Air and Water Pollution

Which of the following is NOT a source of water pollution?

• Discharge of untreated industrial waste

• Oil spills

• Sewage

• Usage of plastic straws

Oil forms a layer on the water surface and prevents _________________ from entering the water.

• air

• straws

• fish

• litter

Runoffs from ____________________________ from nearby farms is a source of water pollution.

• rain

• industrial wastes

• sewage

• fertilisers and pesticides

Which of the following is a major cause of air pollution?

• Burning of fossil fuels

• Recycling of plastics

• Planting trees

• Using solar panels

What is the primary component of smog?

• Ozone

• Carbon dioxide

• Nitrogen

• Oxygen

Which gas is primarily responsible for acid rain?

• Sulfur dioxide

• Methane

• Oxygen

• Hydrogen

What is eutrophication?

• Excessive nutrients in water bodies

• Increase in fish population

• Decrease in water temperature

• Reduction in water pH

Tags

NGSS.MS-LS2-3

Which of the following is a consequence of water pollution?

• Loss of biodiversity

• Increased oxygen levels

• Improved water clarity

• Enhanced fish growth

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is the main source of nitrogen oxides in the atmosphere?

• Vehicle emissions

• Volcanic eruptions

• Forest fires

• Ocean spray

Which of the following is a method to reduce air pollution?

• Using public transportation

• Burning more coal

• Increasing industrial production

• Deforestation