বায়ুমন্ডলে কোন গ্যাসের পরিমাণ সবচেয়ে বেশি ?
ওজন স্তরের ক্ষতির জন্য কোনটি বেশি দায়ী ?
কোন অঞ্চলে সারা বছর দিন রাত সমান ?
When was the "Permanent Settlement" declared?
Which according to WHO is the acceptance level of arsenic?
When did hte U.S.A recognize Bangladesh as an independent state?
Which TV Program of Bangladesh received the EMMY award?
From which date Fiscal Year starts in Bangladesh?
What is the major component of natural gas?
Mogla prt stand on the river------.
Which is the only coral island of Bangladesh?
When did the French Revolution occur?
In 'Dengue Fever', which blood cell decreases abnormally?
Which planet is nearest to the sun?
Which one is the oldest civilization?
Which of the following country is not the member 'Group Seven' (G-7)?
VSAT means:
Which organization of the World bank is known as the soft load window?
Which Asian country is included in OPEC?
A modern philosopher who was awarded Nobel Prize for literature-----.