JENPAS UG Unofficial Answer Key 2025 Paper 1 (Out): Set-wise Questions with Answers, PDF Download Links

The JENPAS UG Answer Key 2025 Paper 1 Unofficial is now available. The JENPAS UG Paper 1 2025 exam was scheduled from 11 AM to 12:30 PM on October 18. The overall exam difficulty of the Paper 1 was moderate. The official answer key for this paper will be released by the WBJEEB a few days after the exam has been conducted. In the meantime, students can find the JENPAS UG Paper 1 Unofficial Answer Key 2025 in this article.

The unofficial JENPAS UG 2025 answer key can be used to calculate the expected score in the entrance exam. The answer key will have the questions and answers based on the students’ memory recall for all subjects except for BHA. The WBJEEB will release the official answer key in two stages: provisional and final. The provisional answer key can be challenged for discrepancies, whereas the revised answer key will be considered final.

Also Read: JENPAS UG Question Paper Analysis 2025 Paper 1

JENPAS UG Paper 1 Unofficial Answer Key 2025

The JENPAS UG Paper 1 unofficial answer key is curated based on the responses of the students who have appeared for the exam. These answers are recorded from the memory-based recall questions and may differ from the official answer key. The unofficial answer key mainly features the answers submitted by the students during the JENPAS UG Paper 1 2025 exam. Therefore, by referring to the unofficial answer key, students will get an idea of their exam performance and expected score. The unofficial answer key will be out soon after the exam concludes. The subject-wise JENPAS UG Paper 1 unofficial answer key has been provided below:

JENPAS UG Paper 1 2025 Logical Reasoning Unofficial Answer Key

The  unofficial answer key for the Logical Reasoning section of the JENPAS UG 2025 Paper 1 has been provided below for your reference:

JENPAS UG Paper 1 2025 Chemistry Unofficial Answer Key

The  unofficial answer key for the Chemistry section of the JENPAS UG 2025 Paper 1 has been provided below for your reference:

Sl. no.	Questions	Answers
1.	What is the IUPAC name of the following compound?	4-bromo-3-methylpent--2-ene
2.	Which of the following alkyl halides are least reactive towards nucleophilic substitution?	C2=CHI
3.	Which one of the following carbanions is most stable?	(D)
4.	Which of the following sets of quantum numbers is not allowed?	(B)
5.	How many lone pair electrons are present on the central atom of XeF4?	2
6.	Which of the following complexes would exhibit paramagnetism?	(B)
7.	The pH of blood does not appreciably change by a small addition of an acid or base because	Blood contains serum protein which acts as a buffer
8.	Select the correct statement out these options	(B)

JENPAS UG Paper 1 Physics Unofficial Answer Key

The  unofficial answer key for the Physics section of the JENPAS UG 2025 Paper 1 has been provided below for your reference:

Questions	Answers
To be updated	To be updated

JENPAS UG Paper 1 Biology Unofficial Answer Key

The  unofficial answer key for the Biology section of the JENPAS UG 2025 Paper 1 has been provided below for your reference:

Sl. no.	Questions	Answers
1.	What is the function of the insulin hormone?	To maintain the blood glucose level
2.	The final electron acceptor in the electron transport chain during aerobic respiration is?	O2
3.	Which of the following is an example of an inherited non-infectious disease?	Cystic Fibrosis
4.	How many times does a cell have to divide mitotically to produce 128 daughter cells?	7
5.	Which of the following makes a nucleotide?	Nitrogenous base, Sugar and Phosphate
6.	What is the ploidy level of endosperm?	Triploid
7.	Which of the following is the aerobic nitrogen-fixing bacteria?	Azotobactor
8.	Name the phase of the cell cycle where DNA is replicated?	S Phase
9.	Karyotype of an individual with Turner's Syndrome is?	45, X
10.	Who is honoured as the father of the Indian Green Revolution?	M.S. Swaminatham
11.	Maltose is a?	Disaccharide
12.	Which hormone deficiency issues cause diabetes?	Vasoprosin
13.	An endemic species is?	Found only in a particular region
14.	Which is the smallest bone in human body?	Stepes
15.	The a-helix and b-plated are examples of which level of protein structure?	Secondary Structure
16.	What is the primary product of the light reaction of photosynthesis that is used in Calvin cycle?	NADH
17.	Which of the following is not an essential feature of a cloning vector?	High molecular weight
18.	Identify the erroneous part of the sentence	Was aware of
19.	Identify the erroneous part of the sentence	Is very strict and
20.	Choose the correct option that can replace: A person who walks in sleep	Somnambulist

JENPAS UG Paper 1 English Unofficial Answer Key

The  unofficial answer key for the English section of the JENPAS UG 2025 Paper 1 has been provided below for your reference:

Sl. no.	Questions	Answers
1.	Select the sentence which is grammatically incorrect	He is anxious for his brother's health
2.	Identify the erroneous part among these	Was aware of
3.	Choose the most appropriate option: I really wish you ___ so much; it really makes the rest of the team uncomfortable	wouldn't complain
4.	Choose the most appropriate option: As the CEO announced her resignation, the board was quick to ___ a new candidate.	look into
5.	Choose the most appropriate option: The scientist looked ___ a microscope	through
6.	Choose the most appropriate option: Since the evidence was ___, the jury had no choice but to deliver a ___ verdict	conclusive, unanimous
7.
8.	Replace the word in bold with the best-suited option provided below: He is known for his down-to-earth attitude despite his fame and wealth	practical and sensible
9.	Change it to indirect speech: "Did you complete the assignment?" The teacher asked me.	The teacher asked me if I had completed my assignment
10.	Select the word to be removed from this sentence: She insisted on that we should wait for the final approval before proceeding.	on
11.	Select the grammatically wrong sentence	I prefer coffee to tea
12.	Change the sentence from active to passive: Someone has stolen my bicycle	My bicycle has been stolen

Also Read: JENPAS UG Expected Marks vs Rank 2025

JENPAS UG Paper 1 Official Answer Key 2025 PDF Download

The downloading link for the JENPAS UG Paper 1 Official Answer Key 2025 PDF has been provided below:

Objections Against JENPAS UG Paper 1 Official Answer Key 2025

The detailed process of raising objections against the JENPAS UG Paper 1 2025 answer key has been mentioned here:

1. You have to visit the official WBJEEB website and search for the latest answer key notification.

2. Once you click on the notification link, you will have to log in to the admission portal by entering your registration credentials.

3. Now, click on the ‘JENPAS UG Paper 1 Answer Key 2025 Challenge’ direct link and wait for the new window to open on your screen.

4. Next, you have to enter the correct answers as per your knowledge to the questions that you want to raise objections against.

5. It is important to keep in mind that the question number, your response and the sequence of the question paper should match the official question paper. In case of a failure, your objection will be immediately rejected by the concerned authority.

6. You also have to attach documents supporting your objection to validate your response.

7. Finally, submit everything and pay the challenging fee, which is INR 500, to confirm your response.

Final JENPAS UG Paper 1 Official Answer Key 2025

The final JENPAS UG Paper 1 official answer key 2025 will be out soon after the objection window closes. Students who raised objections against the provisional answer key will be able to check the status of their queries till the time the official answer key is released. In case the objections raised against any discrepancies in the provisional answer key is deemed justified, the final answer key will be released with the corrections.

Students can raise their doubts on the official website by participating in the answer key challenge process. They will have to submit the correct option within the specified time and pay a nominal fee to have their answers published on the final answer key. However, if the objections raised by the students are found to be incorrect, the provisional answer key will be considered the final answer key. Regardless, the fee to challenge the answer key will not be refunded.

JENPAS UG Paper 1 2025 Qualifying Marks

The qualifying marks for JENPAS UG Paper 1 2025 have not been released yet. The total marks of the Paper 1 exam are 115. Students can find the expected category-wise cutoff for Paper 1 mentioned below:

In a gist, the JENPAS UG Paper 1 Unofficial Answer Key 2025 is now out after the exam concluded on October 18. All the questions asked in the exam are listed here based on the student’s memory recall. The answers to these questions are also updated here as recorded by the students. The provisional answer key will be officially released a few days after the exam, and students will be able to raise objections against the same. The final answer key will be published by the WBJEEB based on the nature of the objections.