The establishment of various organizations.
World Tourism Organization (UNWTO) --- : 1925
, Biodiversity Conservation Association (IUCN) ----1948
: International Maritime Organization (IMO) --- 1948
: World Association of --- 1951
,The Environmental Organization (Greenpeace) --- 1971
: UN Environment Programme (UNEP) ---1972
water aid--- s1981

01. How many rivers are flowing in Bangladesh?
® s .310 (length 24140 km)

02. How many inter-border or unique rivers flowing in Bangladesh?
®__৫৭টি(বাংলাপিডিয়া ৫৮টি)
(Flowing between Bangladesh and India)

03.How many inter-border rivers flow between Bangladesh and India?
®__৫৪টি

04. How many inter-border rivers flow between Bangladesh and Myanmar?
® s 3 (Naf, Sangu, Matamuhuri)

05. What is the name of the river flowing through Bhutan-India-Bangladesh?
®__দুধকুমার

06. What is the name of the river that flows through China-India-Bangladesh?
®

07. What is the name of the river flowing through Nepal-India-Bangladesh?
® .

08|What is the name of the longest and deepest river in Bangladesh?
®__মেঘনা(দৈর্ঘ্য ৩৩০কি.মি,প্রস্থ ১৩০০০ মিটার,গভীরতা ২৭মিটার)

09. What is the name of the smallest river in Bangladesh?
®__গোবরা(দৈর্ঘ্য ৪ কি.মি)

10.When was the Bangladesh-India River Commission formed?
® . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11. When was the National River Protection Commission formed?
® : 3 August 2014 (Dhaka Dhaka)

12.Which medal is awarded for the contribution of river protection?
® . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13.Which is the top country in global refugee acceptance?
® .

14. ..which country has the triangular border connected?
®__চীন,ভারত,ভুটানকে

15. How many rohingyarefugees came to Bangladesh from Myanmar in the first year?
® . . . . . . . . . . . . . . . . . . . . . . .

16|Which country is the top in population density?
® s/he
(Bangladesh density 1103 squares)

17. When is National Voter and Pat Day?
® ssssssssssssssssssss

18. Where is epZ the only agricultural lysin in the country?
®__উত্তরা,নীলফামারী

19| Where is the first submarine base in the country?
® .
®__নোট রমজান

20. Where is the first ecopark in Bangladesh?
® sitakund, Chittagong

21. How many years did The Bangladesh Sheikh Mujibur Rahman get admitted to Dhaka University?
® . . . in 1947.

22. What agreement is written on the basis of six?
® . . . . . . . . . . . . . . . . . . . .

23. What is the name of the biggest irrigation project in Bangladesh?
® s/he project

24. Where is the tea board in Bangladesh?
® .

25. Where is the country's first pharmaceutical industry park?
® . . . . . . . . . . . . . . . . . . . . . . . . . .

26. Which is the smallest district in Bangladesh?
®__নারায়ণগঞ্জ(৬৮৪.৩৭ বর্গকি.মি)

27. The Nazi movement first started in which city in Germany?
®___মিউনিক

28. Who first identified the water pollution problem?
® s

29. When does OPCW win the Nobel Peace Prize?
® .

30. Who is transparency international?
® .

31. Where is the largest Eidgah in the country since 2017?
® .

32. When is Bapax formed?
® . . . . . . . . . . . . . . . . . . . . . . .
(Discovered Gasfield 6)

33. Which country is the first zebra crossing?
® .

34. Where is the declaration of independence in Bangladesh?
® . . . . . . . . . . . . . .

35. What is the proposed length of Dhaka Metrorail?
® s.20 km