JEE Main 27 Jul 2021 Question Paper with Answer Key (Available) – Download Here

JEE Main 27 Jul 2021 Question Paper with Answer Key – NTA has released the official JEE Main 2021 answer key at jeemain.nta.nic.in. As per the official answer key, JEE Main 2021 result will be compiled. Check JEE Main 27 July 2021 questions and answers for Shift 1 and Shift 2 from this page. The answer key given here is memory-based. It is prepared by various coaching centres and subject experts as per the student’s analysis. The candidates can calculate the scores using the answer key. Know more about JEE Main 27 Jul 2021 question paper with answer key from this page.

JEE Main 27 Jul 2021 Question Paper with Answer Key

Direct Link To Check: Click here to check the JEE Main 27 Jul 2021 Question Paper with Answer Key.

JEE Main 27 July 2021 Shift 1 Memory-Based Questions and Answers

Ques. Difference between bond order of Co and NO+ is x/2. Find x.
Ans. x=0

Ques. S1: Generally halides of Li are covalent. S2: Lithium has higher polarisability.
Ans. Both the statements are correct

Ques. Staggered and eclipsed form of ethane are:
Ans. Rotamer

Ques. A cylinderical mass less container of cross-sectional area ‘A’ have a fluid filled upto height ‘h’ and have a small orifice of area ‘a’ in wall near its bottom. Find minimum coefficient between container and ground, so that container does not move.
Ans. 2a / A

Ques. KE of a gas is 2 x 109 at 2 atm pressure and 300 K temperature. Find the number of molecules.
Ans. 3/2 x 1011

Ques. Which of the following has magnetic properties?
Ans.  Mn₃O₄

Ques. The test used to differentiate Monosaccharides and disaccharide is
Ans. Barfoed test

Ques. For the data 6, 10, 7, 13, a, 12, b, 12. If mean is 9 and variance is 37/4. Find (a-b)².
Ans. 16

Ques. A circle with centre (2,3) passing through origin. P, Q are two points on the circle such that OC perpendicular to both CP and CQ. Find both P and Q points.
Ans. (-1,5), (5,1)

Appeared for JEE Main on 27 July 2021? Then you can help us curate the memory-based questions and answers by submitting the questions asked in the exam. Just click on the button below to submit your questions and / or answers.

How to Calculate Scores Using JEE Main 27 Jul 2021 Question Paper with Answer Key?

With the help of JEE Main 2021 answer key, the candidates can get an idea about their probable scores. In order to calculate the scores, follow the steps given below.

1st step: Check the link of the answer key given above and download it.

2nd step: Now, open the question paper of your particular shift and start cross-checking the answers.

3rd step: Next, write down the number of correct and incorrect answers.

4th step: Use the marking scheme given below to calculate the scores.

  • Add 04 marks for each correct answer
  • Deduct 01 marks for each incorrect MCQ
  • There is no negative marking for Numerical answer type questions

JEE Main 2021 Official Answer Key

NTA releases JEE Main 2021 answer key at the candidate’s login. The candidates can download the answer key by following the steps given below.

1st step: Visit the official website, which is, jeemain.nta.nic.in.

2nd step: Next, click on the relevant answer key button.

3rd step: Now, enter the application number and password / date of birth in the login window.

4th step: Next, click on the ‘sign in’ button.

5th step: A pdf will open. Download this pdf and save the answer key for future reference.

FAQs on JEE Main 27 July 2021 Answer Key

Ques. Where can I get the unofficial JEE Main 27 July 2021 answer key?

Ans. You can get the unofficial answer key from the direct links given above on this page.

Ques. Can I challenge the unofficial answer key of JEE Main 2021?

Ans. No, you cannot challenge the unofficial answer key of JEE Main 2021.

Ques. What is the official website to download the answer key?

Ans. You can download the answer key from jeemain.nta.nic.in.

Ques. Is there any negative marking in JEE Main 2021?

Ans. Yes, 01 marks are deducted for each incorrect MCQ.

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