7th Class Science Sample Paper

done Science Sample Paper - 7 Total Questions - 37    [Download]

• question_answer1)

  Choose the correct option:

  (i) Lactic acid is found in:

  A)
  Apple                           
  done clear
  B)
  Curd
  done clear
  C)
  Tea                                          
  done clear
  D)
  Vinegar
  done clear
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• question_answer2)

  Choose the correct option:

  (ii) Galvanisation is a process used to prevent the rusting of which of the following?

  A)
  Iron        
  done clear
  B)
  Zinc
  done clear
  C)
  Aluminium                                
  done clear
  D)
  Copper
  done clear
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• question_answer3)

  Choose the correct option:

  (iii) Humidity in air is generally high in:

  A)
  Winter                          
  done clear
  B)
  Monsoon
  done clear
  C)
  Summer                                   
  done clear
  D)
  All of these
  done clear
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• question_answer4)

  Choose the correct option:

  (iv) Which of the following place is most likely to be affected by a cyclone?

  A)
  Mumbai                                    
  done clear
  B)
  Puri
  done clear
  C)
  Goa                                         
  done clear
  D)
  Porbandar
  done clear
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• question_answer5)

  Choose the correct option:

  (v) The water holding capacity is the least in:

  A)
  Sandy soil   
  done clear
  B)
  Clayey soil
  done clear
  C)
  Loamy soil                    
  done clear
  D)
  Mixture of loam & sand
  done clear
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• question_answer6)

  Choose the correct option:

  (vi) Breathing is a process that:

  A)
  provide \[{{O}_{2}}\] to the body
  done clear
  B)
  breaks down food to release energy
  done clear
  C)
  helps the body to get rid of \[C{{O}_{2}}\]
  done clear
  D)
  produces water in the cells
  done clear
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• question_answer7)

  Choose the correct option:

  (vii) Which controls blood circulation?

  A)
  Lungs                           
  done clear
  B)
  Kidney
  done clear
  C)
  Heart           
  done clear
  D)
  Liver
  done clear
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• question_answer8)

  Choose the correct option:

  (viii) Seed dispersal helps the plant to:

  A)
  Prevent overcrowding      
  done clear
  B)
  Avoid competition
  done clear
  C)
  Invade new habitats     
  done clear
  D)
  All of these
  done clear
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• question_answer9)

  Choose the correct option:

  (ix) The correct symbol to represent the speed of an object is:

  A)
  \[m/s\]      
  done clear
  B)
  \[mp\]
  done clear
  C)
  \[am/{{s}^{1}}\]                                
  done clear
  D)
  \[s/m\]
  done clear
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• question_answer10)

  Choose the correct option:

  (x) The amount of heat produced in a wire depends on:

  A)
  Kind of materials           
  done clear
  B)
  Thickness of material
  done clear
  C)
  Resistance of material        
  done clear
  D)
  All of above
  done clear
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• question_answer11)
  Very Short Answer Type Questions  (i) What is the mode of nutrition in plants?
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• question_answer12)
  (ii) What is heat?
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• question_answer13)
  (iii) What is the role of plants in the formation of soil?
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• question_answer14)
  (iv) Write the respiratory organs in frog and earthworm.
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• question_answer15)
  (v) Which day is celebrated as the World Water Day?
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• question_answer16)
  (vi) What is the function of a skimmer in a water treatment plant?
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• question_answer17)
  Short Answer Type Questions-I Why can?t cotton garment keep us as warm as a woollen sweater?
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• question_answer18)
  How are the lower and upper scale of a thermometer fixed?
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• question_answer19)
  How will you treat a person suffering from ant sting and wasp sting?
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• question_answer20)
  What is the importance of breathing?
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• question_answer21)
  What is the fate of ovary and ovule after pollination and fertilization in a flower?
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• question_answer22)
  What are spherical mirrors? Give their types?
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• question_answer23)
  Why is water called a unique substance?
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• question_answer24)
  Short Answer Type Questions-II Write the three components secreted by the inner wall of the stomach and their functions.
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• question_answer25)
  What are the three grades of the silk produced?
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• question_answer26)
  Describe the mode of heat transfer in water or gases.
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• question_answer27)
  Describe the process of neutralization with the help of an example.
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• question_answer28)
  Describe the function of blood.
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• question_answer29)
  Draw a diagram of pistil to show pollen grain, pollen tube, ovary and ovule.
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• question_answer30)

  (i) How is the electric appliance, if earthed, safe?

  (ii) What determines the thickness of the main live wire in your household?

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• question_answer31)
  Explain the factors responsible for the depletion of water table.
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• question_answer32)
  ?Forest is a dynamic living entity?. Justify this statement.
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• question_answer33)
  What are the different types of inorganic and organic impurities generally present in sewage?
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• question_answer34)
  Long Answer Type Questions Explain two neutralization reactions related to the daily life situation.
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• question_answer35)
  What is meant by migration of birds? How is it regulated?
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• question_answer36)
  Describe an activity to demonstrate that warm air is lighter than cool air.
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• question_answer37)
  Describe steps to draw a graph using the data given in the following table:

  S. No.	Time (minutes)	Distance (km)
  (i)	0	0
  (ii)	5	6.6
  (iii)	15	20
  (iv)	30	40
  (v)	45	60
  (vi)	60	80

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