5th Class Science Our Environment Question Bank

done Our Environment and Natural Calamities Total Questions - 40

• question_answer1)
  ____ is a colourless and odourless gas which is used in making light bulbs.
  A)
  Air                                done clear
  B)
  Oxygen done clear
  C)
  Argon done clear
  D)
  Hydrogen done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer2)
  Which among the following is not a layer of the atmosphere?
  A)
  Exosphere                      done clear
  B)
  Lithosphere done clear
  C)
  Mesosphere                    done clear
  D)
  Troposphere done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer3)
  In which layer of atmosphere most of the ozone is present, which protects us from harmful UV radiations of sun?
  A)
  Mesosphere                    done clear
  B)
  Troposphere done clear
  C)
  Stratosphere done clear
  D)
  Thermosphere done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer4)
  Which among the following is not a property of air?
  A)
  Air exerts pressure. done clear
  B)
  Air has weight. done clear
  C)
  Air is biotic component of environment. done clear
  D)
  Air occupies space. done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer5)
  ___ holds the layer of air around the earth.
  A)
  Friction              done clear
  B)
  Electricity done clear
  C)
  Gravity  done clear
  D)
  Ultraviolet rays done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer6)
  Which among the following is not a process of removing insoluble impurities from water?
  A)
  Filtration                        done clear
  B)
  Sedimentation done clear
  C)
  Evaporation                   done clear
  D)
  Decantation done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer7)
  A process, in which alum is added to muddy water to separate suspended din particles.
  A)
  Unloading                      done clear
  B)
  Loading    done clear
  C)
  Evaporation       done clear
  D)
  Filtration        done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer8)
  ??? Crystals are used to kill germs present in water.
  A)
  Ammonia done clear
  B)
  (b)Potassium permanganate done clear
  C)
  Sugar done clear
  D)
  Calcium done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer9)
  Name the process in which clean water is poured into another container without disturbing the sediments.
  A)
  Sedimentation    done clear
  B)
  Decantation done clear
  C)
  Evaporation                   done clear
  D)
  Filtration done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer10)
  Which among the following is incorrect for the nitrogen gas?
  A)
  Nitrogen constitutes about 78% of air. done clear
  B)
  Nitrogen is used in fertilizers. done clear
  C)
  Nitrogen is used in burning process. done clear
  D)
  Nitrogen is used by plants with the help of bacteria.               done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer11)
  Humidity means amount of ____ in the air.
  A)
  Snow                done clear
  B)
  Hail done clear
  C)
  Water vapour     done clear
  D)
         Cloud done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer12)
  Which among the following involves chemical treatment for water purification?
  A)
  Sedimentation    done clear
  B)
  Decantation done clear
  C)
  Filtration                        done clear
  D)
  Chlorination done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer13)
  Name the low-lying areas that is filled by solid waste material.
  A)
  Biogas               done clear
  B)
  Green house done clear
  C)
  Sanitary landfill done clear
  D)
         Compost pit done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer14)
  Which among the following is a green house gas?
  A)
  Carbon dioxide   done clear
  B)
  Nitrous oxide done clear
  C)
  Methane                        done clear
  D)
  All the above done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer15)
  IS, Bronchitis is caused by;
  A)
  Air pollution done clear
  B)
  Soil pollution done clear
  C)
  Water pollution done clear
  D)
         Noise pollution done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer16)
  ____ is used in refrigerators, air conditioners and in many other industrial processes.
  A)
  Carbon dioxide   done clear
  B)
  Carbon monoxide done clear
  C)
  Chlorofluorocarbon         done clear
  D)
  Methane done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer17)
  Soluble impurities can be removed by which of the following processes?
  A)
  Evaporation                   done clear
  B)
  Distillation done clear
  C)
  Filtration                        done clear
  D)
  Both [a] and [b] done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer18)
  Name the gas released by grass-eating animals as their waste product.
  A)
  Ozone               done clear
  B)
  Methane done clear
  C)
  Chlorofluorocarbon         done clear
  D)
  All the above done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer19)
  Which among the following is caused by polluted water?
  A)
  Cholera     done clear
  B)
                     Typhoid    done clear
  C)
  Dysentery                      done clear
  D)
  All the above done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer20)
  Which among the following is an effect of global warming?
  A)
  Melting of polar ice caps. done clear
  B)
  Rise in water levels of oceans. done clear
  C)
  Flooding of places near the sea.    done clear
  D)
  All the above done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer21)
  A person who studies earthquakes is called:
  A)
  Physicist            done clear
  B)
         Seismologist done clear
  C)
  Archaeologist      done clear
  D)
         Sociologist done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer22)
  ____ is an opening in earth's surface which allows hot molten rock to escape.
  A)
  Earthquake                    done clear
  B)
  Tsunami    done clear
  C)
  Volcano      done clear
  D)
  Drought done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer23)
  Strong vibration on the surface of earth are also known as:
  A)
  Tsunami                        done clear
  B)
  Cyclone    done clear
  C)
  Typhoon                        done clear
  D)
  Earthquake done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer24)
  The waves generated by earthquake are detected with the help of:
  A)
  Bar graph                      done clear
  B)
  Line graph done clear
  C)
  Seismograph      done clear
  D)
  Flow chart done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer25)
  Which area will be more prone to cyclone?
  A)
  Desert area                     done clear
  B)
  Coastal area done clear
  C)
  Barren area done clear
  D)
  All the above done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer26)
  Barren island is which type of volcano?
  A)
  Dormant volcano            done clear
  B)
  Active volcano done clear
  C)
  Extinct volcano done clear
  D)
         Not a volcano done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer27)
  Which among the following is not a part of a volcano?              
  A)
  Crater                done clear
  B)
  Vent       done clear
  C)
  Lava                             done clear
  D)
  Tidal wave   done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer28)
  The study of earthquakes is called _______.
  A)
  Ornithology                    done clear
  B)
  Sociology done clear
  C)
  Seismology        done clear
  D)
  Geology done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer29)
  Name the vertical tunnel through which magma rushes upwards in a volcano.
  A)
  Vent                              done clear
  B)
  Crater done clear
  C)
  Magma                  done clear
  D)
       Tremor done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer30)
  Dormant volcano are volcanoes:
  A)
  Which have not erupted for several years but could erupt in the future. done clear
  B)
  Which are not expected to erupt in the future. done clear
  C)
  Which may erupt at any time. done clear
  D)
  All the above done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer31)
  Which one of the following are the causes of drought?
  A)
  Less rainfall done clear
  B)
  High temperature done clear
  C)
  Dry winds done clear
  D)
  All the above done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer32)
  Hot magma when reaches on earth's surface is known as:
  A)
  Crater                done clear
  B)
  Cyclone done clear
  C)
  Lava            done clear
  D)
     Vent done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer33)
  The point on the earth s surface which is above the point where an earthquake originates.
  A)
  Crater                done clear
  B)
  Focus done clear
  C)
  Epicentre           done clear
  D)
  Horizon done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer34)
  ?????? is a natural disaster caused by undersea earthquakes.
  A)
  Earthquake                    done clear
  B)
  Drought done clear
  C)
  Tsunami            done clear
  D)
  Volcano done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer35)
  Match the following:

  Column A	Column B
  i. Dormant volcano	A. Zuidwal volcano
  ii. Extinct volcano	B. Harbour wave
  iii. Active volcano	C. Mount erebus
  iv. Tsunami	D. Mount Kilimanjaro

  A)
  (i-D), (ii-C), (iii-B), (iv-A) done clear
  B)
  (i-C), (ii-A), (iii-D), (iv-B) done clear
  C)
  (i-D), (ii-A), (iii-C), (iv-B) done clear
  D)
  (i-B), (ii-D), (iii-A), (iv-C) done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer36)
  Which among the following diseases can be caused due to effects of floods?
  A)
  Cholera             done clear
  B)
  Malaria done clear
  C)
  Typhoid             done clear
  D)
  All the above done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer37)
  Which among the following crops can be grown in area having less rainfall1
  A)
  Sorghum                        done clear
  B)
  Millets done clear
  C)
  Maize                done clear
  D)
  All the above done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer38)
  Name the smaller quakes which continue after first big earthquake.
  A)
  Focus                done clear
  B)
  Aftershocks done clear
  C)
  Epicentre                       done clear
  D)
  Postquakes done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer39)
  Which among the following statements is not correct?
  A)
  Natural disasters cause great loss of life and property. done clear
  B)
  Tsunami occurs mostly near a desert area. done clear
  C)
  Floods are mostly occur at river banks areas. done clear
  D)
  All the above done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer40)
  Olympus Mons is a:
  A)
  Tsunami                        done clear
  B)
  Cyclone done clear
  C)
  Volcanic mountain          done clear
  D)
  Flood done clear
  E)
  None of these done clear
  View Solution play_arrow