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CPCB Scientist B Syllabus 2025: The Central Pollution Control Board (CPCB) conducts the CPCB Scientist B Exam to select candidates for the position of Scientist under various branches. Candidates intending to appear for the CPCB Scientist B Exam must thoroughly review the complete syllabus before starting their preparation. The syllabus will help them to kick start the preparation by giving a direction to it. CPCB still needs to release the CPCB Scientist B official syllabus for 2025, but it is expected to be in accordance with last year's syllabus.
CPCB Syllabus 2025 for Scientist B Subject Wise
The CPCB Scientist B syllabus outlines the key topics and subjects that candidates must study to excel in the exam. It is designed to assess both technical knowledge and general aptitude relevant to the Scientist B post.
| Branches | Syllabus |
| Electronics & Communications | Conductors, Semiconductors, Passive components, Diodes, BJT, FET, MOSFET, Transistor configurations, Feedback, Amplifiers, Network theorems, Resonance circuits, Logic gates, Modulation types (AM/FM/SSB/PM), Sampling theorem, Multiplexing Digital communication basics, Fiber optics, Satellite communications |
| Electronics and Instrumentation | Diodes, BJT, MOSFET, Amplifier circuits, Logic Circuits, Operational amplifiers, Flip-flops, Converters (ADC/DAC), Measurement errors, PMMC/MI instruments, Bridges, Oscilloscopes, Transducers (temperature, pressure, flow, etc.), Signal conditioning |
| Computer Science/IT | History and classification of computers, Memory types, Operating Systems (scheduling, paging, segmentation), File systems, Assemblers, I/O systems, Security and encryption, Programming (C, C++, Java), DBMS, SQL, Networking, Internet technology, GIS fundamentals |
| Electrical | Energy efficiency, Circuit laws, Transformers, Machines (DC, AC, Synchronous), Measurements (voltage, current, power), Sub-station maintenance, Magnetic materials, Band theory, Power factor, Capacitors, Superconductivity |
| Chemical Engineering | Environmental Chemistry, STPs, Air Pollution, Waste management (solid, hazardous, biomedical, e-waste), Industrial wastewater treatment, Landfill design, Sampling, Pollution control in industries, Sensors, CEMS, Spectroscopy techniques, Emission monitoring |
| Civil Engineering | Environmental engineering, Water & air quality, Noise pollution, Hydraulic measurements, Industrial process control, Solid waste management, Sewerage and water supply |
| Chemistry | Analytical Chemistry, Environmental Chemistry, Bio-monitoring, Waste contamination, Sampling, International, environmental laws, and treaties. |
| Microbiology | Diversity of Microbes, Immunology, Enzymes, Environmental Microbiology Molecular Biology, Recombinant DNA technology, Pathogenicity, industrial microbiology, Bioinformatics. Bio-indicators |
CPCB Scientist B Exam Pattern 2025
CPCB exam pattern helps in analyzing the type and number of questions that can be expected in the upcoming exam. As per notification, the question paper will consist of two sections, a general section, and a subject-specific section. The general section will contain questions about English, Aptitude, and Awareness. Although the CPCB has not specified the CPCB Scientist B 2025 syllabus and exam pattern, it is expected to be in line with the CPCB Scientist B 2024 exam pattern only. Below we have mentioned the expected CPCB exam pattern.
| Section | Total No. of Questions | Total Marks | Time Duration |
| General Aptitude | 40 | 40 | 2 hours |
| Subject-specific questions | 60 | 60 | |
| Total | 100 | 100 |
Preparation Tips for CPCB Scientist B Exam 2025
Candidates intending to appear for CPCB Scientist B Exam must not wait for the official notification to kick start their preparation. Instead, they must utilize this time to build and brush up on their fundamentals to get an edge over other applicants. CPCB Scientist B Exam is one of the most coveted exams for people thrilled about research and technology advancements. The CPCB Scientist B exam has a vast syllabus hence candidates need to cover the entire syllabus on time so that enough time is left for efficient revision. We have shared a few essential tips that will help you ace your CPCB Scientist B Exam:
Start Your Preparation Early!
If you are enrolled in any CPCB coaching, well and good but if not, then you need to start early. As you would be on your own in the entire preparation journey, starting early will not only give you an edge over other aspirants but will also help you understand and complete the whole syllabus early and revise better.
Know Your Syllabus Well!
As discussed earlier, aspirants appearing for the CPCB Exam must be thorough with the entire syllabus of the exam. As the CPCB exam has not released the official syllabus so they can refer to the last year’s syllabus. Take adequate time to understand the syllabus and try to analyze the requirements of the exam.
Keep Your Resources Limited!
With hundreds and thousands of resources available on the Internet. It becomes very difficult to pick the correct set of books that could ensure a robust preparation of the complete CPCB Scientist B syllabus. Therefore keep your resources limited, make notes and revise them regularly and follow the “Minimum resources and Maximum Revision” technique.
Practice Using CPCB Scientist B PYPs!
Previous year papers of CPCB Scientist B are the most reliable resources for exam preparation. You must refer to them as they will help you prepare for the questions that have already been asked in the exam. Moreover, practising the previous year's questions helps you in understanding the examiner's temperament and also makes you aware of the loopholes in your preparation.
Revise Extensively!
Regular and structured revision is the most important part of exam preparation. Try to complete your syllabus on time so that you have adequate time for revision. Preparation without revision is futile, so regularly revise for better retention. Candidates can make a separate revision notebook containing essential terms, definitions, revision notes, mnemonics, and other quick notes to revise all volatile topics from a single source before the exam.
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