Question Bank
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Which of the following prevents the entry of harmful UV-B radiation into the Earth's atmosphere?
What is the primary cause of 'London Smog' which occurred in 1952?
Which of the following chemicals can cause 'skin cancer' due to ozone depletion?
High concentration of fluorides in drinking water primarily affects:
Which of the following is a way to reduce air pollution from vehicles?
Which pollutant is produced by photocopiers and laser printers?
Which of the following processes helps in the removal of particulate matter from industrial smoke?
Excessive growth of which of the following is an indicator of water pollution?
Which gas has a 'sweetish' smell but is a dangerous air pollutant found in vehicle exhaust?
What is the primary objective of the 'Kyoto Protocol'?
Which of the following is a natural source of air pollution?
Which pollutant is primarily responsible for the 'blackening' of buildings in polluted cities?
What happens to the level of dissolved oxygen in water when the temperature increases?
Which of the following is a major risk of 'nuclear pollution'?
Which of the following is NOT a method of solid waste disposal?