The Rajasthan Staff Selection Board (RSSB) has officially published the provisional answer key for the Lab Assistant (प्रयोगशाला सहायक) and Junior Lab Assistant recruitment examination 2026. Aspirants who took the test for Science and Geography subjects can now verify their answers, assess their performance, and raise objections if they find discrepancies. For more insights into previous trends, candidates can refer to RSSB Lab Assistant Previous Year Papers - Click to Check.
Lab Assistant Answer Key 2026 – Overview
Conducted under advertisement number 05/2026, the offline written test saw a massive turnout. Below is a complete overview of the examination details:
| Exam Conducting Body | Rajasthan Staff Selection Board (RSSB) |
| Post Name | Lab Assistant (प्रयोगशाला सहायक) |
| Mode of Exam | Offline |
| Advt No. | 05/2026 |
| Vacancies | 804 |
| Mode of Answer | Online (PDF Format) |
| Answer Key Date | 15th June 2026 |
| Raise Objection Dates | 16th to 18th June 2026 |
| Exam Date | 9th and 10th May 2026 |
| Result Date | June/July 2026 (Result) |
| Total Candidates Applied | 934735 |
| Candidates Appeared | 7 lakh |
| Negative Marking | 1/3 mark |
| Selection Process | Written Exam- Document Verification |
| Official website | https://rssb.rajasthan.gov.in/ |
LAB Assistant Answer Key 2026 PDF Download Links
Candidates can access the individual subject-wise answer keys through the following files:
| Subject/ Exam Code | Answer Key PDF |
|---|---|
| Science/ ZX4D | Click to Download |
| Science/ PA22 | Click to Download |
| Geography/ 6Y89 | Click to Download |
Steps to Download Lab Assistant 2026 Answer Key
- Web browser and go to the official website of the Rajasthan Staff Selection Board (RSSB) at www.rssb.rajasthan.gov.in.
- Go to the “Answer Key” section on the homepage of RSSB.
- Candidates are redirected to a new page.
- Tab on the link that reads “Get Answer Key” in front of “ Lab Assistant 2026″.
- The answer key appears on the system screen.
- Cross-check your response to the question asked in the exam with the help of the official answer key.
- Download the RSSB Lab Assistant Answer Key 2026 and save it for future reference.
How to Calculate Marks Using Lab Assistant Answer Key
- Assign marks for each correct answer (Science Subject: 2 marks / Geography Subject: 1 mark).
- Deduct 1/3rd of a mark for each incorrect answer due to negative marking.
- Add the marks for all correct answers and subtract marks for each incorrect answer to get your estimated score.
Additionally, for guidelines regarding the exam structure, you can view the RSSB Lab Assistant Syllabus and Exam Pattern 2026 - Click to Check.
What to Do Next
After reviewing the answer keys, candidates who identified discrepancies should submit their objections online between June 16th and June 18th, 2026 (until 11:59 PM) via https://sso.rajasthan.gov.in/. Once objections are reviewed, applicants can track their final scores and evaluation updates through the RSSB Lab Assistant Result 2026 – Click to Check. Successful candidates clearing the cutoff criteria (SC/ST: 35%, Others: 40%) will proceed to the Document Verification stage.
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Negative Marking & Net Score Calculator
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