NEET Biology Human Reproduction Question Bank

done Critical Thinking Questions Total Questions - 14

• question_answer1)
  Lichens are important in the studies on atmospheric pollution because they
  A)
  Can grow in polluted atmosphere done clear
  B)
  Can readily multiply in polluted atmosphere done clear
  C)
  Efficiently purify the atmosphere done clear
  D)
  Are very sensitive to pollutants like sulphur dioxide done clear
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• question_answer2)
  Which of the following pollutants affect more to organisms of the higher trophic level of a food chain due to biological amplification
  A)
  Sewage and plant fertilizers done clear
  B)
  Detergents done clear
  C)
  Heavy metals mercury salts and non- biodegradable phenolic chemicals done clear
  D)
  Poisonous cynides done clear
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• question_answer3)
  The major factor in causing global warming is
  A)
  Increase in oxygen concentration in atmosphere done clear
  B)
  Decrease in carbon dioxide concentration in atmosphere done clear
  C)
  Increase in carbon dioxide concentration in atmosphere done clear
  D)
  Decrease in atmospheric nitrogen done clear
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• question_answer4)
  Exposure of an organism to UV system causes
  A)
  Photodynamic action done clear
  B)
  Formation of thymidine done clear
  C)
  Splitting of H-bonds of DNA done clear
  D)
  Splitting of phosphodiester bonds done clear
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• question_answer5)
  Emphysema disease is caused by
  A)
  \[S{{O}_{2}}\] done clear
  B)
  \[C{{O}_{2}}\] done clear
  C)
  Photochemical smog done clear
  D)
  Mercury done clear
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• question_answer6)
  The presence of ozone \[\left( {{O}_{3}} \right)\] in the atmosphere of earth [CPMT 1984]
  A)
  Hinders higher rate of photosynthesis done clear
  B)
  Helps in checking the penetration of ultraviolet rays to earth done clear
  C)
  Has been responsible for increasing the average global temperature in recent years done clear
  D)
  Is advantageous since it supplies \[{{O}_{2}}\] for people travelling in jets done clear
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• question_answer7)
  The component of a living cell affected by the pollutant \[S{{O}_{2}}\] is [CPMT 1985]
  A)
  Nucleus done clear
  B)
  All cell membrane system done clear
  C)
  Cell wall done clear
  D)
  Plasmodesmata done clear
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• question_answer8)
  Acid rain is caused by or recent reports of acid rain in some industrial cities are due to the effect of atmospheric pollution by [MP PMT 1987, 90; BHU 1989; CPMT 1989; CBSE PMT 1988, 89; KCET 1994; EAMCET 1995; Pb. PMT 2004]
  A)
  Excessive release of\[C{{O}_{2}}\]by burning of fuels like wood and charcoal, cutting of forests and increased animal population done clear
  B)
  Excessive release of \[N{{O}_{2}}\]and \[S{{O}_{2}}\] in atmosphere by burning of fossil fuel done clear
  C)
  Excessive release of \[N{{H}_{3}}\] by industrial plants and coal gas done clear
  D)
  Excessive release of \[CO\] in atmosphere by incomplete combustion of coke, charcoal and other carbonaceous fuel in paucity of oxygen done clear
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• question_answer9)
  Minamata disease is a pollution related disease results from [BHU 1989, 90; EAMCET 1995]
  A)
  Oil spills into sea done clear
  B)
  Accumulation of arsenic into atmosphere done clear
  C)
  Release of industrial waste mercury into fishing water done clear
  D)
  Release human organic waste into drinking water done clear
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• question_answer10)
  Air pollution causing photochemical oxidants production include [AMU 1989]
  A)
  Carbon monoxide, sulphur dioxide done clear
  B)
  Nitrous oxide, nitric acid fumes, nitric oxide done clear
  C)
  Ozone, peroxyacetyl nitrate, aldehydes done clear
  D)
  Oxygen, chlorine, fuming nitric acid done clear
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• question_answer11)
  In Minamata Bay, Japan, which of the following animals remained free from Minamata disease [CBSE PMT 1995]
  A)
  Cats done clear
  B)
  Rabbits done clear
  C)
  Dogs done clear
  D)
  Pigs done clear
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• question_answer12)
  How carbon monoxide, emitted by automobiles, prevents transport of oxygen in the body tissues [CBSE PMT 1998]
  A)
  By chaning oxygen into carbon dioxide done clear
  B)
  By destroying the haemoglobin done clear
  C)
  By forming a stable compound with haemoglobin done clear
  D)
  By obstructing the reaction of oxygen with haemoglobin done clear
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• question_answer13)
  Photochemical smog formed in congested metropolitan cities mainly consists of [AIIMS 2003]
  A)
  Ozone, peroxyacetyl nitrate and \[N{{O}_{x}}\] done clear
  B)
  Smoke, peroxyacetyl nitrate and \[S{{O}_{2}}\] done clear
  C)
  Hydrocarbons, \[S{{O}_{2}}\] and \[C{{O}_{2}}\] done clear
  D)
  Hydrocarbons, ozone and \[S{{O}_{x}}\] done clear
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• question_answer14)
  The phenomenon in which nutrient enrichment of a water body supports a dense growth of one or may organisms but decreases the species diversity is called [AMU 2005]
  A)
  Biological magnification done clear
  B)
  Species promotion done clear
  C)
  Eutrophication done clear
  D)
    None of the above done clear
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