BSSC Laboratory Assistant 2025 recruitment has officially opened its online application portal, inviting science-stream aspirants across Bihar to compete for 143 coveted posts. Eligibility like qualification, age, Salary, Exam Pattern and Syllabus details are discussed. Consequently, the Bihar Staff Selection Commission (BSSC) has detailed a transparent selection path that begins with an objective preliminary test and culminates in a category-wise merit list. Moreover, the commission has aligned the syllabus with the 10 + 2 science curriculum, ensuring that well-prepared candidates can seamlessly translate classroom learning into exam success.

Meanwhile, BSSC has simplified the application process by accepting all forms, certificates and fee payments exclusively through its secure website thereby eliminating paperwork delays and safeguarding applicant data. Furthermore, the commission has fixed reasonable fees, introduced live-photo verification and clarified qualifying-mark thresholds, so candidates can now focus less on red tape and more on mastering the exam pattern. Together, these steps underscore the commission’s commitment to timely hiring under the BSSC Laboratory Assistant 2025.
Last Date & Exam Date
Online Registration Start Date | 15th May 2025 |
Online Registration Last Date | 14th June 2025 |
Vacancy Details of BSSC Laboratory Assistant 2025
Recruitment Authority | Bihar Staff Selection Commission (BSSC) |
Job position | Laboratory Assistant |
Openings | 143 |
Official website for recruitment | bssc.bihar.gov.in. |
Category-wise Vacancies
Category | Total Vacancies | Women |
Unreserved (General) | 56 | 20 |
EWS | 22 | 8 |
SC | 1 | 0 |
EBC | 27 | 6 |
BC | 18 | 6 |
ST | 14 | 5 |
BC (Female) | 5 | – |
Eligibility for BSSC Laboratory Assistant 2025
Age
Minimum Age | 18 Years |
Maximum Age (Men) | 37 Years |
Upper Age | |
Women | 40 Years |
BC/EBC | 40 Years |
SC/ST | 42 Years |
PWD | +10 years (Relaxed) |
Education Qualification
Candidates must have passed the Intermediate (10+2) with Science from a recognized board or university. |
Salary
Pay Matrix Level 4 which ranges from ₹37,000 to ₹40,000 per month |
Selection Process
If BSSC receives more than 40 times the total number of applications per vacancy, it will conduct a preliminary examination. Otherwise, candidates will be directly invited for the main examination. |
Only five times the number of vacancies will be shortlisted for the main exam based on performance in the preliminary exam. |
Exam Pattern
Exam Type | Objective (multiple-choice) |
Language | Bilingual in Hindi and English. |
Total Questions | 150 |
Each question carries | 4 marks |
Each question carries | 1 Mark |
Duration | 2 hours 15 minutes |
Mode of Exam | Offline (OMR Sheet Based) |
Subject | Questions |
(A) General Studies | 35 |
(B) Science | 75 |
(C) Quantitative Aptitude/Reasoning | 40 |
Total | 150 |
BSSC Laboratory Assistant 2025 Syllabus
(A) General Studies | National and international current affairs |
History, culture, geography, economics, Indian Constitution, and scientific aspects | |
(B) Science | Physics, Chemistry, Biology (Class 10+2 level) |
Practical applications, scientific reasoning, and lab-related knowledge relevant to a lab assistant’s role | |
(C) Quantitative Aptitude / Mental Ability Test | Number system |
Fractions and decimals | |
Ratio and proportion | |
Percentage | |
Average | |
Profit and loss | |
Simple and compound interest | |
Time and distance | |
Time and work | |
Algebra | |
Geometry | |
Statistics | |
Probability | |
Basic numeracy | |
Graphical interpretation | |
Simplification | |
Basic arithmetic operations | |
Analogies | |
Similarities and differences | |
Spatial visualization | |
Spatial orientation | |
Problem-solving | |
Decision making | |
Visual memory | |
Discrimination | |
Observation | |
Relationship concepts | |
Arithmetical reasoning | |
Verbal and non-verbal reasoning | |
Coding and decoding | |
Arithmetic number series | |
Venn diagrams | |
Syllogisms | |
Statement and conclusion | |
Blood relations | |
Direction sense |
BSSC Laboratory Assistant 2025 Apply Online
Exam Fee
Category | Examination Fee |
General / BC / EBC (Residents of Bihar and all outside candidates) | ₹540/- |
SC / ST (Residents of Bihar) | ₹135/- |
Female Candidates (Bihar Domicile Only) | ₹135/- |
All Physically Disabled Candidates | ₹135/- |
Documents Required to Attest
1. Matriculation certificate |
2. Intermediate (10+2) Science mark sheet and certificate |
3. Caste certificate if applicable. |
4. Residential certificate if applicable |
5. Creamy Layer certificate if applicable |
6. Income certificate if applicable |
7. Disability certificate if applicable. |
8. Government-issued certificates for ex-servicemen, employees of the government of Bihar |
9. Marriage Certificate as name change proof if applicable. |
How to Apply
1. Candidates must apply online only via the official BSSC website bssc.bihar.gov.in or click the link of Online Application Form given below. |
2. Fill out the application form completely and accurately. |
3. Name of the candidate, father/mother’s name, and other personal details must match exactly with the records in the matriculation certificate |
4. Candidates must upload a clear, recent passport-size photograph taken using Live Photo Webcam. |
5. They must also upload their signature as per the specified format. |
6. Candidates must ensure that the uploaded documents are clearly visible and valid. |
7. Candidates should retain a copy of the submitted application form and payment receipt for future reference. |
Important links of BSSC Laboratory Assistant 2025
FAQs for BSSC Laboratory Assistant 2025
Submit your form by 16 June 2025.
BSSC offers 143 posts.
pass Intermediate (10 + 2) Science.
Yes, BSSC deducts one mark per wrong answer; thus, guess wisely.
The prelim has 150 MCQs; meanwhile, each carries four marks.
BSSC will release it on its website; thus, monitor the login dashboard.