2025 are provided below:
NEST Exam Pattern 2025 | |
Types of Questions | Multiple Choice Questions |
Subject Name | Physics Chemistry Biology Mathematics |
Total Questions | 20 questions per section |
Total sections | 4 |
Marks for each section | 60 |
NEST exam total marks | 240 |
NEST exam duration | 3 hours and 30 minutes |
NEST 2025 marking scheme | +3 for every correct answer -1 for every incorrect answer 0 for not attempting a question |
Attempting the NEST 2025 question papers is crucial for effective preparation. It familiarises you with the exam pattern, marking scheme, and question types. Practising with NEST question papers 2025 enhances time management, identifies strengths and weaknesses. Candidates can also use the NEST Answer Key 2025 to compare their answers. Go through the section below to know ways to attempt a question paper of the NEST exam.
Understand the Exam Pattern: Before starting, thoroughly review the NEST 2025 exam pattern, including the number of sections. Also, go through the total marks, duration, and marking scheme.
Time Management: Allocate specific time slots for each NEST 2025 section based on its weightage and your strengths. For instance, with 3 hours and 30 minutes total, divide your time judiciously among the four 60-minute sections.
Start with Your Strengths: Begin with the section you are most confident in. This helps to build momentum and ensure you secure high NEST marks from your strongest areas first.
Read Questions Carefully: Pay close attention to every word in the question. Misreading can lead to incorrect answers, especially in multiple-choice questions where options might be designed to trick you.
Prioritise: If you get stuck on a question, don't spend too much time on it. Mark it for review and move on. You can come back to it later if time permits.
Apply Negative Marking Strategy: Since there's negative marking (-1 for incorrect answers), avoid blind guessing. Only answer a question if you are reasonably sure of the answer. If you can eliminate at least two options, a calculated guess might be considered.
Review Your Answers: If you finish early, use the remaining time to review your answers. Check for any silly mistakes, unattempted questions (if you had marked them), or questions where you might have second thoughts.
The candidates should first review the NEST 2024 question paper to prepare well for NEST 2025. Going through previous year questions gives a clear idea of the exam format and commonly asked topics. A few sample questions from the 2023 paper are provided below for practice and better understanding.
1. A thin spherical copper shell of radius R, filled with a viscous fluid, is rotating about the vertical axis with a constant angular speed ω0. Due to a leak at the bottom of the shell, the fluid starts dripping steadily and vertically from the shell. The net change in angular speed (δω) when the shell is empty is
Options:
proportional to R2.
proportional to R.
proportional to R3.
independent of R.
2. A metal rod, connected between two high-voltage electrodes, attains steady-state temperature through a balance between radiated power loss and Joule heating. The temperature of the surroundings is negligible compared to that of the rod, and the resistance of the rod is independent of its temperature. Assuming the current through the rod to be I, the dominant wavelength of radiation (λ) is given by λ∝Iα. Then, the value of α is
Options:
1.0
−0.5
2.0
−1.0
1. Pyrophosphoric acid (H4P2O7) and pyrophosphorous acid (H4P2O5) are oxyacids of phosphorus. The number of P-OH bonds present in pyrophosphoric acid and pyrophosphorous acid, respectively, is
Options:
4, 3
4, 4
4, 2
2, 4
2. The pair of molecules having the same shape is
Options:
PF5 and BrF5
O3 and I3−
BF3 and ClF3
XeO3 and PF3
1. A 1000 base pair double-stranded DNA (B form) has a melting temperature (T_m) of Missing open brace for superscriptMissing open brace for superscript. If a duplex RNA (A form) of the same length and sequence is constructed, then the T_m of this new RNA duplex with respect to the DNA (B form) would be
Options:
higher due to greater stability of A form of RNA duplex.
lower due to lower stability of A form of RNA duplex.
lower because of unfavourable enthalpy of formation of RNA duplex.
identical, as the number of hydrogen bonds remain the same.
2. A biochemist wants to purify a protein X (molecular weight = 30.2 kDa and pI = 7.5) from a solution containing proteins Y and Z (molecular weight = 30.9 kDa and pI = 3.5) using ion exchange chromatography. In this technique, an anion exchange resin is positively charged and a cation exchange resin is negatively charged. The most appropriate resin where protein X, but not Y, will remain bound is
Options:
cation exchanger at pH = 7.5.
anion exchanger at pH = 2.5.
cation exchanger at pH = 5.0.
anion exchanger at pH = 7.5.
1. The number of real roots of f(x)=x6+x3−1 is Options:
0
2
4
6
2. Let S be the set of all natural numbers x such that (i) 100lexle999, (ii) 0 appears at least once as a digit in the decimal expansion of x, and (iii) the sum of the digits of x is 10. Then the number of elements in S is
Options:
18
20
27
30
NEST Previous Year Question Papers are actual exam papers from past years of the National Entrance Screening Test. They are invaluable for understanding the exam's structure, marking scheme, and question types. Solving these papers helps identify important topics and pinpoint strengths and weaknesses. Go through the table to get year-wise NEST question paper download links.
Title | NEST Question Paper Download Link |
NEST Previous Year Question Paper 2023 | |
NEST Previous Year Question Paper 2022 | |
NEST Previous Year Question Paper 2021 | |
NEST Previous Year Question Paper 2020 |
NEST is considered moderately tough. It requires a strong conceptual understanding of PCMB or the PCMS subjects and effective time management due to its comprehensive syllabus.
The NEST exam primarily consists of multiple-choice questions (MCQs). These questions cover Physics, Chemistry, Mathematics, and Biology, testing conceptual clarity and problem-solving skills.
The NEST exam has four sections (Physics, Chemistry, Mathematics, Biology/PCMS). Each section carries 60 marks, with a +3 for correct answers and -1 for incorrect answers in a 3-hour 30-minute duration.
While NCERT books form a strong foundation for NEST, they are generally not sufficient alone. Supplement your studies with advanced textbooks and solve numerous practice problems to score high marks.
Yes, you can attempt NEST without Biology. The exam allows candidates to choose between a Biology section or a Mathematics section, making it suitable for both PCMB and PCMS students.
Yes, with a PCB (Physics, Chemistry, Biology) background, you can pursue a B.Tech in Biotechnology, especially if you've taken relevant entrance exams like NEST, CUET, or have appeared for NEET. While some B.Tech programs may require Mathematics as a core subject, many universities offer programs that accommodate PCB students, either through specific tracks or by providing bridging courses in Mathematics during the first year.
Hello Aspirant,
For NEST (National Entrance Screening Test) preparation, focusing on important chapters can boost your score. Based on previous years’ trends, here’s a subject-wise list of important chapters:
Physics
Motion & Laws of Motion
Work, Energy, Power
Heat & Thermodynamics
Current Electricity
Optics
Modern Physics (Atoms & Nuclei)
Chemistry
Atomic Structure
Chemical Bonding
Equilibrium
Thermodynamics
Organic Chemistry (Basics, GOC, Hydrocarbons)
Coordination Compounds Mathematics
Sets, Relations & Functions
Permutations & Combinations
Probability
Calculus (Limits, Derivatives, Integration)
Matrices & Determinants
Complex Numbers
Biology
Cell: Structure & Function
Genetics & Evolution
Human Physiology
Plant Physiology
Ecology & Environment
Biotechnology
General Section
Logical Reasoning
Analytical Ability
General Science (basic)
Data Interpretation
Focus on NCERTs (Class 11 & 12) for all subjects, especially Biology and Chemistry.
All the best for your NEST exam.
Hello!
Yes, you are eligible to appear for NEET .
As per NEET eligibility criteria:
You need a minimum of 50% marks in PCB (Physics, Chemistry, Biology) for General category,
40% for SC/ST/OBC categories,
And 45% for PWD (General-PH) candidates.
Since you scored 58.6% in PCB , you meet the required subject criteria. Your overall percentage (69.33%) is also acceptable.
So yes, you can apply and appear for the NEET exam.
Hope this helps!
Here's the syllabus for
LPUNEST:
Hello,
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