1. "Bring about" means-
A. To cause something to happenB. To bring something downC. To forget somethingD. To explain something
2. Which of the following is different from the other three?
A. -Centauri αB. Proxima-CentauriC. SunD. Milky way α
3. In which two steps of Carnot cycle does the change in internal energy be zero?
A. 1st and 2nd stepB. 1st and 3rd stepC. 2nd and 4th stepD. 3rd and 4th step
4. If gets into the eye, which compound is used for primary treatment in the laboratory? Ca(OH)2
A. 5% NaHCO3B. 5% NaOHC. 5% CH3COOHD. H3BO3
5. Who among the following served as the Commander of Sector-9?
A. C. R. DuttaB. M. A. JalilC. Abu Osman ChowdhuryD. Kazi Nuruzzaman
6. If the hour hand of a clock moves from 2 p.m. counterclockwise and reaches 9 a.m., then through how many degrees does the hour hand rotate?
A. 210∘B. 57∘C. 150∘D. 510∘ Back