JEE Main 25 February Analysis: Paper 1 PCM Asked Questions, Answer Key & Difficulty Level explained

NTA nodal agency on Thursday, February 25 holds JEE Main 2021 examination for Paper 1 (B.E/B.Tech). The examination is held at designated centres across the country. The exam is held in Computer Based Mode for BE/BTech in two shifts. After the exam, an analysis of the 25th February paper is given below.

By Rohit Sindhu, Updated : Feb 25, 2021 15:07 IST
JEE Main 25 February Analysis: Paper 1 PCM Asked Questions, Answer Key & Difficulty Level explained
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The National Testing Agency (NTA) on Thursday, February 25 conducts JEE Main 2021 paper 1 (B.E/B.Tech) examination in computer-based mode. The first shift examination started at 9:00 am in the Morning and lasted at 12:00 noon for the first session scheduled in February. The exam is reportedly held in the online computer-based mode for B.E and B.Tech admissions.

The examination is reportedly conducted following the social distancing and other Covid19 tackling guidelines released by the Govt. of India. The candidates were seen wearing a face mask/cover inside the examination center. The registered candidates were provided detailed instructions through the released e-Call letters.

Based on the reports, the 25th February first shift examination is conducted at different centers located in 331 cities throughout the country and abroad. The exams are scheduled to be held in two sittings each day from 9 am to 12 noon and from 3 pm to 6 pm.

In JEE Main 2021 examination, as many as 6,61761 lakh candidates have registered for Engineering Paper 1 (BE/ B.Tech) and Paper 2 (B. Arch, (B.Planning) examination. The examination is being held at 852 exam centers across the country. Paper 1 of JEE (Main) 2021 is being held for admission to B.E/ B.Tech courses for the academic session 2021-22. The February 2021 exam will be followed by the next three sessions in March, April, and May 2021.

After the JEE Main Paper 1 examinations of phase 1 concludes NTA shall release the Answer key, response sheets of the candidates at According to the National Testing Agency, the display of question paper attempted by the candidate and Answer keys for inviting challenges on the website of the National Testing Agency in due course. Ahead of the publication of the official JEE Main 2021 Answer key, an analysis of the 25 February paper is hereby shared.

Also read- JEE Main 2021 February 23 Paper Analysis for the second shift

Should read- JEE Main 2021 February 23 Paper 2 BArch BPlanning Paper Analysis

JEE Main 25 February Shift 1 Analysis:

JEE Main 2021 Paper 1 is reportedly held in “Computer Based Test (CBT)” mode. The first shift exam was held from 9:00 a.m. to 12:00 p.m. (IST). According to the students, the level of Physics, Chemistry, and Mathematics questions were 'Moderate'. On Thursday JEE Main paper 1 is held for Bachelor in Engineering (B.E) and Bachelor of Technology (B.Tech). 

Mathematics Questions: As many as 20 questions were asked in Section A (MCQs) followed by 10 Numerical Type questions from section B. Questions were asked from Sets, Relations, Function, Complex Number, Permutation & Combination, Calculus, Differential Equation, Co-ordinate Geometry, Probability, and Trigonometry, etc.

Mathematics (Part A) 25 MCQ questions- Level- Easy

Physics Questions-  As many as 20 questions were asked in Section A in Multiple Choice based Questions followed by 10 Numerical Type questions from section B. In Physics, questions were asked from Kinetics, Measurement, Gravitation, Rotational Motion, Electrostatics, Thermodynamics, Wave motion, Current Electricity, Magnetism, Optics, Magnetism etc.

Physics questions difficulty level- Moderate to Difficult

Chemistry Questions: Questions from the Chemistry sections were asked in difficulty level 'Easy to Moderate'. The paper analysis is as follows-

Video Credit- GradeUp- JEE Main & Advanced

Some of the questions asked in shift 1-

Q- Which of the following doesn't Hydrolysis- SF6

Q- Which of the following is the correct statement about diborane?- 

Q- xyz=24, find number of ordered pairs (x,y,z)

For more Mathematics questions- watch

Video Credit- Neha Agrawal

According to the marking scheme for MCQs, a correct answer or the best Answer would allot four marks (+4) whereas, for each incorrect Answer one mark (-1) will be deducted.

JEE Main Shift 2 Analysis: Computer-based exam for the second shift is scheduled from 3:00 p.m. to 6:00 p.m. (IST). The analysis will be available after the 2nd shift examination is over.

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