জৈব পদার্থ হলো সেই জৈব পদার্থ যা শক্তিতে রূপান্তরিত হয়। জৈব পদার্থের মূল উপাদান কী কী?

BUET BSCIC Promotion Officer PSC ACC Assistant Director - 2013 BCS 50th BCS Preli - 2026 BSCIC Promotion Officer - 2026 সাধারণ বিজ্ঞান জৈব যৌগ (Organic Compounds)

BUET BSCIC Technical Officer BCS 11th BCS Preli - 1991 BJS 6th BJS Preli - 2011 DPE Primary Head Teacher - 2009 5th BJS Preli - 2010 PSC ECS District Election Officer/Assistant Secretary - 2004 38th BCS Preli - 2017 DPHE SAE (Civil) - 2015 Primary Teacher Primary Assistant Teacher - 2011 MoFA Assistant Cipher Officer - 2017 DOL Assistant Director - 2005 BTV Audience Research Officer - 2006 ATEO ATEO - 2012 BD Post Estimator - 2018 BR SAE (Bridge) - 2018 43rd BCS Preli - 2021 Biman – Ground Service Assistant - 2022 RHD Work Assistant - 2022 BRDB URDO - 2022 Primary Assistant Teacher - 2007 TGTDCL – Technician/Sales Assistant - 2023 CPGCBL – Sub-Assistant Engineer - 2023 NESCO PLC – Sub-Station Attendant - 2024 BPSC – MoFA – Superintendent - 2024 WEWB – AD - 2024 BARD – AD - 2022 ECS – OA Cum Computer Operator - 2025 MoF – Office Support Staff - 2025 BSCIC Technical Officer - 2026 সাধারণ বিজ্ঞান জৈব যৌগ (Organic Compounds)

PSC BPSC Fisheries Survey Officer DXP Assistant Inspector of Explosives - 2003 BPSC Fisheries Survey Officer - 2026 সাধারণ বিজ্ঞান জৈব যৌগ (Organic Compounds)

PSC BIDA Assistant Director MoPA Personal Officer - 2016 DSS Probation Officer - 2013 ATEO ATEO - 2025 BIDA Assistant Director - 2025 সাধারণ বিজ্ঞান জৈব যৌগ (Organic Compounds)

PSC GDA Building Inspector Primary Teacher Primary Assistant Teacher - 2022 SGCL – Senior Technician - 2023 PDBF – Field Officer - 2025 PWD Office Assistant - 2025 GDA Building Inspector - 2025 সাধারণ বিজ্ঞান জৈব যৌগ (Organic Compounds)

PSC DoF – SAE সাধারণ বিজ্ঞান জৈব যৌগ (Organic Compounds)