Environmental Studies · Biology

Environmental Health and Toxicology

1,717 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

Multiple choice geography pollution - types and sources study of water pollution threats to water resource major hazards in india and prevention

Hearing inability or deafness is causes due to ___________.

  1. Noise pollution

  2. Soil pollution

  3. Water pollution

  4. Air pollution
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Noise pollution refers to excessive or harmful levels of sound that can damage the auditory system. Prolonged exposure to high-intensity noise is a primary cause of hearing loss or deafness.

Multiple choice geography pollution - types and sources environmental risks of economic development tundra climatic region effects and successes of environment conservation

Why is mercury particularly hazardous?

  1. it is increasing global warming

  2. it is increasing depletion of the ozone layer

  3. it is highly radioactive

  4. the concentration increases up the food chain and reaches to user .
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Mercury is hazardous to the environment because it interferes the food chain and enters human body causing adverse effects. This process is called bio magnification.

Example is the cause of Minimata disease, caused due to the mercury pollution in Japan. Tons of Mercury was released by industries into the river water and this entered human bodies by eating the fish which already consumed mercury of river water. Many people suffered nervous disorder because of the disease caused by mercury pollution.

Multiple choice biology food components and nutrition effect on general health growth and development in young people nutrient deficiency diseases

.............. has a tremendous effect on the health of an individual, specially in children.

  1. Heart attack

  2. Anaemia

  3. Cancer

  4. Malnutrition
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

  1. Malnutrition is a condition that results from eating a diet in which one or more nutrients are either not enough or are too much such that the diet causes health problems.
  2.  If an individual is not provided with enough nutrients, they are called undernutrition or undernourishment while too much is called overnutrition.
  3.  If undernutrition occurs during pregnancy, or before two years of age, it may result in permanent problems with physical and mental development.
  4. Symptoms that include: a short height, thin body, very poor energy levels, and swollen legs and abdomen. Hence, malnutrition has a tremendous effect on the health of an individual, especially in children.

So, the correct answer is 'malnutrition'.

Multiple choice zoology our health introduction to health and disease health and its failure health and its significance

Health of an organism depends upon the surrounding environmental conditions.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Health is a state of complete physical, mental and social well being and not merely the absence of diseases. One can be considered in a state of positive health when his surrounding conditions provide him a healthy environment. Unhygienic conditions like sewage, domestic water, garbage, toxic substances and harmful gases pollute the surrounding environment which may cause several diseases and psychie disorders that ultimately deteriorates the health of a person.

Multiple choice evs - i life is precious road safety and pollution pollution of natural resources air pollution and its effects

Among the following which one causes more indoor chemical pollution?

  1. Burning coal

  2. Burning cooking gas

  3. Burning mosquito coil

  4. Room spray
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Among the given four options, both burning of coal and burning of mosquito coil will cause chemical pollution, but burning of coal will cause more pollution. The main ingredient in mosquito coils is pyrethrum C (a natural extract from the Chrysanthemum flower). At high doses, it is responsible for various respiratory disorders. The coal leads to release of a wide array of air pollutants $ \left( { CO } _{ x }{ SO } _{ x }{ NO } _{ x }\quad etc. \right) . $ Among these, CO is very dangerous, it interfer with breathing process. People are generally advised not to sleep with coal burning in the closed room.
So, the correct answer is 'Burning coal'.
Multiple choice business organisation and correspondence life is precious road safety and pollution pollution of natural resources air pollution and its effects

Asthma can be caused by

  1. Water pollution

  2. Soil erosion

  3. Air pollution

  4. Thermal pollution
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
  • Asthma is a condition in which a person's airways become inflamed, narrow and swell and produce extra mucus, which makes it difficult to breathe.
  • The symptoms of asthma often present in periodic attacks or episodes of tightness in the chest, wheezing, breathlessness, and coughing.
  • Asthma is caused by many reasons such as air pollution, smoking, dust, pets, chemicals, and genetic reasons. Allergins present in the polluted air causes an inflammatory reaction is airways which leads to asthma.
  • Hence Asthma can be caused by air pollution.
  • So, the correct answer is 'Air pollution'.
Multiple choice business organisation and correspondence life is precious road safety and pollution pollution of natural resources air pollution and its effects

Of the following, which one causes more indoor chemical pollution

  1. Turning coal

  2. Burning mosquito coil

  3. cooking gas

  4. Room spray
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Coal usually produces a lot of smoke. So, when burning indoor it creates a lot of chemical pollution.

Mosquito coil, cooking gas and room spray doesnt produce a lot of smoke. 

Multiple choice business organisation and correspondence life is precious road safety and pollution pollution of natural resources air pollution and its effects

Multiple Choice Questions
A pollutant producing burning sensation of throat and eyes along with feeling of vomiting is

  1. Hydrogen sulphide

  2. Sulphur dioxide

  3. Hydrogen cyanide

  4. Arsenic.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

H$ _2$S is a primary air pollutant emitted from putrifying substances, refineries, bituminous fuels etc. It causes burning sensation of throat and eyes along with feeling of vomiting or nausea. In plants it may cause defoliation and mottled chlorosis.

So, the correct answer is option A, Hydrogen sulphide.

Multiple choice geography human activities and environmental degradation study of water pollution threats to water resource major hazards in india and prevention

Lead poisoning results in bronchitis and lack of appetite in ______.

  1. Humans

  2. Pet animals

  3. Both a and b

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Lead particulates (from automobile exhausts) cause lead poisoning result­ing in convulsions, delirium, coma and even death in Humans.

When the animals feed upon the particulate coated plants (especially with Fluo­rine, Lead, Arsenic) they get affected with Arsenic poisoning (cattle and sheep) and Arsenic poisoning (cattle). Lead poisoning results in bronchitis and lack of appetite in pet animals.

Multiple choice types, sources and impact of waste accumulation waste management - impact of waste accumulation our life and environment geography

Which toxic material affects blood system, causes behavioural disorders and can also cause  death?

  1. Lead

  2. Cadmium

  3. NIckel

  4. Mercury
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Lead is a toxicant that has multiple effects on the body. It gets stored in teeth and bones and accumulates there making them hollow and weak. It is released in the blood leading to a high concentration of lead which causes deformity in children during pregnancy. It affects the brain and kidney functioning.

Multiple choice business organisation and correspondence industrial pollution and degradation of environment sources of pollution environmental conservation environment and conservation

A very harmful fibrous component causing pollution and an inflicting disease of lungs in human beings is

  1. Asbestos

  2. Eichhornia roots

  3. ABS micelle

  4. Grease
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Asbestos is widely used in shipbuilding, commercial product manufacturing, power plants, and construction. It causes air pollution. Asbestos fibers are easily inhaled because they are microscopic. Once inhaled, the fibers cling to the respiratory system, including the lining of the lungs and inner cavity tissue. Asbestos fibers are rigid hence they become lodged in the soft internal tissue of the respiratory system. They cannot be easily expelled or broken down by the body thus damaging the lungs. Thus the correct answer is option A.