The Joint Entrance Examination (JEE) Main 2025 Session 2 kicked off on April 2, 2025
, with Day 1 Shift 1 setting the tone for thousands of engineering aspirants across India. Conducted by the National Testing Agency (NTA), this highly anticipated exam is a crucial stepping stone for students aiming to secure admission into top-tier institutes like IITs, NITs, and IIITs. With the Shift 1 exam now concluded, memory-based questions and their answer keys are circulating, offering valuable insights into the paper’s structure, difficulty, and key topics. In this blog, we’ll dive into the details of the JEE Main Session 2 Day 1 Shift 1 question paper, provide an overview of memory-based questions, and share the unofficial answer key highlights based on student feedback and expert analysis.
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- Overview of JEE Main Session 2 Day 1 Shift
The Shift 1 exam for JEE Main 2025 Session 2 Paper 1 (B.E./B.Tech) took place from 9:00 AM to 12:00 PM on April 2, 2025. As per the established pattern, the paper consisted of 90 questions, with 30 each from Physics, Chemistry, and Mathematics. Out of these, candidates were required to attempt 75 questions—25 per section, including 20 multiple-choice questions (MCQs) and 5 out of 10 numerical value-based questions. The total marks for the paper stood at 300, with +4 for each correct answer and -1 for each incorrect one.
Also read- Do’s for JEE Main 2025 Session 2
Based on initial student reactions and expert reviews, the Shift 1 paper was rated as moderate in difficulty. Physics emerged as the easiest section, Chemistry was a balanced mix, and Mathematics posed a challenge due to its length and complexity. Let’s break it down further.
Memory-Based Questions: A Sneak Peek
Since the JEE Main is conducted online, official question papers aren’t immediately available. However, memory-based questions compiled from student recollections provide a reliable snapshot of the exam. Here are some examples of questions reportedly asked in Shift 1, along with their tentative answers:
Physics:
Question: A particle moves with a velocity of 5 m/s and accelerates uniformly at 2 m/s² for 10 seconds. What is the final velocity?
Answer: 25 m/s (Using v = u + at: 5 + 2 × 10 = 25).
Topic Highlights: Mechanics (kinematics, laws of motion), electrostatics, and optics dominated, with a few questions from thermodynamics.
Chemistry:
Question: Which of the following has the highest boiling point: CH₃OH, CH₃CH₂OH, or CH₃CH₂CH₂OH?
Answer: CH₃CH₂CH₂OH (Due to increased molecular weight and stronger intermolecular forces).
Topic Highlights: Organic chemistry (reactions, nomenclature), inorganic chemistry (periodic table trends), and physical chemistry (mole concept, thermodynamics).
Mathematics:
Question: Find the area under the curve y = x² from x = 0 to x = 2.
Answer: 8/3 (Integral of x² from 0 to 2 = [x³/3] from 0 to 2 = 8/3).
Topic Highlights: Calculus (integration, differentiation), coordinate geometry, and algebra (matrices, quadratic equations).
These memory-based questions reflect the exam’s focus on core concepts from the Class 11 and 12 NCERT syllabus, with a slight emphasis on application-based problems.
Answer Key Insights
Unofficial answer keys, prepared by coaching institutes like Allen, Aakash, and Resonance based on student feedback, are already available online. These keys help candidates estimate their scores before the official NTA answer key is released (expected in mid-April 2025). Here’s a quick look at the marking trends from Shift 1:
Physics: Most students found this section straightforward, with 18-20 correct attempts considered achievable for a well-prepared candidate.
Chemistry: A balanced section, with 20-22 correct attempts being a good benchmark.
Mathematics: The toughest of the three, with 15-18 correct attempts seen as a solid performance due to time constraints.
To calculate your approximate score, use the formula:
For example, if you answered 50 questions correctly and 10 incorrectly, your score would be (50 × 4) – (10 × 1) = 190.
Difficulty Level and Student Reactions
Students exiting the exam centers described Shift 1 as a mixed bag. Physics was a confidence booster for many, with direct, formula-based questions. Chemistry struck a middle ground, with NCERT-based questions making it manageable. Mathematics, however, drew mixed responses—some found it lengthy but doable, while others struggled with time management due to complex calculations in calculus and 3D geometry.
Experts suggest that the paper’s moderate difficulty aligns with NTA’s trend of maintaining consistency across shifts and sessions. Compared to Session 1 (January 2025), Shift 1 of Session 2 felt slightly easier in Physics but tougher in Mathematics.
How to Use This Information
For students awaiting their turn in upcoming shifts or Session 2 Day 2, analyzing these memory-based questions and answer keys is a goldmine. Focus on:
Revising high-weightage topics like mechanics, organic chemistry, and calculus.
Practicing numerical value questions to improve speed and accuracy.
Simulating exam conditions with past papers or mock tests to tackle time pressure.
For those who appeared in Shift 1, cross-check your answers with the unofficial keys and identify areas for improvement before Session 2 results or JEE Advanced preparation.
What’s Next?
The NTA will release the official provisional answer key for Session 2 in the second week of April 2025, followed by a challenge window. The final answer key and results are expected by late April. Until then, memory-based resources are your best bet for self-assessment.
Stay tuned for updates on Shift 2 analysis and further question paper breakdowns as Session 2 progresses. Best of luck to all JEE aspirants—your hard work is about to pay off!
FAQ: JEE Main Session 2 Day 1 Shift 1 Question Paper 2025
1. Where can I find the JEE Main Session 2 Day 1 Shift 1 memory-based questions?
Memory-based questions are available on educational platforms like Vedantu, Allen, and Infinity Learn, compiled from student feedback post-exam.
2. Is the unofficial answer key reliable for score estimation?
Yes, unofficial answer keys from reputed coaching institutes are generally accurate for initial score estimation, though they’re based on memory and may have minor discrepancies.
3. What was the difficulty level of Shift 1 on April 2, 2025?
The paper was moderate overall—Physics was easy, Chemistry was moderate, and Mathematics was challenging due to its length and complexity.
4. How many questions did Shift 1 have, and how many needed to be attempted?
The paper had 90 questions (30 per section), and candidates needed to attempt 75 (25 per section), including 20 MCQs and 5 numerical questions.
5. When will the official NTA answer key for Session 2 be released?
The provisional answer key is expected in mid-April 2025, with the final key following after the challenge period.
6. How can I calculate my Shift 1 score using the answer key?
Use the formula: Score = (Correct Answers × 4) – (Incorrect Answers × 1). Match your responses with the key and compute accordingly.
7. What were the key topics in Shift 1?
Physics focused on mechanics and optics, Chemistry on organic and inorganic concepts, and Mathematics on calculus and coordinate geometry.
8. Can I challenge the unofficial answer key?
No, only the official NTA answer key can be challenged during the designated window in April 2025.
9. How does Shift 1 compare to Session 1 papers?
Shift 1 was slightly easier in Physics but tougher in Mathematics compared to Session 1, maintaining a moderate overall difficulty.
10. What should I do if I missed Shift 1?
Review the memory-based questions and answer key to gauge the paper’s pattern and prepare effectively for upcoming shifts or future attempts.
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