Effects MCQ

Test your knowledge with important Effects MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Effects MCQs at Bissoy

• TCDD is a human carcinogen.
  ক

  True

  খ

  False
• Crocidolite, actionide and amosite belong to which of the following category of pollutants?
  ক

  Particulate matter

  খ

  Asbestos

  গ

  Dioxins

  ঘ

  Cigarette smoke
• Which of the following belongs to class of extremely toxic dioxin compound(s)?
  ক

  Polychlorinated dibenzo-p-dioxins

  খ

  Polychlorinated dibenzofurans

  গ

  Polychlorinated biphenyls

  ঘ

  All of the mentioned
• How does lead affect the human body?
  ক

  Increases blood pressure

  খ

  Damages the cerebellum, liver and kidney

  গ

  Leads to reproductive disorders and osteoporosis

  ঘ

  All of the mentioned
• Which of the following is the current major contributor to lead air pollution?
  ক

  Motor vehicles

  খ

  Metal processing centres

  গ

  Waste incinerators

  ঘ

  Lead acid battery manufacturing units
• How does nitrogen affect the human body?
  ক

  Increases vulnerability to pathogens

  খ

  Destroys the macrophages

  গ

  Injures the defence mechanism of the lungs

  ঘ

  All of the mentioned
• What is the Haldane equation used for?
  ক

  To measure the amount of oxygen converted to ozone for a given wavelength of UV light

  খ

  To measure the ratio of affinity of carbon monoxide and oxygen to bind to a haemoglobin molecule

  গ

  To measure the percentage of carbon monoxide that is oxidised to carbon dioxide in various levels of oxygen

  ঘ

  To calculate the percentage of oxygen addition and carbon dioxide removal during respiratory action
• How does carbon monoxide affect the human body?
  ক

  It does not allow binding of oxygen with haemoglobin

  খ

  It reduces the surface area of the alveoli and disrupts gaseous transfers

  গ

  It causes the liver to malfunction, increasing bile secretion

  ঘ

  It reduces the body’s tendency to absorb water thereby making us feel dehydrated
• Ocean is a source for carbon monoxide.
  ক

  True

  খ

  False
• How does increase in temperature affect air pollution?
  ক

  Higher temperatures reduce air pollution

  খ

  Higher temperatures increase air pollution

  গ

  Temperature does not affect the air pollution levels

  ঘ

  Humidity factor is also necessary to predict variance of air pollution with temperature
• What are the effects of sulphur dioxide on the human body?
  ক

  It causes the malfunction of liver and kidney

  খ

  It breaks down body’s immunity towards particulate matter and bacteria

  গ

  It causes blood cells to dilate thereby affecting blood flow through the circulatory system

  ঘ

  All of the mentioned
• Which of the following pollutants is the major contributor to photochemical smog?
  ক

  Peroxynitrates

  খ

  Hydroperoxides

  গ

  Nitrogen dioxide

  ঘ

  Ozone
• What is the effect of ozone on human respiratory system?
  ক

  It has higher affinity to bind with haemoglobin and does not allow binding of oxygen

  খ

  It causes the disfigurement of the alveoli reducing the surface area for gaseous transfer

  গ

  It damages lung tissues and aggravates asthma

  ঘ

  All of the mentioned
• Particles of what size are filtered by the nasal passage?
  ক

  >10micrometre

  খ

  >500 micrometre

  গ

  >1 mm

  ঘ

  >5 micrometre
• The velocity of air reduces to zero by the time it reaches the bronchi.
  ক

  True

  খ

  False
• What is the primary function(s) of the alveoli?
  ক

  Transfer of oxygen to the blood

  খ

  Removal of carbon dioxide from the blood

  গ

  Transfer of toxic substances to the blood

  ঘ

  All of the mentioned
• The pulmonary section of the respiratory tract consists of ___________
  ক

  Nose and mouth as well as down till epiglottis and larynx

  খ

  Bronchi down till the end of bronchiole

  গ

  Respiratory bronchiole, alveoli and alveoli ducts

  ঘ

  Alveoli ducts and alveoli
• What is the primary standard level for carbon monoxide for assuring air quality?
  ক

  10ppm

  খ

  90ppm

  গ

  1ppm

  ঘ

  9ppm