Pollution – A Rising Environmental Problem Welcome to your Pollution - A Rising Environmental Problem 1. 71% of Earth surface is covered with Land Water Coal Air2. Which poisonous gas is contained in the exhaust of a petrol driven vehicle? Ammonia Carbon monoxide Chlorine Carbon dioxide3. Ozone is abundant in this layer. Ozone heats this layer as it absorbs incoming ultraviolet radiation from the sun Thermosphere Troposphere Stratosphere Mesosphere4. Which one of the following is an example of pollutant? The dust raised during road cleaning A rat entering your kitchen The heat given out while cooking food Carbon dioxide given out by the respiring organisms5. If waste materials contaminate the source of drinking water, which of the following diseases will spread? Scurvy Typhoid Anaemia Malaria6. 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 produced7. Which one of the following is non-biodegradable? Bark of trees DDT Cardboard Vegetable peel8. The BS emission norms enforced for the entire country on April 1st 2017 were BS IV BS V BS VI BS III9. The sources of oil spills are All of these Offshore oil mining Oil refineries Overturned oil tankers10. Which one of the following is a Greenhouse gas? Methane Nitrogen Sulphur dioxide Oxygen11. Increased levels of air pollution results in All of these Global warming Soil erosion Respiratory problems12. Which of the following problems is not created by noise pollution? Deafness Diarrhoea Hypertension Irritation13. Which of the following is not a waterborne disease? Hepatitis Cholera Measles Typhoid14. One of the examples of radiation pollutants is Discarded fused electric bulbs Iodine - 131 Ozone Sulphur dioxide15. Maximum permissible smoke density in diesel vehicles is 45 HSU 75 HSU 50 HSU 65 HSU16. Air is composed of gases, water vapours and Dust particles Snowfall Rainfall Light17. Too frequent and too many X-ray exposures may cause serious health hazards like Damaged chromosomes All of these Genetic variations Bone cancer18. Oil spills are a source of pollution for Water Air and Noise Land and Air Land and water19. The chief industrial gaseous pollutants are All of these Carbon monoxide Carbon dioxide Sulphur dioxide20. Air pollution is caused by Smoke Insecticides Loud speakers Sewage21 out of 20Please fill in the comment box below.