Banking Biology Ecology and Ecosystem Biodiversity Question Bank

done Ecology and Environment Total Questions - 40

• question_answer1)
  The term 'Ecology' was coined by
  A)
   Haeckel                          done clear
  B)
   Odum done clear
  C)
   Wanning            done clear
  D)
          Dudgeon done clear
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• question_answer2)
  The age of pyramid with broad base indicates
  A)
   high percentage of young individuals   done clear
  B)
   low percentage of young individuals done clear
  C)
   high percentage of old individuals done clear
  D)
   low percentage of old individuals done clear
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• question_answer3)
  Desert regions are characterized by __ centimeters of rainfall per year.
  A)
   less than 5                    done clear
  B)
   less than 15 done clear
  C)
   less than 25            done clear
  D)
         over 50 done clear
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• question_answer4)
  Resemblance of one organism to another for protection and hiding is
  A)
   Mimicry                          done clear
  B)
   Predation done clear
  C)
   Adaptation          done clear
  D)
          Camouflage done clear
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• question_answer5)
  Which is not a part of atmosphere?
  A)
   Light                            done clear
  B)
   Temperature done clear
  C)
   Edaphic factor       done clear
  D)
          Precipitation done clear
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• question_answer6)
  Human population growth ______.
  A)
   has an S-shaped curve done clear
  B)
   is currently in a logistic phase done clear
  C)
   is currently exponential   done clear
  D)
   has reached carrying capacity done clear
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• question_answer7)
  The term 'precipitation' includes
  A)
   Rain done clear
  B)
   Hails done clear
  C)
   Snow done clear
  D)
   All forms of water that fall to the ground   done clear
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• question_answer8)
  Interactions in which the consumer lives within the host and does slow damage to the host are referred to as
  A)
   commensalism               done clear
  B)
   parasitism   done clear
  C)
   mutualism            done clear
  D)
          competition done clear
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• question_answer9)
  An assocation between two individuals or population where both the benefitted and where neither can survive without the other is
  A)
   Commensalism              done clear
  B)
   Amensalism done clear
  C)
   Proto-cooperation done clear
  D)
          Mutualism   done clear
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• question_answer10)
  Which most often limits the primary productivity of the ecosystem?
  A)
   Solar radiation/light          done clear
  B)
   Oxygen done clear
  C)
   Consumers          done clear
  D)
         Nitrogen done clear
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• question_answer11)
  Which of the following is the most stable ecosystem?
  A)
   Mountain                      done clear
  B)
   Desert done clear
  C)
   Forest               done clear
  D)
          Ocean   done clear
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• question_answer12)
  Energy flow in an ecosystem is
  A)
   unidirectional                   done clear
  B)
   bidirectional done clear
  C)
   multidirectional    done clear
  D)
          All of these done clear
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• question_answer13)
  Which one is nature's cleaner?
  A)
   Consumers done clear
  B)
   Producers done clear
  C)
   Decomposers and scavengers   done clear
  D)
   Symbionts done clear
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• question_answer14)
   Who is referred to as the farmer's friend?
  A)
   Ant                 done clear
  B)
   Sparrow done clear
  C)
   Earthworm             done clear
  D)
          Rabbit done clear
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• question_answer15)
  How much portion of the PAR is captured by the plants?
  A)
   5-10%              done clear
  B)
   7-10% done clear
  C)
   8-10%            done clear
  D)
          2-10%   done clear
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• question_answer16)
  The animals which occupy the same trophic level are
  A)
   Lion & Bees done clear
  B)
   Deer & Bees done clear
  C)
   Snakes & Earthworm done clear
  D)
   Crow & Cow   done clear
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• question_answer17)
  In simple ecosystem with grass, deer and tiger in food chain, how much amount of food available to the tiger if the grass production is one tonne?
  A)
   100 kg                          done clear
  B)
   10 kg   done clear
  C)
   1 kg                 done clear
  D)
          100 gm done clear
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• question_answer18)
  In a food chain herbivores/deer are
  A)
   Primary producers          done clear
  B)
   Primary consumers   done clear
  C)
   Secondary consumers done clear
  D)
   Decomposers done clear
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• question_answer19)
  10% law of flow of energy in ecosystem was proposed by
  A)
   Lindeman                       done clear
  B)
   Carl Mobius done clear
  C)
   Tansley             done clear
  D)
          Darwin done clear
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• question_answer20)
  More than 70% of world's freshwater is contained in
  A)
   polarice   done clear
  B)
   glaciers and mountains done clear
  C)
   Antarctica done clear
  D)
   Greenland done clear
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• question_answer21)
  Which one of the following animals may occupy more than one trophic levels in the same ecosystem at the same time?
  A)
   Sparrow                          done clear
  B)
   Lion done clear
  C)
   Goat                done clear
  D)
          Frog done clear
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• question_answer22)
  Which one of the following is not a gaseous biogeochemical cycle in ecosystem?
  A)
   Sulphur cycle                done clear
  B)
   Phosphorus cycle   done clear
  C)
   Nitrogen cycle                done clear
  D)
   Carbon cycle done clear
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• question_answer23)
  Which of the following animal has become almost extinct in India?
  A)
   Wolf          done clear
  B)
          Rhinoceros done clear
  C)
   Hippopotamus     done clear
  D)
          Cheetah   done clear
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• question_answer24)
  Diversity of habitat over the total landscape is called
  A)
   \[\beta \] diversity                       done clear
  B)
   \[\gamma \]diveristy (gamma)   done clear
  C)
   landscape diversity         done clear
  D)
   ecosystem diversity done clear
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• question_answer25)
  Habitat loss and fragmentation, over exploitation, alien species invasion and co-extinction are causes for
  A)
   Population explosion      done clear
  B)
   Migration done clear
  C)
   Biodiversity loss               done clear
  D)
   Pollution done clear
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• question_answer26)
  Which Biosphere reserve known as "Valley of Flower"?
  A)
   Nilgiri                 done clear
  B)
   Sunderbans done clear
  C)
   Uttarakhand         done clear
  D)
          Nokrek done clear
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• question_answer27)
  Plant genes of endangered species are stored in
  A)
   gene library                   done clear
  B)
   gene bank   done clear
  C)
   herbarium            done clear
  D)
          None of these done clear
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• question_answer28)
  Which National park is the new home of the Indian one-horned rhinoceros?
  A)
   Dudhwa                          done clear
  B)
   Jim Corbett done clear
  C)
   Kanha              done clear
  D)
          Bandhavgarh done clear
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• question_answer29)
  'Project Tiger' in India was started in
  A)
   1970                            done clear
  B)
   1972   done clear
  C)
   1981                  done clear
  D)
          1985 done clear
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• question_answer30)
  Which one of the following is an example of Ex-situ conservation?
  A)
   Wildlife sanctuary          done clear
  B)
   Seed bank   done clear
  C)
   Sacred groves      done clear
  D)
          National park done clear
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• question_answer31)
  Which one of the following areas in India, is a hot spot of biodiversity?
  A)
   Eastern Ghats                done clear
  B)
   Gangetic Plain done clear
  C)
   Sunderbans         done clear
  D)
         Western Ghats   done clear
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• question_answer32)
  Noise pollution is created if noise is in excess to -
  A)
   70-75 dB                      done clear
  B)
   50-60 dB done clear
  C)
   80-99 dB               done clear
  D)
         40-65 dB done clear
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• question_answer33)
  Which of the following is most harmful pollutant?
  A)
   \[N{{O}_{2}}\]                        done clear
  B)
   \[C{{O}_{2}}\] done clear
  C)
   \[S{{O}_{2}}\]                  done clear
  D)
          \[CO\] done clear
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• question_answer34)
  Volcano is _________ source of pollution.
  A)
   artificial                        done clear
  B)
   natural   done clear
  C)
   Both [a] and [b] done clear
  D)
   man-made done clear
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• question_answer35)
  Ozone layer is formed in which zone of atmosphere
  A)
   Mesosphere                   done clear
  B)
   Stratosphere   done clear
  C)
   Troposphere        done clear
  D)
         Ionosphere done clear
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• question_answer36)
  Today the concentration of green-house gases is very high because of
  A)
   use of refrigerator done clear
  B)
   increased combustion of oils and coal done clear
  C)
   deforestation done clear
  D)
   All of the above   done clear
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• question_answer37)
  Greenhouse gases include
  A)
   \[C{{O}_{2}},CFC,C{{H}_{4}}\]and \[N{{O}_{2}}\]   done clear
  B)
   \[C{{O}_{2}},{{O}_{2}},{{N}_{2}},N{{O}_{2}}\]and \[N{{H}_{3}}\] done clear
  C)
   \[C{{H}_{4}},{{N}_{2}},C{{O}_{2}}\]and \[N{{H}_{3}}\] done clear
  D)
   \[CFC,C{{O}_{2}},N{{H}_{3}}\]and\[{{N}_{2}}\] done clear
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• question_answer38)
  Acid rain is caused due to increase in concentration of (in atmosphere)
  A)
   \[S{{O}_{2}}\], and \[N{{O}_{2}}\]                    done clear
  B)
   \[CO\] and \[C{{O}_{2}}\] done clear
  C)
   \[CO\]and \[S{{O}_{3}}\]      done clear
  D)
          \[{{O}_{3}}\] and dust done clear
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• question_answer39)
  Deforestation causes
  A)
   soil erosion done clear
  B)
   loss of biodiversity done clear
  C)
   disturbance in hydrological cycle done clear
  D)
   All of the above   done clear
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• question_answer40)
  Which constituent of the atmosphere is likely to change if the forest cover is removed?
  A)
   \[{{O}_{2}}\] level is increased done clear
  B)
   \[C{{O}_{2}}\] level is increased   done clear
  C)
   \[{{O}_{2}}\] level is significantly increases done clear
  D)
   \[C{{O}_{2}}\] level is significantly decreased done clear
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