7th Class Science Sample Paper

done Science Sample Paper - 9 Total Questions - 37    [Download]

• question_answer1)

  Choose the correct option:

  (i) Common salt is:

  A)
  Acidic               
  done clear
  B)
  Basic             
  done clear
  C)
  Neutral            
  done clear
  D)
                     None
  done clear
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• question_answer2)

  Choose the correct option:

  (ii) What is the formula of rust?

  A)
  \[F{{e}_{3}}{{O}_{4}}\]          
  done clear
  B)
                     \[F{{e}_{2}}{{O}_{3}}\]     
  done clear
  C)
  \[FeO\]             
  done clear
  D)
                     None of these
  done clear
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• question_answer3)

  Choose the correct option:

  (iii) Maximum temperatures of the day occurs generally in:

  A)
  Afternoon    
  done clear
  B)
                     At sunrise        
  done clear
  C)
  At sunset          
  done clear
  D)
                     Evening
  done clear
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• question_answer4)

  Choose the correct option:

  (iv) Odissa was hit by a cyclone in the year:

  A)
  1989     
  done clear
  B)
         1999              
  done clear
  C)
  2001              
  done clear
  D)
                     2003
  done clear
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• question_answer5)

  Choose the correct option:

  (v) Which factor influence soil formation?

  A)
  Climate         
  done clear
  B)
                     Vegetation        
  done clear
  C)
  Parent rock        
  done clear
  D)
                     All of these
  done clear
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• question_answer6)

  Choose the correct option:

  (vi) During the process of exhalation, the ribs move:

  A)
  down & inwards 
  done clear
  B)
                     up & inwards
  done clear
  C)
  down & outwards
  done clear
  D)
                     up & outwards
  done clear
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• question_answer7)

  Choose the correct option:

  (vii) In plants, water is transported through:

  A)
  Xylem           
  done clear
  B)
                     Phloem           
  done clear
  C)
  Stomata           
  done clear
  D)
                     Root hair
  done clear
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• question_answer8)

  Choose the correct option:

  (viii) Which is not a part of pistil?

  A)
  Stigma             
  done clear
  B)
                     Style            
  done clear
  C)
  Filament          
  done clear
  D)
                     Ovary
  done clear
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• question_answer9)

  Choose the correct option:

  (ix) In a graph, on which axis is dependant variable shown?

  A)
  x       
  done clear
  B)
                                             y              
  done clear
  C)
  On any axis       
  done clear
  D)
                     Depends on data
  done clear
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• question_answer10)

  Choose the correct option:

  (x) Which mark is necessary on electric appliance?

  A)
  ISI            
  done clear
  B)
                     FICE 1          
  done clear
  C)
  AGMARK        
  done clear
  D)
                     KSK
  done clear
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• question_answer11)
  (i) What are Nutrients?
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• question_answer12)
  (ii) Name three modes of heat transfer.
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• question_answer13)
  (iii) What is electroplating?
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• question_answer14)
  (iv) How many layers are there in soil?
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• question_answer15)
  (v) What is the main role of blood in respiration?
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• question_answer16)
  (vi) Why are open drains a concern?
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• question_answer17)
  Describe food habit of sheep.
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• question_answer18)
  Why convection not possible in solids?
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• question_answer19)
  How are clouds formed? What is this change called? Explain.
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• question_answer20)
  Explain how soil is formed.
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• question_answer21)
  Explain two steps of breathing.
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• question_answer22)
  What is sewage?
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• question_answer23)
  Write three functions of tongue.
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• question_answer24)
  How is the mean temperature of a given month determined?
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• question_answer25)
  What is thunderstorm? How does it develop?
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• question_answer26)
  Describe the course of circulation of blood in our body with the help of a flow chart
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• question_answer27)
  What are electric fuses? Write their importance.
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• question_answer28)
  Explain the terms, autotrophs, heterotrophs and saprotrophs.
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• question_answer29)
  How does a vermin-composting toilet work?
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• question_answer30)
  What is carding of wool? How is woollen yarn obtained from carded wool?
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• question_answer31)
  How does heat travel in air? Give any two such instances.
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• question_answer32)
  Describe the process of neutralization with the help of an example.
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• question_answer33)
  How does the process of fertilisation take place in flowers?
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• question_answer34)
                                                              Explain the sea breeze and land breeze.
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• question_answer35)
  Explain the respiration system in cockroach.
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• question_answer36)

  (i) Define speed.

  (ii) The distance between Delhi and Agra is 270 km. A train takes 3 hours to cover the distance. Calculate the speed of train.

  (iii) Show the shape of distance-time graph for a vehicle moving with a constant speed

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• question_answer37)
  ?Forests are our lifeline?. Write five sentences on this topic.
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