6th Class Science Water Question Bank

done Water Total Questions - 45

• question_answer1)
  What is the main source of water for inland lakes?
  A)
   Snow        done clear
  B)
   Sea water done clear
  C)
   Ground water done clear
  D)
   Springs done clear
  View Solution play_arrow

• question_answer2)
  Identify the source of ground water.
  A)
   Sub-soil water done clear
  B)
   River water done clear
  C)
   Rainwater    done clear
  D)
   All of the above done clear
  View Solution play_arrow

• question_answer3)
  Which of the following are changed when water boils?

  (i) Temperature

  (ii) State

  (iii) Colour

  A)
   Only (i) and (ii) done clear
  B)
   Only (ii) and (iii) done clear
  C)
   Only (i) and (iii) done clear
  D)
   (i), (ii) and (iii) done clear
  View Solution play_arrow

• question_answer4)
  Clouds are formed due to
  A)
   only evaporation. done clear
  B)
   only condensation. done clear
  C)
   both evaporation and condensation. done clear
  D)
   only vaporization. done clear
  View Solution play_arrow

• question_answer5)
  Mrs. Uma has put a wet cloth to dry as shown below. Which part of the towel will dry faster?
  A)
   X                                            done clear
  B)
   Y                             done clear
  C)
          Z                             done clear
  D)
          Either X or Y done clear
  View Solution play_arrow

• question_answer6)
  In a small town, the number of water pumps, concrete houses and roads increased. What happens to the water table of that place?
  A)
   It becomes lower done clear
  B)
   It becomes higher done clear
  C)
   It remains unaffected done clear
  D)
   It first becomes lower and then higher. done clear
  View Solution play_arrow

• question_answer7)
  Cloud seeding is a technique that induces rain. What does the process involve?
  A)
   Adopting an agricultural practice that depends on clouds done clear
  B)
   Introducing particles in clouds to facilitate condensation done clear
  C)
   Making clouds and placing them in the sky done clear
  D)
   Scattering clouds to form seed like structures                            done clear
  View Solution play_arrow

• question_answer8)
  Given in the figure are four containers that contain the same amount of water.    In which of the following containers will water evaporate the slowest?
  A)
   Q                                            done clear
  B)
   R                            done clear
  C)
   P                            done clear
  D)
          S done clear
  View Solution play_arrow

• question_answer9)
  Which of the following is the primary source of water on land?
  A)
   Lakes                    done clear
  B)
   Tanks   done clear
  C)
          Ponds                  done clear
  D)
          Rain water done clear
  View Solution play_arrow

• question_answer10)
  Which of the following is potable water?
  A)
   A glass of water fit for drinking done clear
  B)
   Water in a pot done clear
  C)
   Sea water done clear
  D)
   Water with bacteria and chemicals done clear
  View Solution play_arrow

• question_answer11)
  In early winter mornings, we can see drops of water on the grass. This is because of
  A)
   photosynthesis. done clear
  B)
   transpiration. done clear
  C)
   condensation. done clear
  D)
   water cycle. done clear
  View Solution play_arrow

• question_answer12)
  Why is water useful to life on the earth?

  (i) It maintains ecological balance.

  (ii) It sustains life.

  (iii) It is necessary for respiration in aquatic organisms.

  A)
   Only (i) and (ii) done clear
  B)
   Only (ii) and (iii) done clear
  C)
       Only (i) and (iii) done clear
  D)
   (i), (ii) and (iii) done clear
  View Solution play_arrow

• question_answer13)
  Which of the following statements is true?
  A)
   The salinity of sea increases tremendously in a short time. done clear
  B)
   The salinity of rivers decreases with time. done clear
  C)
   The salinity of seas increases with time. done clear
  D)
   The salinity of seas remains constant with time. done clear
  View Solution play_arrow

• question_answer14)
  Rain water harvesting is a method employed to
  A)
   stop soil erosion in a place. done clear
  B)
   raise the water table of a place. done clear
  C)
   decrease drought at a place. done clear
  D)
   decrease floods at a place. done clear
  View Solution play_arrow

• question_answer15)
  Ground water gets recharged by the Mr process of
  A)
   aquification.   done clear
  B)
   transpiration. done clear
  C)
   infiltration.    done clear
  D)
   transportation. done clear
  View Solution play_arrow

• question_answer16)
  A Observe the figure given below and identify the process.
  A)
   Water cycle done clear
  B)
   Torrential rain causing floods done clear
  C)
   Soil erosion done clear
  D)
   Rain water harvesting done clear
  View Solution play_arrow

• question_answer17)
  Why do you feel cool after you start sweating?
  A)
   Evaporation of water droplets done clear
  B)
   Condensation of water droplets done clear
  C)
   Freezing of water droplets done clear
  D)
   Solidification of salts in the water droplets done clear
  View Solution play_arrow

• question_answer18)
  What causes the formation of salt from sea water?
  A)
   Evaporation   done clear
  B)
   Condensation done clear
  C)
   Transpiration done clear
  D)
   Transformation done clear
  View Solution play_arrow

• question_answer19)
  Why does the water table of a place become lower?
  A)
   When trees are planted done clear
  B)
   When there is a drought done clear
  C)
   When there is a cyclone and flood done clear
  D)
   All of the above done clear
  View Solution play_arrow

• question_answer20)
  Why is water scarcity increasing day by day?
  A)
   Water cycle has stopped functioning. done clear
  B)
   The total amount of water on earth has decreased. done clear
  C)
   The consumption of water has increased. done clear
  D)
   There is an increasing frequency of floods. done clear
  View Solution play_arrow

• question_answer21)
  Which of the following is polluted by man or factories?
  A)
   Ponds        done clear
  B)
   Rivers done clear
  C)
   Ground water done clear
  D)
   All of the above done clear
  View Solution play_arrow

• question_answer22)
  Which of the following will be an advantage of inter-linking rivers in India?
  A)
   Lot of people will gain employment. done clear
  B)
   Floods will take place uniformly throughout the country. done clear
  C)
   Water will be distributed uniformly. done clear
  D)
   India will become a technically advanced country. done clear
  View Solution play_arrow

• question_answer23)
  X is a process by which plants lose water. What is X?
  A)
   Evaporation   done clear
  B)
   Transpiration done clear
  C)
   Condensation done clear
  D)
   Translocation done clear
  View Solution play_arrow

• question_answer24)
  Observe the given figure. Which of the following processes is responsible for the formation of water droplets outside the glass?
  A)
   Evaporation   done clear
  B)
   Cooling done clear
  C)
   Condensation done clear
  D)
   Transpiration done clear
  View Solution play_arrow

• question_answer25)
  Which of the following statements is incorrect?
  A)
   Water evaporates from plants, animals and oceans. done clear
  B)
   Animals living in water are not harmed during the floods. done clear
  C)
   Vegetation cannot thrive during droughts. done clear
  D)
   Water available for human use is very limited during floods. done clear
  View Solution play_arrow

• question_answer26)
  What is rain water harvesting?
  A)
   Storing ground water present in wells. done clear
  B)
   Stopping the cultivation of crops to save water done clear
  C)
   The seeping of water into the ground done clear
  D)
   Collecting rainwater and storing it for future use done clear
  View Solution play_arrow

• question_answer27)
  For which of the following purposes is saline water NOT used?

  (i) For washing clothes

  (ii) For drinking

  (iii) For agriculture

  A)
   Only (i) and (ii) done clear
  B)
   Only (ii) and (iii) done clear
  C)
   Only (i) and (iii) done clear
  D)
   (i), (ii) and (iii) done clear
  View Solution play_arrow

• question_answer28)
  Temporary hardness of water is due to the presence of
  A)
   calcium bicarbonate. done clear
  B)
   sodium carbonate. done clear
  C)
   potassium carbonate. done clear
  D)
   magnesium hydride. done clear
  View Solution play_arrow

• question_answer29)
  Water scarcity is a problem in our country. What are the ways by which we can conserve water?

  (i) Rain water harvesting

  (ii) Drip irrigation

  (iii) Deforestation

  A)
   Only (i) and (ii) done clear
  B)
   Only (ii) and (iii) done clear
  C)
   Only (i) and (iii) done clear
  D)
   (i), (ii) and (iii) done clear
  View Solution play_arrow

• question_answer30)
  A cloud is unable to hold droplets of water because
  A)
   they become heavier. done clear
  B)
   they become lighter. done clear
  C)
   they undergo condensation slowly. done clear
  D)
   they undergo sublimation. done clear
  View Solution play_arrow

• question_answer31)
  A girl saw a water puddle while going to school. In the evening, while returning home, she observed that the puddle disappeared. This was because
  A)
   the water evaporated. done clear
  B)
   the water seeped into the ground. done clear
  C)
   the water condensed. done clear
  D)
   Both (a) and (b) done clear
  View Solution play_arrow

• question_answer32)
  Observe the figure given below and identify the process.
  A)
   Water cycle done clear
  B)
   Water purification done clear
  C)
   Water condensation done clear
  D)
   Rain water harvesting done clear
  View Solution play_arrow

• question_answer33)
  Which of these occurs due to condensation?
  A)
   The drying of wet clothes. done clear
  B)
   Water drops appearing on the outer side of a cool water bottle. done clear
  C)
   Steam rising from wet clothes when they are ironed. done clear
  D)
   Black board gets dried after it is wiped with wet cloth. done clear
  View Solution play_arrow

• question_answer34)
  Aquatic animals and plants
  A)
   have special organs that store oxygen. done clear
  B)
   have to come out of water to breathe. done clear
  C)
   use the oxygen dissolved in water for respiration. done clear
  D)
   use oxygen present in the air. done clear
  View Solution play_arrow

• question_answer35)
  Human body contains water up to
  A)
   90%.                     done clear
  B)
          50%.     done clear
  C)
   70%.                     done clear
  D)
   80%. done clear
  View Solution play_arrow

• question_answer36)
  Which of the following substances contain water?                     

  (i) Milk

  (ii) Blood

  (iii) Oil

  (iv) Fruits

  A)
   Only (i), (ii) and (iv) done clear
  B)
   Only (i),(ii) and (iii) done clear
  C)
   Only (ii), (iii) and (iv) done clear
  D)
   Only (i), (iii) and (iv) done clear
  View Solution play_arrow

• question_answer37)
  Which of the following combines with water vapour or rain water to form acid rain?
  A)
   Dust         done clear
  B)
   Carbon particles done clear
  C)
   Oxygen       done clear
  D)
   Sulphur dioxide done clear
  View Solution play_arrow

• question_answer38)
  Most of the well water and spring water are replenished by
  A)
   dams.   done clear
  B)
          floods. done clear
  C)
   ground water. done clear
  D)
   all of the above done clear
  View Solution play_arrow

• question_answer39)
  Which of these constituents present in w air leads to the formation of fog and mist?
  A)
   Nitrogen                             done clear
  B)
   Oxygen               done clear
  C)
          Water vapour done clear
  D)
          Carbon dioxide done clear
  View Solution play_arrow

• question_answer40)
  The process of collecting rain water in huge, cemented pits is called
  A)
   storing of water.                   done clear
  B)
   filtration of water. done clear
  C)
   transportation of water. done clear
  D)
   rain water harvesting.              done clear
  View Solution play_arrow

• question_answer41)
  Which of the following will cause a decrease in the water table at a place in future?
  A)
   Lack of rain water harvesting infrastructure                            done clear
  B)
   Emmigration done clear
  C)
   Cloud seeding done clear
  D)
   Growing trees done clear
  View Solution play_arrow

• question_answer42)
  Water is
  A)
   an element. done clear
  B)
   a compound. done clear
  C)
   a mixture. done clear
  D)
   Both (a) and (c) done clear
  View Solution play_arrow

• question_answer43)
  Why is mineral water better than distilled water for drinking?
  A)
   Mineral water is cheap. done clear
  B)
   Mineral water is easily available. done clear
  C)
   Mineral water contains dissolved salts. done clear
  D)
   Mineral water is colorful. done clear
  View Solution play_arrow

• question_answer44)
  Soil erosion takes place due to
  A)
   floods. done clear
  B)
   drought. done clear
  C)
   transpiration. done clear
  D)
   All of the above. done clear
  View Solution play_arrow

• question_answer45)
  Which of the following causes water to change from one state to another?
  A)
   Pressure done clear
  B)
   Concentration done clear
  C)
   Temperature done clear
  D)
   Volume done clear
  View Solution play_arrow