Pollution of Air and Water

Which of the following is NOT a greenhouse gas

• Carbon Dioxide

• Carbon Monoxide

• Nitrogen

• Methane

Select two natural causes of air pollution

• Volcanic Eruptions

• Algal Blooms

• Factory Emissions

• Sandstorms

Which of the following is an objective of the Ganga Action Plan?

• Separate contaminated from uncontaminated water

• Production of hydrogen for energy generation

• Monitor the throwing of unburnt and half-burnt bodies into the river

• Support of bathing and washing in the river

Which of the following is NOT a disease caused by the effects of water pollution?

• Typhoid

• Cholera

• Emphysema

• Dysentery

Name the two types of suspended particulate matter.

Which of the following is included in domestic sewage?

• Food Waste

• Fertilizers

• Soaps

• Plastic Wrappers

Which of the following is a reason a surgical mask is not effective in reducing the intake of particulate matter?

• There is no reason: the particles are too big to fit in the holes

• The gaps in the mesh is not fine enough to prevent the small particles from entering in

• The mask is made of the wrong material to prevent the particles from coming in

• The method of the wearing the mask allows the particles to enter in

Which of the following is NOT a method to reduce air pollution?

• Using alternative sources of energy such as coal and natural gas

• Building factories away from the cities

• Using unleaded petrol in vehicles

• Afforestation

Which of the following is a harmful effect of eutrophication?

• Increase in oxygen quantity in the water

• Increase in nutrient content

• Blocking of sunlight

• None of the above

Which of the following is NOT a coagulant used on water purification?

• Chlorine

• Phosphate

• Nitrite

• Fluoride