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 the health effects of PM10 exposure?
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Asthma
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Heart disease
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Cancer
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All of the above
Correct answer
Explanation
PM10 exposure can cause a variety of health effects, including asthma, heart disease, and cancer.
Which of the following is NOT a health effect associated with PM10 exposure?
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Asthma
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Heart disease
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Cancer
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Allergies
Correct answer
Explanation
Allergies are not typically associated with PM10 exposure.
What is the primary route of exposure to waste-related hazards for humans?
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Inhalation
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Ingestion
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Skin contact
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All of the above
D
Correct answer
Explanation
Humans can be exposed to waste-related hazards through inhalation, ingestion, and skin contact.
Which of the following occupations is associated with an increased risk of developing skin cancer?
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Construction worker
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Office worker
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Teacher
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Nurse
A
Correct answer
Explanation
Construction workers are exposed to ultraviolet (UV) radiation from the sun for extended periods of time, which increases their risk of developing skin cancer.
Which of the following occupations is associated with an increased risk of developing eczema?
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Baker
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Welder
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Nurse
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Teacher
A
Correct answer
Explanation
Bakers are exposed to flour and other ingredients that can cause eczema, a type of skin inflammation.
Which of the following occupations is associated with an increased risk of developing psoriasis?
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Miner
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Office worker
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Teacher
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Nurse
A
Correct answer
Explanation
Miners are exposed to dust and other irritants that can trigger psoriasis, a chronic skin condition characterized by red, scaly patches.
Which of the following pollutants is most likely to cause mutations in genes?
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Heavy metals
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Pesticides
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Herbicides
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Fertilizers
A
Correct answer
Explanation
Heavy metals are most likely to cause mutations in genes because they can bind to DNA and interfere with its replication.
Which of the following is NOT a potential consequence of plastic pollution on human health?
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Increased risk of cancer
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Hormonal imbalances
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Improved air quality
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Developmental disorders
C
Correct answer
Explanation
Plastic pollution is associated with various adverse health effects, including increased risk of cancer, hormonal imbalances, and developmental disorders. It does not directly improve air quality.
Which of the following is NOT a benefit of phasing out ozone-depleting substances?
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Reduced risk of skin cancer
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Improved crop yields
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Increased greenhouse gas emissions
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Protection of marine ecosystems
C
Correct answer
Explanation
Phasing out ozone-depleting substances has numerous benefits, including reduced risk of skin cancer, improved crop yields, and protection of marine ecosystems. It does not lead to increased greenhouse gas emissions.
How does Green Chemistry contribute to reducing human health risks?
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By eliminating the use of toxic chemicals.
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By reducing the generation of hazardous waste.
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By promoting the use of safer alternatives.
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All of the above.
D
Correct answer
Explanation
Green Chemistry encompasses various strategies that collectively reduce human health risks by eliminating toxic chemicals, minimizing hazardous waste, and promoting safer alternatives.
What are some of the common health and safety risks associated with concert tours?
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The spread of infectious diseases.
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Injuries from moshing or crowd surfing.
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Exposure to loud noise.
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All of the above.
D
Correct answer
Explanation
All of the above are common health and safety risks associated with concert tours.
Which of the following is NOT a potential health risk associated with plastic pollution?
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Ingestion of microplastics
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Exposure to toxic chemicals from plastic production
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Increased risk of cancer
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Improved air quality
D
Correct answer
Explanation
Plastic pollution can have various negative impacts on human health, including the ingestion of microplastics, exposure to toxic chemicals, and increased risk of cancer. However, it does not directly improve air quality.
What is the primary route of exposure to microplastics for humans?
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Inhalation
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Skin contact
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Ingestion
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Eye contact
C
Correct answer
Explanation
Ingestion is the primary route of exposure to microplastics for humans. Microplastics can be present in food and water, and can also be inhaled or absorbed through the skin.
Which of the following health conditions has been linked to exposure to microplastics?
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Cardiovascular disease
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Neurological disorders
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Cancer
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All of the above
D
Correct answer
Explanation
Exposure to microplastics has been linked to various health conditions, including cardiovascular disease, neurological disorders, and cancer.
What is the main concern regarding the accumulation of microplastics in the human body?
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Increased risk of infection
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Reduced nutrient absorption
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Hormonal imbalances
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All of the above
D
Correct answer
Explanation
The accumulation of microplastics in the human body can lead to increased risk of infection, reduced nutrient absorption, hormonal imbalances, and other adverse health effects.