7th Class Science Sample Paper

done Science Sample Paper - 10 Total Questions - 37    [Download]

• question_answer1)

  Choose the correct option:

  (i) Which one is a physical change?

  A)
  Melting of ice                 
  done clear
  B)
  Melting of wax
  done clear
  C)
  Formation of steam from water
  done clear
  D)
  All of these
  done clear
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• question_answer2)

  Choose the correct option:

  (ii) Which option best describe a tropical system?

  A)
  hot and humid    
  done clear
  B)
  moderate temperature, heavy rainfall
  done clear
  C)
  cold and humid            
  done clear
  D)
  hot and dry
  done clear
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• question_answer3)

  Choose the correct option:

  (iii) The atmospheric pressure is measured by:

  A)
  Anemometer                             
  done clear
  B)
  Voltmeter
  done clear
  C)
  Barometer   
  done clear
  D)
  Thermometer
  done clear
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• question_answer4)

  Choose the correct option:

  (iv) Which physical property of soil is important to us?

  A)
  Texture                      
  done clear
  B)
  Water holding capacity
  done clear
  C)
  Both                
  done clear
  D)
  None
  done clear
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• question_answer5)

  Choose the correct option:

  (v) In cockroaches, air enters the body through:

  A)
  lungs                                        
  done clear
  B)
  gills
  done clear
  C)
  spiracles    
  done clear
  D)
  Skin
  done clear
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• question_answer6)

  Choose the correct option:

  (vi) Aquatic animals like fish excrete their wastes in gaseous form as

  A)
  Oxygen                                    
  done clear
  B)
  Hydrogen
  done clear
  C)
  Ammonia    
  done clear
  D)
  Nitrogen
  done clear
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• question_answer7)

  Choose the correct option:

  (vii) Coconut is disposed by:

  A)
  Water     
  done clear
  B)
  Animals
  done clear
  C)
  Wind                                        
  done clear
  D)
  All of these
  done clear
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• question_answer8)

  Choose the correct option:

  (viii) A bus travels 54 km in 90 minutes. The speed of the bus is:

  A)
  0.6 m/s                                     
  done clear
  B)
  10 m/s
  done clear
  C)
  5.4 m/s                                     
  done clear
  D)
  3.6 m/s
  done clear
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• question_answer9)

  Choose the correct option:

  (ix) Which one depends only on the heating effect of current?

  A)
  Hairdryer        
  done clear
  B)
  Room heater
  done clear
  C)
  CFL                                         
  done clear
  D)
  Electric bulb
  done clear
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• question_answer10)

  Choose the correct option:

  (x) The image formed in a convex mirror is always:

  A)
  smaller        
  done clear
  B)
  larger
  done clear
  C)
  of same length               
  done clear
  D)
  Depends on distance of object
  done clear
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• question_answer11)
  (i)         In which form do plants use nitrogen?
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• question_answer12)
  (ii)        What is the source of Angora wool?
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• question_answer13)
  (iii) What are acids?
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• question_answer14)
     (iv) What is soil?
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• question_answer15)
  (v) Why do all living organisms respire?
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• question_answer16)
  (vi) What are pollutants?
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• question_answer17)
  Name the various digestive organs of human.
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• question_answer18)
  Write a note on Sorter's disease.
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• question_answer19)
  Give a make-up of clinical thermometer.
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• question_answer20)
  What do you mean by weather?
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• question_answer21)
  What is sand clock?
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• question_answer22)
  Give two uses of a concave mirror.
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• question_answer23)
  Why are forests called green lungs?
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• question_answer24)
  What happens with the carbohydrates like starch in our body which are taken by us?
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• question_answer25)
  What do you mean by soil treatment?
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• question_answer26)
  State the differences between physical and chemical changes.
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• question_answer27)
  What would have been the effect, if no platelets were in our blood?
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• question_answer28)

  Write how the following seeds are dispersed:

  (a) Seeds with wings.

  (b) Small and light seeds.

  (c) Seeds with spines/hooks.

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• question_answer29)
  What were the definitions of a day, a month and a year for our ancestors?
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• question_answer30)
  What happens when a compass needle is brought near to a current carrying wire?
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• question_answer31)
  Complete the given table:

  Form of water	Process by which formed	Location where found
  (i) Liquid
  (ii) Solid
  (iii) Gaseous

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• question_answer32)
  Write the importance of forests.
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• question_answer33)
  What do you mean by water cleaning?
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• question_answer34)
  Compare the burning characteristics of cotton, nylon, silk and wool.
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• question_answer35)
  Differentiate between heat & temperature.
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• question_answer36)
  Explain that \[C{{O}_{2}}\] is an acidic oxide with the help of an activity.
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• question_answer37)
  Describe various house-keeping practices for efficient working of sewage system.
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