৪৬তম বিসিএস রিয়েল ভাইভা অভিজ্ঞতা - ৯

ভাইভা অভিজ্ঞতা #৯ Board: #Sabbir_Ahmed_Chowdhury_Sir_Ex_Foreign Serial- 2nd Dept- Soil, Water and Environment Chairman sir 1. What is pH? pH3 &pH 9? Difference? pH neutral? 2. what is green house ? How it works? 3. What is photosynthesis? How it works? 4. When bangladesh is graduating LDC? What are the challenges and opportunities? 5. What is GSP plus? External 1 1. What is Environment? 2. Environmental pollutio…