Environmental Studies ยท Biology
Environmental Health and Toxicology
1,658 Questions
Access targeted questions on environmental health, pollution impacts, and toxicology fundamentals. The topics cover the health effects of air pollution, radiation, and chemical exposure. This material is highly relevant for environmental science tests and general awareness sections of competitive exams.
Air pollution health effectsPesticide exposure risksOzone depletion impactsEnvironmental epidemiologySkin inflammation conditions
Environmental Health and Toxicology Questions
What are some of the health and safety risks that garment workers in Bangladesh face?
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Exposure to toxic chemicals
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Repetitive motion injuries
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Respiratory problems
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All of the above
D
Correct answer
Explanation
Garment workers in Bangladesh face a number of health and safety risks, including exposure to toxic chemicals, repetitive motion injuries, and respiratory problems.
What is the primary health concern associated with VOCs?
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Respiratory irritation
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Cancer
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Heart disease
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Neurological disorders
B
Correct answer
Explanation
VOCs are known to be carcinogenic, meaning they can cause cancer.
Which of the following is NOT a health effect associated with indoor VOC exposure?
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Eye irritation
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Headaches
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Asthma
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Heart disease
D
Correct answer
Explanation
Heart disease is not a common health effect associated with indoor VOC exposure, unlike eye irritation, headaches, and asthma.
How does oil pollution affect marine mammals?
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Impairs their ability to hunt and feed
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Causes skin irritation and respiratory problems
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Disrupts their reproductive cycle
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All of the above
D
Correct answer
Explanation
Oil pollution has a multifaceted impact on marine mammals. It can impair their ability to hunt and feed due to reduced visibility and contamination of prey. It can also cause skin irritation, respiratory problems, and disrupt their reproductive cycle, leading to population decline.
What is the primary health concern associated with exposure to sulfur dioxide?
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Increased risk of heart disease
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Aggravation of asthma and other respiratory conditions
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Damage to the nervous system
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Cancer
B
Correct answer
Explanation
Sulfur dioxide is a known irritant that can cause inflammation and constriction of the airways, leading to difficulty breathing and other respiratory symptoms, particularly in individuals with asthma or other respiratory conditions.
What is the primary health concern associated with exposure to nitrogen dioxide (NO2)?
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Increased risk of heart disease
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Aggravation of asthma and other respiratory conditions
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Impaired cognitive function
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All of the above
D
Correct answer
Explanation
Exposure to NO2 has been linked to a range of health issues, including increased risk of heart disease, aggravation of asthma and other respiratory conditions, and impaired cognitive function.
Which of the following is NOT a potential consequence of exceeding the National Ambient Air Quality Standard (NAAQS) for nitrogen dioxide (NO2)?
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Increased hospital admissions for respiratory illnesses
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Reduced visibility
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Damage to crops and vegetation
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None of the above
D
Correct answer
Explanation
All of the options listed are potential consequences of exceeding the NAAQS for NO2.
Which of the following is NOT a potential health effect of long-term exposure to nitrogen dioxide (NO2)?
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Increased risk of lung cancer
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Reduced lung function
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Increased risk of cardiovascular disease
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All of the above
A
Correct answer
Explanation
While NO2 has been linked to increased risk of cardiovascular disease and reduced lung function, there is no strong evidence suggesting a link between NO2 exposure and lung cancer.
What is the primary route of exposure to toxic hazardous waste?
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Inhalation
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Ingestion
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Dermal contact
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All of the above
D
Correct answer
Explanation
Toxic hazardous waste can enter the body through inhalation, ingestion, or dermal contact.
Which of the following is a common health effect of exposure to toxic hazardous waste?
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Cancer
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Neurological damage
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Reproductive problems
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All of the above
D
Correct answer
Explanation
Exposure to toxic hazardous waste can cause a variety of health effects, including cancer, neurological damage, and reproductive problems.
What is the primary mechanism by which toxic hazardous waste causes cancer?
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DNA damage
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Cell proliferation
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Immune system suppression
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All of the above
A
Correct answer
Explanation
Toxic hazardous waste can cause cancer by damaging DNA, which can lead to uncontrolled cell growth and proliferation.
Which of the following is NOT a potential consequence of acid rain on human health?
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Respiratory problems
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Cardiovascular issues
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Increased risk of cancer
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Improved air quality
D
Correct answer
Explanation
Acid rain does not directly improve air quality. It can contribute to air pollution by releasing harmful pollutants into the atmosphere.
What are the main health effects associated with smog?
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Increased risk of asthma and other respiratory problems
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Eye irritation and discomfort
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Cardiovascular disease
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All of the above
D
Correct answer
Explanation
Smog can cause a range of health problems, including increased risk of asthma and other respiratory problems, eye irritation and discomfort, and cardiovascular disease. The elderly, children, and individuals with pre-existing health conditions are particularly vulnerable to the effects of smog.
Which of the following is NOT a potential health effect of smog?
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Increased risk of heart disease
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Increased risk of stroke
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Improved lung function
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All of the above
C
Correct answer
Explanation
Improved lung function is not a potential health effect of smog. Smog can have negative impacts on lung function, including increased risk of asthma and other respiratory problems.
Which of the following is NOT a potential consequence of juvenile substance abuse?
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Academic problems
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Legal problems
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Health problems
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Social problems
B
Correct answer
Explanation
Legal problems are not a potential consequence of juvenile substance abuse.