1. The roads of Dhaka are wider _____ (Fill in the gap).
A. then JamalpurB. than JamalpurC. than those of JamalpurD. than those at Jamalpur
2. What was Operation Kiloflight?
A. A daring rail operation of the Liberation WarB. A daring guerrilla operation of the Liberation WarC. A daring naval operation of the Liberation WarD. A daring air operation of the Liberation War
3. Order of decreasing ionic property of sodium halides-
A. NaF > NaCl > NaBr > NaIB. NaI > NaBr > NaCl > NaFC. NaCl > NaF > NaBr > NaID. NaI > NaCl > NaBr > NaF F − > Cl− > Br− > I −
4. Which is correct regarding plant? C4
A. fixing enzyme is Rubisco CO2B. Primary acceptor is RuBP CO2C. cycle cccurs only in mesophyll tissue C4D. Kranz anatomy is present C4 CO2 CO2 C4
5. Which one is not correct?
A. He gas is the most difficult be liquifiedB. The lower the Boyle temperature, the more easily a gas liquefiesC. Below the critical temperature, a gas liquefies upon applying pressureD. Below the inversion temperature, the gas undergoes adiabatic expansion and becomes cold
6. Which of the following is correct?
A. Platelets produce which causes constriction of blood vessels H2SB. Agranular leukocytes produce histamineC. Lymphocytes produce antibodiesD. Heparin secreted from platelets causes constriction of blood vessels