Pollution – A Rising Environmental Problem Welcome to your Pollution - A Rising Environmental Problem 1. Deforestation is one of the sources of pollution because It increases the oxygen levels produced None of these It causes fertilizers to wash away in the water It decreases the oxygen levels produced2. Which one of the following is non-biodegradable? DDT Bark of trees Vegetable peel Cardboard3. Ozone is abundant in this layer. Ozone heats this layer as it absorbs incoming ultraviolet radiation from the sun Stratosphere Mesosphere Troposphere Thermosphere4. Which one of the following is a Greenhouse gas? Sulphur dioxide Nitrogen Oxygen Methane5. Oil spills are a source of pollution for Air and Noise Land and Air Water Land and water6. Which of the following problems is not created by noise pollution? Hypertension Deafness Irritation Diarrhoea7. Increased levels of air pollution results in Global warming All of these Respiratory problems Soil erosion8. The sources of oil spills are Oil refineries Offshore oil mining Overturned oil tankers All of these9. Which of the following is not a waterborne disease? Measles Cholera Typhoid Hepatitis10. One of the examples of radiation pollutants is Iodine - 131 Ozone Sulphur dioxide Discarded fused electric bulbs11. 71% of Earth surface is covered with Air Water Coal Land12. The BS emission norms enforced for the entire country on April 1st 2017 were BS VI BS V BS III BS IV13. Too frequent and too many X-ray exposures may cause serious health hazards like Genetic variations All of these Bone cancer Damaged chromosomes14. Air is composed of gases, water vapours and Light Dust particles Snowfall Rainfall15. Maximum permissible smoke density in diesel vehicles is 65 HSU 75 HSU 50 HSU 45 HSU16. Which one of the following is an example of pollutant? A rat entering your kitchen The heat given out while cooking food The dust raised during road cleaning Carbon dioxide given out by the respiring organisms17. If waste materials contaminate the source of drinking water, which of the following diseases will spread? Anaemia Malaria Scurvy Typhoid18. The chief industrial gaseous pollutants are Carbon dioxide Carbon monoxide All of these Sulphur dioxide19. Air pollution is caused by Sewage Insecticides Smoke Loud speakers20. Which poisonous gas is contained in the exhaust of a petrol driven vehicle? Carbon monoxide Ammonia Chlorine Carbon dioxide21 out of 20Please fill in the comment box below.
