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ENVIRONMENTAL SCIENCE MCQs

Total Questions : 2671 | Page 11 of 268 pages
Question 101. A river with high BOD value is
  1.    highly polluted
  2.    highly clean
  3.    highly productive
  4.    none of these
 Discuss Question
Answer: Option A. -> highly polluted
Question 102. The name given to a liquid drop of dew that freezes when the air temperature drops below freezing is:
  1.    Frost
  2.    Black frost
  3.    Hoarfrost
  4.    White frost
  5.    Frozen dew
 Discuss Question
Answer: Option E. -> Frozen dew
Question 103. "Ozone Hole" is a _____________
  1.    Hole in the atmosphere
  2.    Destruction of ozone layer
  3.    Hole in the hydrosphere
  4.    Hole in the troposphere
 Discuss Question
Answer: Option B. -> Destruction of ozone layer
Question 104. The maintenance of relatively constant internal environment is called
  1.    Homeostasis
  2.    Exotherms
  3.    Homeobox
  4.    Endotherms
 Discuss Question
Answer: Option A. -> Homeostasis
Question 105. The only ape found in India
  1.    Gorilla
  2.    Chimpanzee
  3.    Hoolock gibbon
  4.    Oranguttan
 Discuss Question
Answer: Option C. -> Hoolock gibbon
Question 106. The indoor pollutant radon which is a radioactive gas causes
  1.    lung cancer
  2.    anemia
  3.    hormone disorder
  4.    cardiac arrest
 Discuss Question
Answer: Option A. -> lung cancer
Question 107. Hypothermia is most common in:
  1.    Hot, humid weather
  2.    Cold, wet weather
  3.    Hot, dry weather
  4.    Cold, dry weather
 Discuss Question
Answer: Option B. -> Cold, wet weather
Question 108. The earth is tilted at an angle of 23.5o with respect to the plane of its orbit around the sun. If the amount of tilt were increased to 40o, we would expect in middle latitudes:
  1.    Hotter summers and colder winters than at present
  2.    Cooler summers and milder winters than at present
  3.    Hotter summers and milder winters than at present
  4.    Cooler summers and colder winters than at present
  5.    No appreciable change from present conditions
 Discuss Question
Answer: Option A. -> Hotter summers and colder winters than at present
Question 109. Flora is the __________ life occurring in a particular region or time
  1.    plant
  2.    animal
  3.    human
  4.    microbial
 Discuss Question
Answer: Option A. -> plant
Question 110. Which of the following is correctly matched?
  1.    Butterfly - Camouflage
  2.    Garden lizard -Mimicry
  3.    House lizard -Autotomy
  4.    None of these
 Discuss Question
Answer: Option C. -> House lizard -Autotomy

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