Chlorofluorocarbons (Cfcs) and Ozone MCQ (Multiple Choice Questions) PDF - 10

MCQ 46: The amount of ozone in the stratosphere is determined by;

1. Forming and destroying of ozone
2. Chemical Reaction
3. Photo chemical reaction
4. Acid formation

MCQ 47: In some parts of Bangladesh salt water; extends, about

1. 250km
2. 350km
3. 150 km
4. 50 km

MCQ 48: Bioconversion' is; nonpolluting, environmentally feasible and

1. Un reliable process
2. Cost Effective Process
3. Un environmental Friendly
4. Environmaental friendly

MCQ 49: CIS' stands for;

1. Climate change of Independent States
2. Commonwealth of Influenctial System
3. Commonwealth of Independent States
4. Conversation of Independent States

MCQ 50: Indirect use of energy; only possible, in

1. Buildings
2. Industries
3. Space
4. Earth Surface