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.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 11
Describe the impact of noise pollution on human health.
Describe two health effects of prolonged exposure to high levels of air pollution.
Describe two ways in which plastic pollution impacts marine ecosystems.
Explain how biomagnification affects top predators in an ecosystem.
A city experiences frequent temperature inversions during winter, leading to increased respiratory problems among residents. Explain how temperature inversion contributes to air pollution and its health effects.
A river near an industrial area shows a sudden decrease in dissolved oxygen levels and an increase in fish mortality. Explain the likely cause and the biological process involved.
Which of the following scenarios is an example of point source pollution?
(1) Runoff from multiple agricultural fields
(2) Discharge of wastewater from a single factory pipe
(3) Air pollution from vehicles in a city
(4) Pesticide drift from aerial spraying
A city implements a policy to reduce vehicle emissions by promoting public transportation and electric vehicles. Predict and explain two long-term environmental benefits of this policy.
Which of the following is a common indicator of water pollution?
(1) High dissolved oxygen
(2) Presence of coliform bacteria
(3) Low turbidity
(4) Neutral pH
Which of the following is a direct effect of oil spills on marine life?
(1) Increased oxygen levels
(2) Coating of feathers and fur
(3) Enhanced photosynthesis
(4) Improved water quality
Which of the following is a greenhouse gas that contributes to global warming?
(1) Oxygen
(2) Nitrogen
(3) Carbon dioxide
(4) Argon
Which of the following is a health effect of exposure to high levels of lead in drinking water?
(1) Improved vision
(2) Neurological damage
(3) Increased energy
(4) Enhanced immunity
Fill in the blank: The international agreement aimed at reducing the production of substances that deplete the ozone layer is called the __________ Protocol.
Fill in the blank: The main pollutant responsible for the depletion of the ozone layer is __________.
Fill in the blank: The main source of mercury pollution in aquatic ecosystems is __________.
Fill in the blank: The process by which excess nutrients in water bodies lead to algal blooms and oxygen depletion is called __________.
True or False: Acid rain is mainly caused by the release of sulfur dioxide (SO₂) and nitrogen oxides (NOₓ) into the atmosphere.
True or False: Light pollution can disrupt the natural behaviors of nocturnal animals.
True or False: Noise pollution can affect both human health and animal behavior.
True or False: The presence of excessive nutrients in water bodies can lead to the death of aquatic organisms.
