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MCQs

Total Questions : 498 | Page 46 of 50 pages
Question 451. PBBs are used as a flame retardants, in dealing with
  1.    Flames
  2.    Halo flames
  3.    Chlorinated flame
  4.    brominated flame
 Discuss Question
Answer: Option D. -> brominated flame
Answer: (d).brominated flame
Question 452. Polychlorinated biphenyls (PCBs), affecting
  1.    Estrogen metabolism
  2.    Blood Circulation
  3.    Cell membrane
  4.    Biodegradable
 Discuss Question
Answer: Option A. -> Estrogen metabolism
Answer: (a).Estrogen metabolism
Question 453. Algal bloom is a massive growth of unicellular algae in the
  1.    Rain
  2.    Industries
  3.    Sea
  4.    water
 Discuss Question
Answer: Option C. -> Sea
Answer: (c).Sea
Question 454. Some organisms attach themselves to ship hull, in process of
  1.    Eutrophication
  2.    Biodegradation
  3.    Bioventing
  4.    All of above
 Discuss Question
Answer: Option D. -> All of above
Answer: (d).All of above
Question 455. Biocides are recognized as a chemical product, utilized in killing different
  1.    Land organisms
  2.    Sea organism
  3.    Insects
  4.    animals
 Discuss Question
Answer: Option B. -> Sea organism
Answer: (b).Sea organism
Question 456. A grey water is produced in kitchens and showers of
  1.    Ships
  2.    Bus
  3.    cars
  4.    Bikes
 Discuss Question
Answer: Option A. -> Ships
Answer: (a).Ships
Question 457. Ships engine produces CO₂, SO₂ and
  1.    Paper waste
  2.    Plastics
  3.    NO₂
  4.    carbon
 Discuss Question
Answer: Option C. -> NO₂
Answer: (c).NO₂
Question 458. How much shipping containers got lost accidently at sea?
  1.    7000
  2.    5000
  3.    2000
  4.    10000
 Discuss Question
Answer: Option D. -> 10000
Answer: (d).10000
Question 459. Crude oil of ship consist different types of
  1.    Inorganic and organic compounds
  2.    Oxygen and carbon
  3.    Nitrogen and Phosphorous
  4.    Hydrocarbons
 Discuss Question
Answer: Option D. -> Hydrocarbons
Answer: (d).Hydrocarbons
Question 460. Non calcareous fouling organisms are seaweeds, algae and
  1.    Viruses
  2.    Bacterial films
  3.    Rodents
  4.    Fungi
 Discuss Question
Answer: Option B. -> Bacterial films
Answer: (b).Bacterial films

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