The main cause of air pollution is __________?

Related Mcqs:

1. The main cause of floods in the river is__________?

   A. Heavy snowfall B. Earthquakes C. Deforestation D. Construction of dams Submitted by: Muhammad Tahir...

2. Ultra Microscopic viruses are the main cause of__________?

   A. Malaria B. Measles C. Mumps D. Cholera Submitted by: Fareed Ahmed Kunbhar...

3. Main constituent in air is ___________?

   A. Oxygen B. Nitrogen C. Hydrogen D. Helium Submitted by: Mirza Musawer Jamil...

4. Quantity of fresh air required for a man is 1000 cubic feet of air for every____________?

   A. 5 minutes B. 10 minutes C. 15 minutes D. 20 minutes Submitted by: WIQAR AHMAD...

5. During which process of energy exchange does cold air displace warmer air?

   A. Convection  B.  Radiation C.  Conduction D.  None of these Submitted by: Rida...

6. Brass gets discoloured in air because of the presence of which of the following gases in air ________ ?

   A. Carbon dioxide B. Oxygen C. Nitrogen D. Hydrogen sulphide Submitted by: Rashid Mehmood...

7. If the level of atmospheric pollution increases:

   A. The length of the day will increases B. The length of the day will decreases C. The length of the day will remain same D. None of these Submitted by: Fahad Mehsud...

8. Deficiency of vitamin C will cause:__________?

   A. Beri-Beri B. Architis C. Scurvy D. Night-blindness Submitted by: Nimra Shah...

9. The process by which air flows from one location in the atmosphere to another is called __________?

   A. Convection  B. Radiation C. Conduction D. Electromagnetic Induction Submitted by: Rida...

10. Places where the temperature of air is below freezing point of the water, the precipitation will be in the form of __________ ?

    A. Snow B. Lightning C. Hailstorms D. Thunders Submitted by: Rashid Mehmood...