Environmental Pollution
Biology ⇒ Ecology and Environment
Environmental Pollution starts at 7 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Environmental Pollution.
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See sample questions for grade 12
Describe how the use of pesticides in agriculture can lead to water pollution.
Describe the impact of acid rain on terrestrial and aquatic ecosystems.
Describe the relationship between population growth and environmental pollution.
Describe two major sources of water pollution and their effects on aquatic ecosystems.
Describe two ways in which noise pollution can be controlled in urban areas.
Explain how deforestation can contribute to environmental pollution.
Explain how plastic pollution affects marine life.
Explain the concept of 'bioremediation' and give one example of its application.
Which of the following is a consequence of thermal pollution?
(1) Increased dissolved oxygen
(2) Decreased metabolic rates in aquatic organisms
(3) Disruption of aquatic ecosystems
(4) Reduced water temperature
Which of the following is a direct effect of oil spills on marine ecosystems?
(1) Increased oxygen levels
(2) Death of marine organisms
(3) Enhanced coral growth
(4) Decreased water temperature
Which of the following is a greenhouse gas?
(1) Oxygen
(2) Methane
(3) Nitrogen
(4) Argon
Which of the following is a health effect of exposure to high levels of lead?
(1) Improved memory
(2) Kidney damage
(3) Enhanced vision
(4) Increased energy
Acid rain is mainly caused by the emission of ______ and ______ into the atmosphere.
The accumulation of non-biodegradable substances in the food chain is known as ______.
The main cause of ozone layer depletion is the release of ______ into the atmosphere.
The presence of excess ______ in water can cause blue baby syndrome in infants.
True or False: Biomagnification refers to the increase in concentration of pollutants as they move up the food chain.
True or False: Eutrophication can lead to the formation of dead zones in aquatic environments.
True or False: Groundwater pollution can be caused by leaching of chemicals from landfills.
True or False: Heavy metals like mercury and lead can accumulate in living organisms and cause health problems.
