Pollution – A Rising Environmental Problem Welcome to your Pollution - A Rising Environmental Problem 1. Deforestation is one of the sources of pollution because It decreases the oxygen levels produced It increases the oxygen levels produced It causes fertilizers to wash away in the water None of these2. Air is composed of gases, water vapours and Dust particles Light Snowfall Rainfall3. Which one of the following is an example of pollutant? The dust raised during road cleaning A rat entering your kitchen Carbon dioxide given out by the respiring organisms The heat given out while cooking food4. Which of the following problems is not created by noise pollution? Irritation Diarrhoea Hypertension Deafness5. Ozone is abundant in this layer. Ozone heats this layer as it absorbs incoming ultraviolet radiation from the sun Stratosphere Thermosphere Troposphere Mesosphere6. The chief industrial gaseous pollutants are All of these Carbon monoxide Carbon dioxide Sulphur dioxide7. Which poisonous gas is contained in the exhaust of a petrol driven vehicle? Carbon monoxide Chlorine Ammonia Carbon dioxide8. Which of the following is not a waterborne disease? Hepatitis Typhoid Measles Cholera9. Which one of the following is non-biodegradable? Vegetable peel Cardboard DDT Bark of trees10. 71% of Earth surface is covered with Air Water Land Coal11. Maximum permissible smoke density in diesel vehicles is 75 HSU 50 HSU 45 HSU 65 HSU12. Oil spills are a source of pollution for Land and Air Land and water Water Air and Noise13. If waste materials contaminate the source of drinking water, which of the following diseases will spread? Typhoid Anaemia Malaria Scurvy14. Which one of the following is a Greenhouse gas? Sulphur dioxide Oxygen Methane Nitrogen15. One of the examples of radiation pollutants is Sulphur dioxide Discarded fused electric bulbs Iodine - 131 Ozone16. Too frequent and too many X-ray exposures may cause serious health hazards like Genetic variations Bone cancer All of these Damaged chromosomes17. Increased levels of air pollution results in Soil erosion Global warming Respiratory problems All of these18. The sources of oil spills are Oil refineries Offshore oil mining Overturned oil tankers All of these19. The BS emission norms enforced for the entire country on April 1st 2017 were BS III BS IV BS VI BS V20. Air pollution is caused by Sewage Smoke Loud speakers Insecticides21 out of 20Please fill in the comment box below.
