This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Environment > Impacts Of Pollutants On Human Health – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Impacts Of Pollutants On Human Health Quiz 1 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Where are chemical hazards present outdoors? A) Air. B) Land. C) Water. D) All are correct. Show Answer Correct Answer: D) All are correct. 2. Which of the following is a part of risk assessment? A) Developing a strategy for reducing risk. B) Assessing the probability of risk. C) Comparative risk analysis of other risks. D) Determining the financial cost of reducing the risk. E) Evaluating the quantity of risk reduction needed. Show Answer Correct Answer: B) Assessing the probability of risk. 3. The increasing concentration of a pesticide in an organism as it moves up a food chain is referred to as: A) Biotic potential. B) Resistance. C) Bioaccumulation. D) Biotoxicity. Show Answer Correct Answer: C) Bioaccumulation. 4. A(n) ..... disease is a disease that has appeared in the human population for the first time or that has existed for a while, but is increasing rapidly or spreading around the world. A) Environmental. B) Pandemic. C) Emerging. D) Infectious. Show Answer Correct Answer: C) Emerging. 5. Which list is made up of toxic metal pollutants? A) Cadmium, arsenic, lead, & mercury. B) Argon, neon, chromium, & mercury. C) PCB, BPA, mercury, & potassium. D) DDT, cadmium, lead, potassium, & BPA. Show Answer Correct Answer: A) Cadmium, arsenic, lead, & mercury. 6. What is an example of a controllable social hazard? A) Natural disasters. B) Drinking alcohol. C) Pollution from dump near your home. D) Emerging diseases. Show Answer Correct Answer: B) Drinking alcohol. 7. Which one is NOT a reason why infectious diseases are less of a threat in developed nations? A) Better sanitation (clean). B) Access to medicine. C) They are smarter. D) None of above. Show Answer Correct Answer: C) They are smarter. 8. Infectious diseases are diseases caused by a ....., such as a virus or a bacterium. A) Pathogen. B) Toxicant. C) Pandemic. D) Carcinogen. Show Answer Correct Answer: A) Pathogen. 9. In 1918 a virus called the Spanish Flu spread rapidly around the globe; within a few months, it killed 20-50 million people A) Epidemic. B) Pandemic. C) Non-transmissable disease. D) Physical Hazard. E) Mutagen. Show Answer Correct Answer: B) Pandemic. 10. What is any substance that poses a chemical hazard considered? A) VOC. B) Allergen. C) Carcinogen. D) Toxicant. Show Answer Correct Answer: D) Toxicant. 11. Which is associated with a tornado? A) Storm surge. B) Funnel of rotating air. C) Lightning and thunder. D) Landslides and mudslides. Show Answer Correct Answer: B) Funnel of rotating air. 12. What type of natural disasters occur in Georgia? A) Tsunami. B) Storms. C) Mudslide. D) Volcanic eruption. Show Answer Correct Answer: B) Storms. 13. DDT, PCB's, BPA and phthalates are all examples of ..... A) Insecticides. B) Hormonally active agents. C) Plastic additives. D) All of these. Show Answer Correct Answer: B) Hormonally active agents. 14. What was the cause of the mercury poisoning in Grassy Narrows? A) Dryden pulp and paper chemical company. B) Dryden mercury plant. C) The fish population. D) Naturally from the rocks in the water. Show Answer Correct Answer: A) Dryden pulp and paper chemical company. 15. How does human acquires malaria? A) Biting of vector. B) Use homemade solution for contact lense. C) Ingestion of contaminated food. D) Swimming in infected lake. Show Answer Correct Answer: A) Biting of vector. 16. What caused the cholera outbreak? A) Unhealthy Food. B) Obesity. C) Poor sanitation. D) Contaminated water. Show Answer Correct Answer: C) Poor sanitation. 17. Which of the following substances is a heavy metal, pollutant that is associated with nerve damage? A) Lead. B) Organophosphates. C) PCBs. D) Hormones. Show Answer Correct Answer: A) Lead. 18. Which of the following pollutants is used in agriculture and landscaping and might cause nerve damage, birth defects, and cancer in humans? A) Pesticides. B) Particulate matter. C) Bacteria. D) Lead. Show Answer Correct Answer: A) Pesticides. 19. Pollutant can come from both ..... sources and human activities. A) Natural. B) Under water. C) Nature. D) None of above. Show Answer Correct Answer: A) Natural. 20. The pollution of waterways creating conditions in which productivity is decreased and gills of bottom dwelling organisms are clogged is due to A) Erosion and sedimentation. B) Runoff and flooding. C) Urbanization. D) Mining dams. Show Answer Correct Answer: A) Erosion and sedimentation. 21. What do antibiotics cure? A) Fungus. B) Parasite. C) Bacteria. D) Virus. Show Answer Correct Answer: C) Bacteria. 22. A toxin, such as DDT, builds up in the fatty tissue of an organism. This is referred to as ..... A) Dose-response. B) Bioaccumulation. C) Biomagnification. D) Synergism. Show Answer Correct Answer: B) Bioaccumulation. 23. What is a genetically modified organism? A) Any process in which scientists directly manipulate an organism's DNA. B) Organisms that have undergone genetic engineering. C) Agriculture that does not deplete soil faster than it forms. D) The use of genetic engineering to introduce new genes into organisms to produce more valuable products. Show Answer Correct Answer: B) Organisms that have undergone genetic engineering. 24. When testing water chemistry of a creek you find a high levels of phosphate, where might the source of this contamination come from. A) Litters. B) Cars. C) Farms. D) Residential neighborhoods. Show Answer Correct Answer: C) Farms. 25. Which of the following best describes an exposure threshold for a toxic chemical? A) The dose that is tolerable for all test subjects. B) The dose at which the test subject begins to show harmful effects. C) The dose at which 50% of a test population dies. D) The dose that a test subject can tolerate. E) The dose at which infants die. Show Answer Correct Answer: B) The dose at which the test subject begins to show harmful effects. 26. Risk assessment is useful NOT because A) It can affect government regulations therefore control the toxic substance. B) It is the scientific estimation of the likelihood of negative effects. C) It can predict how and where pollutants spread. D) It can help to decide what measurement a community should take to prevent negative effect. Show Answer Correct Answer: B) It is the scientific estimation of the likelihood of negative effects. 27. Includes lightning, heavy rain, and sometimes hail A) Hurricane. B) Mudslide. C) Tornado. D) Thunderstorm. Show Answer Correct Answer: D) Thunderstorm. 28. Ticks and mosquitos can be vectors for diseases. In both cases, these organisms acquire the disease-causing organism by A) Feeding on a host animal. B) A random mutation that is more common in small organisms. C) Breeding in areas that are very humid. D) All of these. Show Answer Correct Answer: A) Feeding on a host animal. 29. What types of hazards does toxicology deal with? A) Biological and social. B) Chemical and physical. C) Human made. D) Natural disasters. Show Answer Correct Answer: B) Chemical and physical. 30. BPA has been shown to reduce the amount of testosterone in males of some species. BPA can be classified as a(n) A) Teratogen. B) Endocrine disruptor. C) Mutagen. D) Carcinogen. Show Answer Correct Answer: B) Endocrine disruptor. 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