Pollution – A Rising Environmental Problem Welcome to your Pollution - A Rising Environmental Problem 1. Which one of the following is non-biodegradable? DDT Cardboard Vegetable peel Bark of trees2. Air is composed of gases, water vapours and Snowfall Rainfall Light Dust particles3. Maximum permissible smoke density in diesel vehicles is 65 HSU 50 HSU 45 HSU 75 HSU4. Which of the following is not a waterborne disease? Measles Hepatitis Cholera Typhoid5. If waste materials contaminate the source of drinking water, which of the following diseases will spread? Typhoid Anaemia Scurvy Malaria6. Which one of the following is an example of pollutant? Carbon dioxide given out by the respiring organisms The heat given out while cooking food The dust raised during road cleaning A rat entering your kitchen7. Which of the following problems is not created by noise pollution? Deafness Hypertension Diarrhoea Irritation8. Deforestation is one of the sources of pollution because It causes fertilizers to wash away in the water None of these It increases the oxygen levels produced It decreases the oxygen levels produced9. The chief industrial gaseous pollutants are Carbon dioxide Sulphur dioxide Carbon monoxide All of these10. Increased levels of air pollution results in Respiratory problems Global warming All of these Soil erosion11. Too frequent and too many X-ray exposures may cause serious health hazards like Damaged chromosomes Bone cancer Genetic variations All of these12. 71% of Earth surface is covered with Air Land Coal Water13. Ozone is abundant in this layer. Ozone heats this layer as it absorbs incoming ultraviolet radiation from the sun Stratosphere Mesosphere Thermosphere Troposphere14. Which one of the following is a Greenhouse gas? Nitrogen Oxygen Methane Sulphur dioxide15. Air pollution is caused by Loud speakers Smoke Sewage Insecticides16. Which poisonous gas is contained in the exhaust of a petrol driven vehicle? Carbon monoxide Chlorine Carbon dioxide Ammonia17. The BS emission norms enforced for the entire country on April 1st 2017 were BS III BS VI BS IV BS V18. One of the examples of radiation pollutants is Iodine - 131 Discarded fused electric bulbs Sulphur dioxide Ozone19. The sources of oil spills are Offshore oil mining All of these Overturned oil tankers Oil refineries20. Oil spills are a source of pollution for Land and Air Water Air and Noise Land and water21 out of 20Please fill in the comment box below.
