3rd Class Science Our Body Question Bank

done Human Body Total Questions - 20

• question_answer1)
  Select the one that does not belong to that organ system to which the other three belong.
  A)
   Brain                          done clear
  B)
          Spinal cord                 done clear
  C)
          Nerves                        done clear
  D)
          Lungs              done clear
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• question_answer2)
  _______ is the only organ system that consists of different organs in a man and a woman.
  A)
   Nervous system                done clear
  B)
          Reproductive system done clear
  C)
          Circulatory system               done clear
  D)
          Respiratory system done clear
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• question_answer3)
  To break a glass tile by hands, one needs to use one's _______ system.
  A)
   Reproductive  done clear
  B)
          Skeletal                       done clear
  C)
          Muscular                 done clear
  D)
          Both (b) and (c) done clear
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• question_answer4)
  Select the INCORRECT match out of the following.
  A)
   Stomach - Digestive system      done clear
  B)
          Skull - Skeletal system done clear
  C)
          Backbone - Respiratory system   done clear
  D)
          Heart - Circulatory system done clear
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• question_answer5)
  Naveen fainted in school playground while playing. The doctor said that his brain did not get proper oxygen supply. It means that his ______ system may have a problem.
  A)
   Reproductive              done clear
  B)
          Circulatory                  done clear
  C)
          Skeletal                       done clear
  D)
          Excretory                    done clear
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• question_answer6)
  Riddhi ran to open the door when her father rang the bell. She used her sense of _____.
  A)
   Hearing                      done clear
  B)
          Seeing             done clear
  C)
                      Touching                    done clear
  D)
          Tasting                        done clear
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• question_answer7)
  Man! tried to pick the coffee mug but quickly pulled her hand back as the mug was hot. She used her sense of______.
  A)
   Hearing                      done clear
  B)
          Seeing             done clear
  C)
          Touching                    done clear
  D)
          Tasting            done clear
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• question_answer8)
  Look at the given classification table. Which of the following can 'X' be?
  A)
   Blood vessels  done clear
  B)
          Brain                      done clear
  C)
                                  Small intestine            done clear
  D)
          Backbone                          done clear
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• question_answer9)
  Match the columns and select the correct option.

  Column I	Column II
  (a) Excretory system	1. Kidney
  (b) Digestive system	2. Blood
  (c) Nervous system	3. Liver
  (d) Circulatory system	4. Brain
  (e) Skeletal system	5. Heart
  	6. Bones
  	7. Lungs

   
  A)
  (a)-2, (b)-3, (c)-4, (d)-5, (e)-6 done clear
  B)
  (a)-1, (b)-3, (c)-6, (d)-2, (e)-5 done clear
  C)
  (a)-3, (b)-6, (c)-4, (d)-5, (e)-2 done clear
  D)
  (a)-1, (b)-3, (c)-4, (d)-2, (e)-6 done clear
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• question_answer10)
  Select the INCORRECT option.
  A)
   Helps in producing babies - Reproductive system done clear
  B)
          Controls our actions - Nervous system done clear
  C)
          Provides oxygen to all parts of the body - Respiratory system done clear
  D)
          Removes wastes from the body - Excretory system done clear
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• question_answer11)
  Abhishek blew hard on a mirror surface. He observed that the mirror became misty because of tiny water droplets that formed on the mirror. What can he conclude from this activity?    
  A)
   Carbon dioxide is given off when we exhale,                 done clear
  B)
          Oxygen is given off when we exhale.                       done clear
  C)
          Water vapours are given off when we exhale.                done clear
  D)
          None of these done clear
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• question_answer12)
  Substances abundant in the dull, purplish red blood in the veins are _____.

  (a) Nutrients

  (b) Oxygen

  (c) Carbon dioxide

  (d) Waste materials

   
  A)
  (a) and (b) only            done clear
  B)
  (b) and (d) only                       done clear
  C)
  (a) and (c) only       done clear
  D)
  (c) and (d) only done clear
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• question_answer13)
  The given figure shows the human digestive system. In which labelled part food is both masticated and partially digested?
  A)
   P                                 done clear
  B)
          Q                    done clear
  C)
          R                                 done clear
  D)
          S done clear
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• question_answer14)
  Sameer uses dumbbell to exercise. Which body systems are involved in bending and straightening of the arm?        
  A)
   Muscular and Excretory systems done clear
  B)
          Digestive and Nervous systems    done clear
  C)
          Muscular and Skeletal systems   done clear
  D)
          Skeletal and Reproductive systems done clear
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• question_answer15)
  What happens when we touch a hot kettle?
  A)
   Skin\[\to \]Nerves\[\to \]Hand is pulled back done clear
  B)
          Skin\[\to \]Nerves\[\to \]Spinal cord\[\to \]Nerves\[\to \]Hand is pulled back done clear
  C)
          Skin\[\to \]Brain\[\to \]Nerves\[\to \]Hand is pulled back done clear
  D)
          None of these done clear
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• question_answer16)

  Study the given diagram,

  Which of the following represents the small intestine?

                  
  A)
  W                    done clear
  B)
  X                             done clear
  C)
  Y                     done clear
  D)
  Z done clear
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• question_answer17)
  Beena, Shalu and Navpreet wanted to find out who among them had the biggest lung capacity. They decided to blow into a balloon with one breath and see how big it will become. Which of the following factors they must keep the same to make the test a fair one?

  1. Colour and design pattern of the balloon

  2. Size and shape of the balloon

  3. When to breathe in forcibly before blowing

  4. Material, balloon is made of

   
  A)
  1 and 2 only    done clear
  B)
  2 and 3 only    done clear
  C)
  1, 3 and 4 only            done clear
  D)
  2, 3 and 4 only done clear
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• question_answer18)
  Read the given statements made by four students.

  Priya - I love the smell of wet soil after rains.

  Shruti - My hair feel so rough after using this new shampoo.

  Om - Watch out! You can slip on this banana peel.

  Sam - I just love the musical sound made by wind chymes hanging at the door of my living room. Now, select the correct option regarding this.

   
  A)
  Priya used the sense which helps us to choose a good perfume. done clear
  B)
  Shruti used the sense which helps us to identify a red and a blue object. done clear
  C)
  Om used the sense which helps us to respond to a phone's ring. done clear
  D)
  Sam used the sense which helps to differentiate between a hot and a cold coffee. done clear
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• question_answer19)
  The given picture shows two organ systems of our body, X and Y. Select the correct statement about these systems.
  A)
   System X helps in movement while system Y helps body to get rid of wastes. done clear
  B)
          System X and Y work together to help body to move. done clear
  C)
          System X supplies blood to different body parts while system Y helps to produce babies. done clear
  D)
          None of these done clear
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• question_answer20)
  Select the correct option regarding the organ system shown here.
  A)
   If part P is removed, food will not be masticated and absorbed. done clear
  B)
          If part Q is removed, water from food will not be absorbed. done clear
  C)
          If part R is removed, complete digestion of all food components will not take place. done clear
  D)
          None of these done clear
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